C. Fischer

发表

Robust preconditioning of large, sparse, symmetric eigenvalue problems

Y. Saad, A. Stathopoulos, C. Fischer, 1995 .

A Davidson program for finding a few selected extreme eigenpairs of a large, sparse, real, symmetric matrix

A. Stathopoulos, C. Fischer, 1994 .

The differential analyzer

C. Fischer, 2003 .

Properties of Some Tridiagonal Matrices and Their Application to Boundary Value Problems

C. Fischer, R. Usmani, 1969 .

Breit-Pauli lifetimes and transition probabilities for Si I (7 pages)

C. Fischer, 2005 .

Allowed transitions and intercombination lines in B II

C. Fischer, A. Ynnerman, 1995 .

Lifetime of 2s2p23s3P in N II and other allowed triplet transitions

C. Fischer, 1994 .

Lifetime trends for the n=3 singlet states in the Mg sequence☆

C. Fischer, M. Godefroid, 1982 .

Short-range interactions involving plunging configurations of the n = 3 singlet complex in the Mg sequence

C. Fischer, M. Godefroid, 1982 .

Lifetimes of Low-Lying 2P0, 2D, and 2F0 States of the A1 I Isoelectronic Sequence

C. Fischer, 1981 .

Theoretical Energy Levels of F Rydberg Series for Mg I, AI II, and Sill1

C. Fischer, 1980 .

Ab initio MCDHF calculations of electron–nucleus interactions

I. P. Grant, C. Fischer, P. Pyykkö, 2015 .

Robust Preconditioning of Large , Sparse , Symmetric Eigenvalue

Y. Saad, C. Fischer, ProblemsAndreas, 1994 .

Extension of the HF program to partially filled f-subshells

C. Fischer, G. Gaigalas, 1996, physics/0406002.

Term dependence of Hartree-Fock results for some nln'l configurations

C. Fischer, 1972 .

MCHF calculations of isotope shifts and oscillator strengths for transitions between low-lying states in Be-like systems and neutral magnesium

C. Fischer, P. Jönsson, M. Godefroid, 1999 .

Oscillator strength calculations in neutral technetium

C. Fischer, M. Godefroid, J. Wyart, 2005 .

ANALYSIS OF BREIT–PAULI TRANSITION PROBABILITIES FOR LINES IN O iii

C. Fischer, R. Rubin, M. Rodŕıguez, 2009 .

Multiconfiguration Hartree-Fock calculations atomic properties for light atoms

C. Fischer, T. Brage, P. Jönsson, 1996 .

Core polarization in Ca I and Ca II

C. Fischer, A. Hibbert, T. Brage, 1993 .

Hyperfine-structure calculations of excited levels in neutral scandium

C. Fischer, M. Godefroid, J. Bieroń, 2002 .

Accurate spline solutions of the radial Dirac equation

C. Fischer, F. Parpia, 1993 .

Multiconfiguration Dirac–Hartree–Fock Calculations for Be-like Intercombination Lines Revisited

C. Fischer, 2000 .

On the status and perspectives of MCDF calculations and measurements of transition data in the Be isoelectronic sequence

C. Fischer, P. Jönsson, E. Träbert, 1998 .

A program to generate configuration-state lists

C. Fischer, Bin Liu, 1991 .

Mixed-valence state treatment for X-ray emission spectra of cuprate superconductors

C. Fischer, A. Bernotas, J. Kaniauskas, 1994 .

Multiconfiguration Dirac-Hartree-Fock energy levels and transition probabilities for W xxxviii

C. Fischer, G. Gaigalas, 2012 .

Core Effects on Transition Energies for 3dk Conﬁgurations in Tungsten Ions

C. Fischer, P. Jönsson, G. Gaigalas, 2017 .

A program for computing autoionization properties

C. Fischer, T. Brage, 1993 .

Breit–Pauli energy levels, lifetimes, and transition probabilities for the beryllium-like to neon-like sequences☆

C. Fischer, G. Tachiev, 2004 .

Some improved transition probabilities for neutral carbon

C. Fischer, 2006 .

A program to compute isotope shifts in atomic spectra

C. Fischer, N. Vaeck, L. Smentek-Mielczarek, 1993 .

Relativistic energy levels, lifetimes, and transition probabilities for the sodium-like to argon-like sequences

C. Fischer, A. Irimia, G. Tachiev, 2006 .

Multiconfiguration Hartree-Fock Breit-Pauli results for 2P1/2-2P3/2 transitions in the boron sequence

C. Fischer, 1983 .

Autoionization rates for core excited 5P states in Na

C. Fischer, M. Idrees, 1989 .

MCHF-BP fine-structure splittings and transition rates for the ground configuration in the nitrogen sequence

