I. Ivanov

H. Quiney, D. Kielpinski, K. Bartschat, 2011, 2011 International Quantum Electronics Conference (IQEC) and Conference on Lasers and Electro-Optics (CLEO) Pacific Rim incorporating the Australasian Conference on Optics, Lasers and Spectroscopy and the Australian Conference on Optical Fibre Technology.

Above-threshold ionization in atomic hydrogen using intense, few-cycle laser pulses

Helium atom in presence of DC and AC electric fields

I. Ivanov, A. Kheifets, 2006 .

Asymptotic description of the Rydberg states with $\mathsf{L > 0}$ in a two-electron atom

I. Ivanov, 2003 .

Attosecond angular streaking and tunnelling time in atomic hydrogen

R. T. Sang, K. Bartschat, I. Ivanov, 2017, Nature.

Interpreting attoclock measurements of tunnelling times

H. Muller, A. Scrinzi, M. Ivanov, 2014, Nature Physics.

Strong-field ionization of lithium

J. Ullrich, K. Simeonidis, J. Steinmann, 2011 .

Subcycle interference upon tunnel ionization by counter-rotating two-color fields

M. Kunitski, Nikolai Schlott, K. Henrichs, 2017, 1711.03880.

Reconstruction of phase shifts as functions of energy using bound-state energies and low-energy scattering data

I. Ivanov, 2003 .

Semiempirical model of positron scattering and annihilation

J. Mitroy, I. Ivanov, 2002 .

Asymptotically exact expression for the energies of the 3Se Rydberg series in a two-electron system

J. Mitroy, I. Ivanov, M. Bromley, 2002 .

Positronium-positronium scattering using the stochastic variational method

K. Varga, J. Mitroy, I. Ivanov, 2002 .

Elastic positronium-atom scattering using the stochastic variational method.

K. Varga, J. Mitroy, I. Ivanov, 2001, Physical review letters.

Single-photon double ionization of negative hydrogen ions in the presence of a dc electric field

I. Ivanov, A. Kheifets, 2007 .

Hylleraas basis calculation of the doubly excited 1,3Ge states in heliumlike ions

Y. K. Ho, I. Ivanov, 2001 .

Addendum to ``Scattering of twisted particles: Extension to wave packets and orbital helicity''

V. Serbo, I. Ivanov, 2011 .

Link between the strong-coupling and the weak-coupling asymptotic perturbation expansions for the quartic anharmonic oscillator

Igor Ivanov, I. Ivanov, 1998 .

Transformation of the asymptotic perturbation expansion for the anharmonic oscillator into a convergent expansion

I. Ivanov, 2004 .

LETTER TO THE EDITOR: Optical model theory for positron annihilation during scattering

J. Mitroy, I. Ivanov, 2000 .

Treatment of the Coulomb singularity in momentum space calculations ? ? This work was supported by a

J. Mitroy, I. Ivanov, 2001 .

Orthogonalising pseudo-potentials in scattering calculations

J. Mitroy, I. Ivanov, M. Bromley, 2003 .

On the use of the Kramers–Henneberger Hamiltonian in multi-photon ionization calculations

I. Ivanov, A. Kheifets, 2005, physics/0504125.

Above-threshold-ionization structures in photoelectron momentum distributions for single ionization of He by a strong electromagnetic field

I. Ivanov, A. Kheifets, 2009 .

Atomic ionization driven by the quantized electromagnetic field in a Fock state

I. Ivanov, K. Kim, 2020 .

Non-perturbative approach to multiphoton ionisation of the hydrogen and helium atoms

I. Ivanov, A. Kheifets, 2006 .

Review of Strong Field Approximation and Investigating Semiclassical Evolution Approach

I. Ivanov, Renjing Xu, A. Kheifets, 2014, 1411.5550.

Exit point in the strong field ionization process

Chang Hee Nam, I. A. Ivanov, Kyung Taec Kim, 2017, Scientific Reports.

Direct sampling of a light wave in air

Seung Beom Park, C. Nam, S. Hwang, 2018 .

Timing analysis of two-electron photoemission

I. Bray, I. Ivanov, A. Kheifets, 2010, 1012.1048.

Two-photon double ionization of the H2 molecule: Cross sections and amplitude analysis

I. Ivanov, A. Kheifets, 2013 .

Time-dependent calculations of double photoionization of the aligned H2 molecule

I. Ivanov, A. Kheifets, 2012 .

Critical compilation of the inner-shell excited energy levels and spectrum of lithium-like Neon (Ne VIII)

I. Ivanov, A. Kramida, 1997 .

Coherent extreme-ultraviolet emission generated through frustrated tunnelling ionization

Seung Beom Park, Igor Ivanov, Chang Hee Nam, 2018, Nature Photonics.

