Z. Ahmed

发表

Real and complex discrete eigenvalues in an exactly solvable one-dimensional complex -invariant potential

Z. Ahmed, 2001 .

An update on coherent scattering from complex non-PT-symmetric Scarf II potential with new analytic forms

Sachin Kumar, Z. Ahmed, 2019, Pramana.

Reciprocity and unitarity in scattering from a non-Hermitian complex PT-symmetric potential

Z. Ahmed, 2012, 1207.6896.

New features of scattering from a one-dimensional non-Hermitian (complex) potential

Z. Ahmed, 2011, 1110.4485.

Scarcity of real discrete eigenvalues in non-analytic complex $$ \mathcal{P}\mathcal{T} $$-symmetric potentials

Z. Ahmed, 2009 .

PT-symmetry in conventional quantum physics

Z. Ahmed, 2006 .

An ansatz for the eigenstates in PT-symmetric quantum mechanics

Z. Ahmed, 2006, quant-ph/0608091.

Phase space trajectories and quantization in PT-symmetric quantum mechanics

Z. Ahmed, 2005 .

Novel phase-space orbits and quantization

Z. Ahmed, 2005 .

Handedness of complex PT symmetric potential barriers

Z. Ahmed, 2003, quant-ph/0312151.

Addendum to `Real and complex discrete eigenvalues in an exactly solvable one-dimensional complex PT invariant potential'

Z. Ahmed, 2001 .

Schrödinger transmission through one-dimensional complex potentials

Z. Ahmed, 2001 .

Spectral singularity and reflectionlessness in non-Hermitian (complex) Ginocchio potential

Z. Ahmed, B. Mandal, Ananya Ghatak, 2012 .

Spectral statistics for ensembles of various real random matrices

Sachin Kumar, Sachin Kumar, Z. Ahmed, 2017 .

Acta Polytechnica

Sachin Kumar, Z. Ahmed, 2015 .

Some aspects of scattering in (non) commutative gauge theories

Tapobrata Sarkar, Z. Ahmed, 2002, hep-th/0209065.

Pseudo-reality and pseudo-adjointness of Hamiltonians

Z. Ahmed, 2003, quant-ph/0306093.

Reflectionlessness, kurtosis and top curvature of potential barriers

Z. Ahmed, 2006 .

C-, PT- and CPT-invariance of pseudo-Hermitian Hamiltonians

Z. Ahmed, 2003, quant-ph/0302141.

P-, T-, PT-, and CPT-invariance of Hermitian Hamiltonians

Z. Ahmed, 2003, quant-ph/0302084.

Brownian motion model of random matrices revisited

Z. Ahmed, Sudhir R Jain, S. Jain, 1998, cond-mat/9804253.

A note on Coulomb scattering amplitude

Z. Ahmed, 2003, quant-ph/0310019.

A practice problem for Schr{ö}dinger transmission

Z. Ahmed, 2003, quant-ph/0309176.

Pseudounitary symmetry and the Gaussian pseudounitary ensemble of random matrices.

Z. Ahmed, Sudhir R Jain, S. Jain, 2002, Physical review. E, Statistical, nonlinear, and soft matter physics.

Acta Polytechnica

Sachin Kumar, Z. Ahmed, 2015 .

Gaussian-Random Ensembles of Pseudo-Hermitian Matrices

Z. Ahmed, 2004, quant-ph/0407154.

Number of quantal resonances

Z. Ahmed, Sudhir R Jain, S. Jain, 2003, quant-ph/0309206.

Nonlinear dynamics of high-j cranking model: A semi-classical approach

Z. Ahmed, A. Jain, Sudhir R Jain, 1996 .

An ansatz for the eigenstates in PT-symmetric quantum mechanics

Z. Ahmed, 2006, quant-ph/0608091.

Handedness of complex PT symmetric potential barriers

Z. Ahmed, 2003, quant-ph/0312151.

Pseudo-Hermiticity of Hamiltonians under gauge-like transformation: real spectrum of non-Hermitian Hamiltonians

Z. Ahmed, 2002 .

Pseudo-Hermiticity of Hamiltonians under imaginary shift of the coordinate: real spectrum of complex potentials

Z. Ahmed, 2001, quant-ph/0108016.

A PSEUDO-UNITARY ENSEMBLE OF RANDOM MATRICES, PT-SYMMETRY AND THE RIEMANN HYPOTHESIS

Z. Ahmed, Sudhir R Jain, S. Jain, 2004, quant-ph/0407167.

Reflection above potential steps

Z. Ahmed, 1999 .

Some aspects of scattering in (non) commutative gauge theories

Z. Ahmed, T. Sarkar, 2002, hep-th/0209065.

PT-symmetric potentials with imaginary asymptotic saturation

Sachin Kumar, Z. Ahmed, J. A. Nathan, 2018, Pramana.

Addendum to ‘The paradoxical zero reflection at zero energy’ (2017 Eur. J. Phys. 38 025401)

Z. Ahmed, Ankush Singhal, Rahul Kaiwart, 2021, European Journal of Physics.

Three types of discrete energy eigenvalues in complex PT -symmetric scattering potentials

Sachin Kumar, Z. Ahmed, Dona Ghosh, 2018, Physical Review A.