C. Fischer, M. Godefroid, 1984 .

Breit-Pauli energy levels, lifetimes, and transition data: beryllium-like spectra

C. Fischer, G. Tachiev, 1999 .

Breit-Pauli energy levels and transition rates for nitrogen-like and oxygen-like sequences

C. Fischer, G. Tachiev, 2002 .

Fine-structure splitting of some high-L, Rydberg states of helium

C. Fischer, M. Idrees, 1989 .

Variational Methods for Atoms and the Virial Theorem

C. Fischer, M. Godefroid, 2022, Atoms.

Physica Scripta . Vol . T 78 , 33 È 46 , 1998 Atomic Structure Variational Calculations in Spectroscopy

C. Fischer, M. Godefroid, 1999 .

Spin-other-orbit Operator in the Tensorial Form of Second Quantization

C. Fischer, Z. Rudzikas, G. Gaigalas, 1998, physics/0405092.

Spline methods for resonances in photoionisation cross sections

Charlotte Froese Fischer, C. Fischer, M. Idrees, 1990 .

Towards B-Spline Atomic Structure Calculations

C. Fischer, 2021, Atoms.

MCHF calculations of autoionization widths in two- and three-electron systems

C. Fischer, T. Brage, N. Vaeck, 1993 .

Photoionization of magnesium

C. Fischer, H. Saha, 1987 .

Low-lying /sup 1/D states of Be I

C. Fischer, 1984 .

Theoretical Oscillator Strengths for nP → nD Transitions in Mg

C. Fischer, 1975 .

Autodetachment of the nsnp2 4P1/2 states in negative ions

C. Fischer, T. Brage, G. Miecznik, 1992 .

Spline–Galerkin calculations for Rydberg series of calcium

C. Fischer, T. Brage, 1994 .

A configuration interaction program

C. Fischer, 1991 .

Allowed transitions and intercombination lines in C III and C II

C. Fischer, 1994 .

Transition probabilities in O III

C. Fischer, 1994 .

Convergence studies of MCHF calculations for Be and Li

C. Fischer, 1993 .

Ab initio calculations for intercombination and resonance lines in P II

C. Fischer, T. Brage, G. Merkelis, 1993 .

A program for computing magnetic dipole and electric quadrupole hyperfine constants from MCHF wavefunctions

C. Fischer, C. Wahlström, P. Jönsson, 1993 .

A general program for computing angular integrals of the Breit-Pauli Hamiltonian

C. Fischer, A. Hibbert, R. Glass, 1991 .

Non-orthogonal orbitals in MCHF or configuration interaction wave functions

C. Fischer, A. Hibbert, M. Godefroid, 1988 .

MCHF evaluation of the specific mass shift

C. Fischer, L. Smentek-Mielczarek, 1983 .

Oscillator strengths for 2S-2P transitions in the copper sequence

C. Fischer, 1977 .

Allowed and spin-forbidden electric dipole transitions in Ca I

C. Fischer, G. Tachiev, 2003 .

MCHF calculations for 1S and 1P Rydberg states in Ca I

C. Fischer, J. E. Hansen, 1985 .

An efficient approach for spin - angular integrations in atomic structure calculations

C. Fischer, Z. Rudzikas, G. Gaigalas, 1997, physics/0405101.

Evaluating the accuracy of theoretical transition data

C. Fischer, 2009 .

Oscillator strengths for transitions to high-lying excited states of carbon

C. Fischer, O. Zatsarinny, 2002 .

The use of basis splines and non-orthogonal orbitals in R-matrix calculations: application to Li photoionization

C. Fischer, O. Zatsarinny, 2000 .

Perturbers in the (2D)nd 3Po Rydberg series of sulphur

C. Fischer, 1987 .

Relativistic all-order and multiconfiguration Hartree-Fock calculations of the 4d-4f energy separation in Li I

C. Fischer, Y. Ralchenko, M. Safronova, 2007 .

BREIT–PAULI ENERGIES, TRANSITION PROBABILITIES, AND LIFETIMES FOR 2s, 2p, 3s, 3p, 3d, 4s2LLEVELS OF THE LITHIUM SEQUENCE,Z= 3–8

C. Fischer, M. Godefroid, G. Gaigalas, 1998 .

Multiconfiguration Dirac-Hartree-Fock Calculations with Spectroscopic Accuracy: Applications to Astrophysics

C. Fischer, T. Brage, P. Jönsson, 2017 .

Correlation effects on transition probabilities in Mo vi

C. Fischer, 2011 .

Towards accurate transition data for 3p2, 3p3, 3p4 levels of Fe, Co and Ni ions

C. Fischer, 2010 .

An efficient approach for spin - angular integrations in atomic structure calculations