Single-photon double ionization of helium in the presence of dc electric field

I. Ivanov, A. Kheifets, 2006 .

Combined effect of electric field and spin-orbit interaction on doubly excited Feshbach resonance states of helium below the N=2 threshold

Y. K. Ho, I. Ivanov, 2003 .

Strong-field-approximation model for coherent extreme-ultraviolet emission generated through frustrated tunneling ionization

I. Ivanov, K. Kim, J. Mun, 2018, Physical Review A.

Convergent close-coupling calculations of two-photon double ionization of helium

I. Ivanov, A. Kheifets, 2006, physics/0601137.

Two-photon double ionization of helium in the region of photon energies 42-50 eV

I. Ivanov, A. Kheifets, 2006, physics/0612093.

Complete characterization of double photoionization processes

I. Ivanov, A. Kheifets, Igor Ivanov, 2011 .

SVD as a method of the construction of the antisymmetrized basis functions for a multi-electron atom

Y. K. Ho, I. Ivanov, Dimitri A. Ivanov, 2004 .

Modifying the high-energy part of the above-threshold-ionization spectrum

I. Ivanov, 2010 .

Effect of the finite speed of light in ionization of extended systems.

I. Ivanov, A. Kheifets, K. Kim, 2021, 2106.14382.

Ionization yield measurement using metal electrodes with a static electric field in ambient air

I. Ivanov, W. Cho, K. Kim, 2020, Journal of Physics B: Atomic, Molecular and Optical Physics.

Positronium-hydrogen scattering using the stochastic variational method

K. Varga, J. Mitroy, I. Ivanov, 2002 .

High-angular-momentum ( L >~ 3 ) doubly excited resonance states of the positronium negative ion

Y. K. Ho, I. Ivanov, 1999 .

Positronium scattering from closed-shell atoms and ions

J. Mitroy, I. Ivanov, 2001 .

Attosecond angular streaking and tunnelling time in atomic hydrogen

K. Bartschat, I. Ivanov, W. Wallace, 2017, Nature.

Relativistic approach to the tunneling-time problem

I. Ivanov, K. Kim, 2015 .

Pick-off annihilation in positronium scattering from alkali-metal ions

J. Mitroy, I. Ivanov, 2002 .

Measuring laser carrier-envelope-phase effects in the noble gases with an atomic hydrogen calibration standard

D. Kielpinski, X. Tong, C. Khurmi, 2016, 1601.02277.

Evolution of the transverse photoelectron-momentum distribution for atomic ionization driven by a laser pulse with varying ellipticity

I. A. Ivanov, I. Ivanov, 2014, 1406.6747.

Experimental ionization of atomic hydrogen with few-cycle pulses.

H. Quiney, D. Kielpinski, K. Bartschat, 2011, Optics letters.

Transverse electron momentum distribution in tunneling and over the barrier ionization by laser pulses with varying ellipticity

D. Kielpinski, I. Ivanov, I. Litvinyuk, 2015, Scientific Reports.

Erratum: Minkowski space structure of the Higgs potential in the two-Higgs-doublet model [Phys. Rev. D 75 , 035001 (2007)]

I. Ivanov, 2007 .

Numerical calculation of the complex energy of the resonance of a two-electron atom with nuclear charge below the threshold value

J. Dubau, I. Ivanov, 1998 .

Energy levels of configurations 3l3l' for He-like ions with Z=2-26

I. Ivanov, 1993 .

WKB quantization of the Morse Hamiltonian and periodic meromorphic functions

I. Ivanov, 1997 .

Photoionization in the presence of circularly polarized fundamental and odd-order harmonic fields

C. Nam, I. Ivanov, K. Kim, 2017 .

Distribution of absorbed photons in the tunneling ionization process

I. Ivanov, K. Kim, 2021, Scientific reports.

Harmonic generation for atoms in fields of varying ellipticity: Single-active-electron model with Hartree-Fock potential

I. Ivanov, A. Kheifets, 2009 .

Relativistic Nondipole Effects in Strong-Field Atomic Ionization at Moderate Intensities.

I. Ivanov, I. Litvinyuk, R. Glover, 2018, Physical review letters.

Strong-field ionization of argon: Electron momentum spectra and nondipole effects

I. Ivanov, I. Litvinyuk, N. Haram, 2021, Physical Review A.

Theory and applications of free-electron vortex states

F. Nori, P. Schattschneider, K. Bliokh, 2017, 1703.06879.

Elastic scattering of vortex electrons provides direct access to the Coulomb phase

S. Fritzsche, A. Surzhykov, I. Ivanov, 2016, 1608.06551.

Erratum: Scattering of twisted particles: Extension to wave packets and orbital helicity [Phys. Rev. A 84, 033804 (2011)]

V. Serbo, I. Ivanov, 2011 .

Double-slit experiment in momentum space

S. Fritzsche, A. Surzhykov, I. Ivanov, 2016, 1606.04732.

Low-energy structures in strong-field ionization

C. Nam, I. Ivanov, K. Kim, 2016 .

Complex rotation method for the Dirac Hamiltonian

Igor Ivanov, Yew Kam Ho, Y. K. Ho, 2004 .

Double photoionization of the hydrogen molecule from the viewpoint of the time-delay theory

I. Ivanov, 2012 .

Where does atomic photoionization begin ?

I. Ivanov, A. Kheifets, 2011 .

Angular dependence of photoemission time delay in helium

F. Martín, J. M. Dahlström, E. Lindroth, 2016 .