Solvable models of an open well and a bottomless barrier: one-dimensional exponential potentials

Sachin Kumar, Z. Ahmed, Dona Ghosh, 2018 .

Transparency of the complex PT-symmetric potentials for coherent injection

Z. Ahmed, J. A. Nathan, Dona Ghosh, 2016 .

Accidental crossings of eigenvalues in the one-dimensional complex PT-symmetric Scarf-II potential

Z. Ahmed, J. A. Nathan, G. Parkar, 2015, 1503.02426.

Real discrete spectrum in the complex non-PT-symmetric Scarf II potential

Z. Ahmed, J. A. Nathan, 2014, 1411.3231.

Coherent perfect absorption with and without lasing in complex potentials

Z. Ahmed, 2014, 1404.1679.

Comment on “Resonant states and transmission coefficient oscillations for potential wells and barriers,” by A. Uma Maheswari, P. Prema, and C. S. Shastry [Am. J. Phys. 78 (4), 412–417 (2010)]

Z. Ahmed, 2011 .

Zero width resonance (spectral singularity) in a complex PT-symmetric potential

Z. Ahmed, 2009, 0908.2876.

AN INTERESTING MODEL OF QUANTAL TRANSMISSION

Z. Ahmed, 2006 .

Se p 20 03 A practice problem for Schrödinger transmission

Z. Ahmed, 2003 .

Quasi-bound state in supersymmetric quantum mechanics

Z. Ahmed, 2001 .

Tunnelling through asymmetric parabolic potential barriers

Z. Ahmed, 1997 .

The paradoxical zero reflection at zero energy

Z. Ahmed, Ankush Singhal, Rahul Kaiwart, 2016, 1605.07315.

Solvable model of bound states in the continuum (BIC) in one dimension

Sachin Kumar, Z. Ahmed, Dona Ghosh, 2019, Physica Scripta.

Fe b 20 03 C , PT , CPT invariance of pseudo-Hermitian Hamiltonians

Z. Ahmed, 2003 .

PT , and CPT invariance of Hermitian Hamiltonians

Z. Ahmed, 2003 .

CPT invariance of Hermitian Hamiltonians

Z. Ahmed, 2003 .

A new solvable complex PT-symmetric potential

Z. Ahmed, J. A. Nathan, Dona Ghosh, 2015, 1502.04838.

Reflection from an interface

Z. Ahmed, 2000 .

New shape resonances in one dimension

Z. Ahmed, Shashin Pavaskar, Lakshmi Prakash, 2015, 1504.00115.

Reflection from a composite potential well (Physics Letters A 236 (1997) 289)

Z. Ahmed, 1998 .

REFLECTION FROM A COMPOSITE POTENTIAL WELL

Z. Ahmed, 1997 .

Unusual reflection from step barriers

Z. Ahmed, 1996 .

Tunnelling through the Morse barrier

Z. Ahmed, 1991 .

Supersymmetric partner potentials arising from nodeless half bound states

Z. Ahmed, Rahul Kaiwart, Dhruv Sharma, 2016, 1612.07081.

Coherent scattering from semi-infinite non-Hermitian potentials

Z. Ahmed, Sachin Kumar, Dona Ghosh, 2017, 1709.08513.

Random matrix model for disordered conductors

Z. Ahmed, S. Jain, 2000 .

Divergence of 〈 p 6 〉 in discontinuous potential wells

Sachin Kumar, Z. Ahmed, J. A. Nathan, 2018, European Journal of Physics.

Pearson's correlation coefficient in the theory of networks: A comment pdf

Zafar Ahmed, Sachin Kumar, Sachin Kumar, 2018, ArXiv.

Dirichlet spectra of the paradigm model of complex PT-symmetric potential: V(x)=−(ix)N

Sachin Kumar, Z. Ahmed, Dhruv Sharma, 2016, 1606.04757.

Eigenvalue problems for the complex PT-symmetric potential V(x)=igx

Z. Ahmed, 2006, quant-ph/0609219.

Revisiting double Dirac delta potential

Sachin Kumar, Z. Ahmed, Vibhu Sharma, 2016, 1603.07726.

Gaussian ensemble of 2 × 2 pseudo-Hermitian random matrices

Z. Ahmed, S. Jain, 2003 .

Reflectionless potentials and PT symmetry

C. Bender, Z. Ahmed, Michael V Berry, 2005, quant-ph/0508117.

Real discrete spectrum of complex PT-symmetric scattering potentials

Z. Ahmed, J. A. Nathan, Dhruv Sharma, 2015, 1510.06226.

Coherent perfect absorption with and without lasing in complex potentials

Z. Ahmed, 2014, 1404.1679.

Spectral singularity and reflectionlessness in non-Hermitian (complex) Ginocchio potential

Z. Ahmed, B. Mandal, Ananya Ghatak, 2012, 1207.1979.

An ensemble of non-Hermitian Gaussian-random 2×2 matrices admitting the Wigner surmise

Z. Ahmed, 2003 .

Energy band structure due to a complex, periodic, PT-invariant potential

Z. Ahmed, 2001 .

An Integral Three Ways: 11000

O. P. Lossers, Zafar Ahmed, Gerald Thompson, 2004, Am. Math. Mon..