C. Fischer, Z. Rudzikas, G. Gaigalas, 1997, physics/0405101.

A multi-configuration Hartree-Fock program

C. Fischer, 1984 .

Multi-configuration Hartree-Fock calculations and time-resolved laser spectroscopy studies of hyperfine structure constants in sodium

C. Fischer, P. Jönsson, J. Carlsson, 1992 .

Accurate oscillator strengths

C. Fischer, 1988 .

A multiconfiguration hartree-fock approach to atomic structure calculations

C. Fischer, 2009 .

Z-dependence of correlation effects and f values in the sodium iso-electronic sequence

C. Fischer, 1976 .

Discrepancies between theoretical and experimental atomic oscillator strengths of the sodium isoelectronic sequence resonance transition

C. Fischer, L. J. Curtis, R. Crossley, 1976 .

Calculations with spectroscopic accuracy: Energies, transition rates,and Lande gJ-factors in the carbon isoelectronic sequence from Ar XIII to Zn XXV

C. Fischer, P. Jönsson, M. Godefroid, 2014 .

Toward Calculations with Spectroscopic Accuracy: the 2s2.2p 2Po_{3/2} - 2s2p2 4P_{5/2} Excitation Energy in Boron

C. Fischer, M. Godefroid, P. Rynkun, 2013, 1310.2394.

Multiconfiguration Dirac-Hartree-Fock energies and transition probabilities for transitions in Ne II

C. Fischer, Y. Ralchenko, 2008 .

ACCURATE MULTICONFIGURATION DIRAC-FOCK CALCULATIONS OF TRANSITION PROBABILITIES IN THE MG ISOELECTRONIC SEQUENCE

C. Fischer, P. Jönsson, 1997 .

Programs for computing LS and LSJ transitions from MCHF wave functions

C. Fischer, M. Godefroid, 1991 .

Transition rates for some forbidden lines in Fe IV

C. Fischer, R. Rubin, C Froese Fischer, 1998 .

Correlation and Relativistic Effects on Transitions in Lighter Atoms

C. Fischer, 1999 .

The 2p-3s transitions in atomic oxygen

C. Fischer, 1987 .

MCHF+BP results for electric dipole transitions in the oxygen isoelectronic sequence

C. Fischer, H. Saha, 1984 .

Transition probability of the 1S0 → 1D2 emission of atomic oxygen

C. Fischer, C. Lin, Sunggi Chung, 1982 .

Breit-Pauli energy levels and transition rates for the carbonlike sequence

C. Fischer, G. Tachiev, 2001 .

Energies and E1, M1, E2, and M2 transition rates for states of the 2s22p4, 2s2p5, and 2p6 configurations in oxygen-like ions between F II and Kr XXIX

C. Fischer, P. Jönsson, P. Rynkun, 2013 .

Multiconfiguration Hartree-Fock results with Breit-Pauli corrections for forbidden transitions in the2p4configuration

C. Fischer, H. Saha, 1983 .

Breit–Pauli energy levels, transition probabilities and lifetimes for 3d5 levels in Fe iv of astrophysical interest

C. Fischer, R. Rubin, 2004, astro-ph/0408423.

SUPERPOSITION OF CONFIGURATION RESULTS FOR Si II.

C. Fischer, 1968 .

A program for performing angular integrations for transition operators

C. Fischer, A. Hibbert, M. Godefroid, 1991 .

Nuclear quadrupole moment of scandium

C. Fischer, J. Bieroń, I. Grant, 1997 .

The 4s2S–4p2P transition of the Al sequence

C. Fischer, 1978 .

Oscillator strengths for the 2P–2D transitions of the Al I sequence

C. Fischer, 1976 .

Multiconfiguration Dirac-Hartree-Fock calculations of the forbidden transitions between 3s2 1S0,3s3p 3P0,1,2,1P1 states for Mg-like ions

C. Fischer, Y. Zou, 2001 .

Theoretical Transition Probabilities and Lifetimes

C. Fischer, A. Irimia, G. Tachiev, 2005 .

Experimental and theoretical investigation of radiative lifetimes in neutral gallium

C. Fischer, C. Wahlström, T. Brage, 1986 .

Oscillator-strength trends in the presence of level crossings

C. Fischer, 1980 .

Energies and E1, M1, E2, and M2 transition rates for states of the 2s{sup 2}2p{sup 3}, 2s2p{sup 4}, and 2p{sup 5} configurations in nitrogen-like ions between F III and Kr XXX

C. Fischer, P. Jönsson, A. G. L. V. Astronomy, 2014 .

A critical review of programs in atomic structure for bound states

Charlotte Froese Fischer, C. Fischer, 1973 .

Excited states of the negative nitrogen ion: Energies and Lifetimes

R. D. Cowan, C. Fischer, V. Kempter, 1997 .

An Introduction to Relativistic Theory as Implemented in GRASP

C. Fischer, T. Brage, M. Godefroid, 2022, Atoms.

Two-Electron Systems

C. Fischer, T. Brage, P. Jönsson, 2019, Computational Atomic Structure.

Atomic Structure: Multiconfiguration Hartree-Fock Theories

C. Fischer, 2006 .

Numerical multiconfiguration Hartree-Fock calculations for nsnp3P states of Rb and Cs negative ions

C. Fischer, D. Chen, 1989 .

Correlation in negative ions

C. Fischer, 1989 .

Theoretical Energy Levels of 3F0 Rydberg Series for Mg I, Al II, and Si III

C. Fischer, 1980 .

Interpretation by orthogonal operators of Hartree–Fock analyses for Fe vi 3d 2 4p

C. Fischer, B. Judd, J. E. Hansen, 1988 .

Configuration interaction in the spin‐polarized hartree–fock approximation

C. Fischer, 2009 .

B-splines in variational atomic structure calculations

C. Fischer, 2008 .

Average-energy-of-configuration Hartree-Fock results for the atoms helium to radon charlotte froese fischer

Charlotte Froese Fischer, C. Fischer, 1972 .

A method for finding the asymptotic behavior of a function from its Laplace transform

C. Fischer, 1954 .

Computational Atomic Structure: An MCHF Approach

Per Jönsson, Charlotte Froese Fischer, Tomas Brage, 1997 .

Douglas Rayner Hartree : His life in science and computing

Charlotte Froese Fischer, C. Fischer, 2003 .

Core-excited quintet states in Mg I

C. Fischer, T. Brage, T. Andersen, 1991 .

MCHF CALCULATIONS FOR ATOMIC PROPERTIES

C. Fischer, P. Jönsson, 1994 .

The grasp2K relativistic atomic structure package

I. P. Grant, Per Jönsson, X. He, 2007, Comput. Phys. Commun..

New version: Grasp2K relativistic atomic structure package

I. P. Grant, Gediminas Gaigalas, Per Jönsson, 2013, Comput. Phys. Commun..

Extension of the HF program to partially filled f-subshells

C. Fischer, G. Gaigalas, 1996, physics/0406002.

Non-relativistic variational calculations of atomic properties in Li-like ions: Li I to O VI

Per Jönsson, Michel Godefroid, C. Froese Fischer, 2001 .

A multi-configuration Hartree-Fock program with improved stability

C. Fischer, 1984 .

Systematic transition probability studies for neutral nitrogen

C. Fischer, L. Sturesson, M. Tong, 1994 .

The Effect of Correlation on Spectra of the Lanthanides: Pr3+

C. Fischer, G. Gaigalas, 2018 .

GRASP92: a package for large-scale relativistic atomic structure calculations

I. P. Grant, Charlotte Froese Fischer, F. A. Parpia, 1996, Comput. Phys. Commun..

Relativistic Variational Calculations for Complex Atoms

C. Fischer, 2009 .

Electron affinities of At and its homologous elements Cl, Br, and I

C. Fischer, R. Si, 2018, Physical Review A.

The solution of Schrödinger's equation for two-electron systems by an MCHF procedure

C. Fischer, 1973 .

Photodetachment of He− 1s2s2p 4Po in the region of the 1s threshold

C. Fischer, T. Gorczyca, O. Zatsarinny, 2002 .

The Hartree-Fock method for atoms: A numerical approach

Charlotte Froese Fischer, C. Fischer, 1977 .

Photodetachment cross section of He − ( 1 s 2 s 2 p 4 P o ) in the region of the 1 s detachment threshold

C. Fischer, J. Xi, 1999 .

The electron affinity of in boron

C. Fischer, G. Gaigalas, 1996 .

REDUCED COEFFICIENTS (SUBCOEFFICIENTS) OF FRACTIONAL PARENTAGE FORp-,d-, ANDf-SHELLS

C. Fischer, Z. Rudzikas, G. Gaigalas, 1998 .

General Hartree-Fock program

Charlotte Froese Fischer, C. Fischer, 1987 .

Multiconfiguration Hartree-Fock Results with Breit-Pauli Corrections for Transitions in the Carbon Sequence

Charlotte Froese Fischer, Hari P. Saha, C. Fischer, 1985 .

Approximate solution of schrödinger's equation for atoms

C. Fischer, 1982 .

GRASP2018 - A Fortran 95 version of the General Relativistic Atomic Structure Package

Gediminas Gaigalas, Per Jönsson, Charlotte Froese Fischer, 2019, Comput. Phys. Commun..

Exploring biorthonormal transformations of pair-correlation functions in atomic structure variational calculations

C. Fischer, M. Godefroid, G. Gaigalas, 2009, 0911.1312.

A correlation study of Li ground state by the MCHF procedure

C. Fischer, 1975 .

Multi-Configuration Hartree–Fock Correlation Study of 1s2s1S

C. Fischer, 1973 .

JJ2LSJ Transformation and Unique Labeling for Energy Levels

Gediminas Gaigalas, Pavel Rynkun, Per Jönsson, 2017 .

MCDHF and RCI calculations of energy levels, lifetimes and transition rates for 3l3l ', 3l4l ', and 3s5l states in Ca IX - As XXII and Kr XXV

C. Fischer, P. Jönsson, I. Grant, 2017 .

Accurate multiconfiguration calculations of energy levels, lifetimes, and transition rates for the silicon isoelectronic sequence - Ti IX – Ge XIX, Sr XXV, Zr XXVII, Mo XXIX

C. Fischer, T. Brage, P. Jönsson, 2016 .

Relativistic CI calculations of spectroscopic data for the 2p6 and 2p53l configurations in Ne-like ions between Mg III and Kr XXVII

C. Fischer, H. Sakaue, L. Karlsson, 2014 .

Energy levels and transition rates for the boron isoelectronic sequence: Si X, Ti XVIII - Cu XXV ,

C. Fischer, L. Karlsson, P. Jönsson, 2013 .

RELCI: A program for relativistic configuration interaction calculations ? ? This program can be dow

Gediminas Gaigalas, Charlotte Froese Fischer, Stephan Fritzsche, 2002 .

A general multi-configuration Hartree-Fock program

Charlotte Froese Fischer, C. Fischer, 1984 .

Hartree-Fock Calculations for Atoms with Inner-Shell Vacancies

C. Fischer, 1977 .

Brillouin's theorem for excited (nl)q(n'l)q' configurations

C. Fischer, 1973 .

Multitasking the calculation of angular integrals on the CRAY-2 and CRAY X-MP

N. Stanley Scott, Charlotte Froese Fischer, J. Yoo, 1988, Parallel Comput..

JJGEN: A flexible program for generating lists of jj-coupled configuration state functions

Per Jönsson, L Sturesson, C. Froese Fischer, 2007, Comput. Phys. Commun..

HFS92: A program for relativistic atomic hyperfine structure calculations

Per Jönsson, C. Froese Fischer, C. Fischer, 1996 .

Energies and E1, M1, E2, M2 transition rates for states of the 2s22p, 2s2p2, and 2p3 configurations in boron-like ions between N III and Zn XXVI

C. Fischer, P. Jönsson, P. Rynkun, 2012 .

A partitioned correlation function interaction approach for describing electron correlation in atoms

C. Fischer, M. Godefroid, P. Rynkun, 2013, 1301.0835.

An MCHF atomic-structure package for large-scale calculations

Gediminas Gaigalas, Michel R. Godefroid, Charlotte Froese Fischer, 2007, Comput. Phys. Commun..

Landé g factors for 2p4 (3P)3p and 2p4(3P)3d states of Ne II

C. Fischer, P. Jönsson, 2001 .

Doublet-quartet energy separation in boron: A partitioned-correlation-function-interaction method

C. Fischer, P. Jönsson, M. Godefroid, 2013 .

MULTICONFIGURATION DIRAC-FOCK CALCULATIONS OF THE 2S21S0-2S2P 3P1 INTERCOMBINATION TRANSITION IN C III

C. Fischer, P. Jonsson, 1998 .

Core-polarization effects in the Cadmium isoelectronic sequence

C. Fischer, É. Biémont, P. Quinet, 2000 .

Combining Multiconfiguration and Perturbation Methods: Perturbative Estimates of Core–Core Electron Correlation Contributions to Excitation Energies in Mg-Like Iron

C. Fischer, P. Jönsson, I. Grant, 2017 .

Natural orbitals in multiconfiguration calculations of hyperfine-structure parameters

C. Fischer, M. Godefroid, J. Ekman, 2020, Physical Review A.

Computational Atomic Structure

Gediminas Gaigalas, Per Jönsson, Charlotte Froese Fischer, 2019 .

Complete Active Space multiconfiguration Dirac-Hartree-Fock calculations of hyperfine structure constants

Per Jonsson, Paul Indelicato, Charlotte Froese Fischer, 2009, 0902.4307.

Effects of electron correlation, relativity, and nuclear structure on hyperfine constants of Be{sup +} and F{sup 6+}

Per Jönsson, Charlotte Froese Fischer, Jacek Bieron, 1999 .

LARGE-SCALE MULTICONFIGURATIONAL DIRAC-FOCK CALCULATIONS OF THE HYPERFINE-STRUCTURE CONSTANTS AND DETERMINATION OF THE NUCLEAR QUADRUPOLE MOMENT OF 49 TI

C. Fischer, J. Bieroń, I. Grant, 1999 .

Atomic Structure Variational Calculations in Spectroscopy

C. Fischer, P. Jönsson, M. Godefroid, 1998 .

The effect of correlation on the excitation probability Kr 4p6→Rb+ 4p5 5p following β-decay

C. Fischer, 1974 .

Correlation effects important for accurate oscillator strengths

C. Fischer, 1974 .

The orthogonality assumption in the Hartree–Fock approximation for 2pn3p configurations

C. Fischer, 1968 .

Levels of 2p53p5 in Ar2

C. Fischer, D. Ridder, 1978 .

Self-consistent-field (SCF) and multiconfiguration (MC) Hartree-Fock (HF) methods in atomic calculations: Numerical integration approaches

C. Fischer, 1986 .

A B-spline Galerkin method for the Dirac equation

Charlotte Froese Fischer, Oleg Zatsarinny, C. Fischer, 2008, Comput. Phys. Commun..

A Z-Dependent Representation of the Transition Integral

C. Fischer, 1976 .

Comment on "Theoretical Confirmation of the Low Experimental 3C/3D f-Value Ratio in Fe xvii".

C. Fischer, T. Brage, Chongyang Chen, 2017, Physical review letters.

Accurate calculations of transition probabilities, isotope shifts and hyperfine structures for some allowed ? - ? transitions in B I, C II and C I

C. Fischer, P. Jönsson, M. Godefroid, 1996 .

Some corrections to GRASP92

Gediminas Gaigalas, Yuri Ralchenko, Charlotte Froese Fischer, 2006, Comput. Phys. Commun..

Laser transition probabilities in Xe I

C. Fischer, A. Dasgupta, K. Bartschat, 2006 .

Transition energies and transition rates for the 2p4(3P)3p - 2p4(3P)3d transitions in Ne II

C. Fischer, Xinghong He, 1999 .

Accurate multiconfiguration Hartree-Fock calculations of isotope shifts in C I and C IV

C. Fischer, P. Jönsson, M. Godefroid, 1995 .

Measurement of the Kr XVIII 3d 2D5/2 lifetime in a unitary Penning Trap

J. N. Tan, C. Fischer, P. Jonsson, 2014, 1404.6181.

Evaluation and Comparison of the Configuration Interaction Calculations for Complex Atoms

C. Fischer, 2014 .

Energy levels, lifetimes, wavelengths, and transition probabilities of Fe XIV

Bin Liu, Charlotte Froese Fischer, C. Fischer, 1986 .

Systematic calculations of correlation in complex ions

C. Fischer, T. Brage, 1993 .

Theoretical oscillator strengths for the resonance transitions in the Zn I isoelectronic sequence

C. Fischer, J. E. Hansen, 1978 .

Theoretical Studies of Atomic Transitions

C. Fischer, 2005 .

Note on the 2s2 1S0-2s2p 3P1 intercombination line of B II and C III

C. Fischer, G. Gaigalas, 1997 .

The - intercombination line in the Be-like sequence

C. Fischer, M. Godefroid, G. Gaigalas, 1997 .

Breit–Pauli Oscillator Strengths, Lifetimes and Einstein A Coefficients in Singly Ionized Sulphur

C. Fischer, A. Irimia, 2005 .

A general program for computing angular integrals of the Breit-Pauli Hamiltonian with non-orthogonal orbitals

C. Fischer, O. Zatsarinny, 2000 .

Electron correlation in the lanthanides:4f2spectrum ofCe2+

C. Fischer, M. Godefroid, 2019, Physical Review A.

The MCHF atomic-structure package

Charlotte Froese Fischer, C. Fischer, 2000 .

Lifetimes of 4 p 5 4 d levels in highly ionized atoms

C. Fischer, P. Rynkun, G. Gaigalas, 2015 .

REOS — A program for relaxed-orbital oscillator strength calculations

Stephan Fritzsche, C. Froese Fischer, C. Fischer, 1997 .

CALCULATED LEVEL ENERGIES, TRANSITION PROBABILITIES, AND LIFETIMES FOR PHOSPHORUS-LIKE IONS OF THE IRON GROUP IN THE 3s3p4AND 3s23p23dCONFIGURATIONS☆

Stephan Fritzsche, C. Froese Fischer, C. Fischer, 1998 .

Configuration maxing in the Al sequence

C. Fischer, 1968 .

Numerical Hartree–Fock results for the atoms helium to radon

C. Fischer, 1968 .

Variational calculations of correlated wavefunctions and energies for ground, low-lying as well as highly excited discrete states in many-electron atoms using a new atomic structure theory including electron correlation

C. Fischer, K. Jankowski, A. Hibbert, 2016 .

LETTER TO THE EDITOR: Lifetime and hyperfine structure of the 3D2 state of radium

Stephan Fritzsche, Charlotte Froese Fischer, Jacek Bieron, 2004 .

Convergence studies of atomic properties from variational methods

J. Olsen, C. Fischer, P. Jönsson, 1993 .

A distributed-memory implementation of the MCHF atomic structure package

Ming Tong, Charlotte Froese Fischer, Murry Bentley, 1994, The Journal of Supercomputing.

Breit–Pauli and Dirac–Hartree–Fock energy levels and transition probabilities in neutral argon

C. Fischer, A. Irimia, 2004 .

The Mg+ 3s 2S1/2-4p 2Po3/2,1/2 weak transition probabilities revisited

C. Fischer, M. Godefroid, 1999 .

A Pvm Implementation of the Mchf Atomic Structure Package

Anders Ynnerman, Andreas Stathopoulos, Charlotte F. Fischer, 1996, Int. J. High Perform. Comput. Appl..

An Mpi Implementation of the Mchf Atomic Structure Package

C. Fischer, M. Saparov, 1996 .

Overlapping domain decomposition preconditioners for the generalized Davidson method for the eigenvalue problem

Y. Saad, A. Stathopoulos, C. Fischer, 1994 .

Reducing synchronization on the parallel Davidson method for the large, sparse, eigenvalue problem

Andreas Stathopoulos, Charlotte F. Fischer, A. Stathopoulos, 1993, Supercomputing '93. Proceedings.

Concurrent Vector Algorithms for Spline Solutions of the Helium Pair Equation

Charlotte Froese Fischer, C. Fischer, 1991, Int. J. High Perform. Comput. Appl..

Multitasking the Davidson Algorithm for the Large, Sparse Eigenvalue Problem

Charlotte Froese Fischer, Verena Meiser Umar, C. Fischer, 1989, Int. J. High Perform. Comput. Appl..

The - resonance line in neutral beryllium

J. Olsen, C. Fischer, A. Hibbert, 1996 .

Average-energy-of-configuration Hartree-Fock results for the atoms helium to radon

Charlotte Froese Fischer, C. Fischer, 1973 .

Collapse of the 4f orbital for Xe-like ions

C. Fischer, K. Cheng, 1983 .

Systematic studies of N IV transitions of astrophysical importance

C. Fischer, T. Brage, N. Vaeck, 1995 .

Core polarization effects on oscillator strengths in neutral zinc

C. Fischer, T. Brage, 1992 .

Multiconfiguration Dirac–Hartree–Fock energy levels and transition probabilities for 3d5 in Fe iv

C. Fischer, R. Rubin, M. Rodr'iguez, 2008, 0809.4720.

REOS99: A revised program for transition probability calculations including relativistic, correlation, and relaxation effects

Stephan Fritzsche, C. Froese Fischer, C. Fischer, 2000 .

Atomic structure calculations using MCHF and BSR

Charlotte Froese Fischer, Oleg Zatsarinny, C. Fischer, 2009, Comput. Phys. Commun..

Measurements and predictions of the 6s6p 1,3 P 1 lifetimes in the Hg isoelectronic sequence

C. Fischer, L. J. Curtis, E. H. Pinnington, 2001 .

The Effect of Correlation in the 3dn Core on the Resonance Transition in Cu II

C. Fischer, R. Glass, 1980 .

Iterative solution of the Hartree-Fock equations with improved stability

C. Fischer, 1972 .

DBSR_HF: A B-spline Dirac-Hartree-Fock program

Charlotte Froese Fischer, Oleg Zatsarinny, C. Fischer, 2016, Comput. Phys. Commun..

A B-spline Hartree-Fock program

Charlotte Froese Fischer, C. Fischer, 2011, Comput. Phys. Commun..

Regular Article: Integration by Cell Algorithm for Slater Integrals in a Spline Basis

C. Fischer, Y. Qiu, 1999 .

Non-variational, spline-Galerkin calculations of resonance positions and widths, and photodetachment and photo-ionization cross sections for H- and He

C. Fischer, T. Brage, G. Miecznik, 1992 .

Spline methods for multiconfiguration Hartree–Fock calculations

W. Guo, Charlotte Froese Fischer, Z. Shen, 1992 .

Spline algorithms for the Hartree-Fock equation for the helium ground state

C. Fischer, W. Guo, 1990 .

Spline algorithms for continuum functions

C. Fischer, M. Idrees, 1989 .

PROGRAMS FOR ATOMIC-STRUCTURE CALCULATIONS.

C. Fischer, M. Wilson, 1968 .

LETTER TO THE EDITOR: Magnetic-dipole transitions between the lowest 3d4 J = 2-3 transitions in highly charged titanium-like ions

C. Fischer, S. Fritzsche, 2001 .

Multi-configuration Hartree-Fock plus Breit-Pauli results for some forbidden transitions

C. Fischer, M. Godefroid, 1986 .

Correlation Effects and f-Values in the Sodium Sequence

C. Fischer, 1976 .

Multiconfiguration Hartree-Fock Calculations for Complex Atoms

C. Fischer, 1984 .

Multiconfiguration Hartree--Fock method for atomic energy levels and transition probabilities

C. Fischer, 1978 .

The effect of electron correlation on the charge density at the iron nucleus

C. Fischer, J. S. Carley, 1976 .

Exact evaluation of slater integrals using ALTRAN, a symbol manipulation language

C. Fischer, D.W.B. Prentice, 1973 .

Splines in atomic structure calculations

C. Fischer, T. Brage, 1995 .

Photon Emission from Core-Excited Be I and Be II States

C. Fischer, T. Andersen, L. Smentek-Mielczarek, 1983 .

Energy levels and lifetimes for some quartet states of Be II

C. Fischer, 1982 .

Breit and QED effects on the 3d9D3/22→2D5/2 transition energy in Co-like ions

C. Fischer, R. Si, T. Brage, 2018, Physical Review A.

Critical evaluation of Breit and QED effects on the 3 d 9 2 D 3 / 2 → 2 D 5 / 2 transition energy in Co-like ions

C. Fischer, R. Si, T. Brage, 2019 .

Isotope shift in the sulfur electron affinity: Observation and theory

C. Fischer, M. Godefroid, C. Drag, 2010, 1002.1297.

The deffered difference correction for the Numerov method

Charlotte Froese Fischer, C. Fischer, 1971 .

Optical quenching of metastable magnesium

C. Fischer, W. Ertmer, E. Rasel, 2007 .

Correlation study of Be 1 s 2 2 s 2 p P 1 by a separated-pair numerical multiconfiguration Hartree-Fock procedure

C. Fischer, K. Saxena, 1974 .

Hypercube conversion of serial codes for atomic structure calculations

Murry Bentley, C. F. Fischer, C. Fischer, 1992, Parallel Comput..

A Davidson Program for Nding a Few Selected Extreme Eigenpairs of a Large, Sparse, Real, Symmetric Matrix Program Summary

A. Stathopoulos, C. Fischer, 2007 .

Ground-state correlation energies for atomic ions with 3 to 18 electrons.

Davidson, E. Davidson, C. Fischer, 1993, Physical review. A, Atomic, molecular, and optical physics.

Relativistic calculations for highly charged ions

C. Fischer, 2005 .

Relativistic and Correlation Effects on the Lifetimes of 3s4p 3PJo Levels in Mg-like Sulphur and Chlorine

C. Fischer, M. Godefroid, 1985 .

Correlation and the 5F–3F energy separation in Ti

C. Fischer, 1982 .

Numerical solution of general Hartree-Fock equations for atoms

C. Fischer, 1978 .

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C. Fischer, O. Zatsarinny, 2009 .

Editorial of the Special Issue “General Relativistic Atomic Structure Program—GRASP”

C. Fischer, J. Bieroń, P. Jönsson, 2023, Atoms.

Numerical Procedures for Relativistic Atomic Structure Calculations

C. Fischer, A. Senchuk, 2020, Atoms.

LSGEN - a program to generate configuration-state lists of LS-coupled basis functions

Charlotte Froese Fischer, L Sturesson, C. Fischer, 1993 .

A general program for computing angular integrals of the non-relativistic Hamiltonian with non-orthogonal orbitals

C. Fischer, A. Hibbert, 1991 .

MCHF atomic-structure package: support libraries and utilities

C. Fischer, 1991 .

Oscillator strengths from numerical MCHF radial functions

K.M.S. Saxena, C. Froese Fischer, C. Fischer, 1984 .

Computational Atomic Structure

C. Fischer, T. Brage, P. Jönsson, 2019 .

Isotope shift in the oxygen electron affinity

C. Fischer, M. Godefroid, 1999 .