Edit Profile (opens in new tab) Ahmed, Zafar Co-Author Distance Author ID: ahmed.zafar Published as: Ahmed, Zafar Documents Indexed: 65 Publications since 1996, including 14 Additional arXiv Preprints Co-Authors: 25 Co-Authors with 32 Joint Publications 294 Co-Co-Authors all top 5 Co-Authors 28 single-authored 10 Ghosh, Dona 8 Nathan, Joseph Amal 5 Kumar, Sachin 4 Jain, Sudhir Ranjan 4 Kaiwart, Rahul 4 Pavaskar, Shashin 4 Sharma, Mayank 4 Sharma, Vibhu 3 Prakash, Lakshmi 3 Priyadarshini, Pallavi 3 Sharma, Dhruv 3 Singhal, Ankush 2 Yadav, Indresh 1 Baishya, Abhijit 1 Bender, Carl M. 1 Berry, Michael Victor 1 Bhatia, Tanayveer 1 Bhattacharya, Koushik 1 Ghatak, Ananya 1 Goswami, Tarit 1 Kesari, Swayam 1 Mandal, Bhabani Prasad 1 Mirza, Arshad M. 1 Parkar, Gaurang 1 Savita, Aditya Nandan 1 Turumella, Nihar all top 5 Serials 19 Physics Letters. A 13 European Journal of Physics 9 Journal of Physics A: Mathematical and General 4 Journal of Physics A: Mathematical and Theoretical 2 International Journal of Modern Physics A 1 Modern Physics Letters A 1 Annals of Physics 1 Czechoslovak Journal of Physics all top 5 Fields 46 Quantum theory (81-XX) 4 Statistical mechanics, structure of matter (82-XX) 3 Partial differential equations (35-XX) 2 Linear and multilinear algebra; matrix theory (15-XX) 2 Ordinary differential equations (34-XX) 2 Operator theory (47-XX) 2 Optics, electromagnetic theory (78-XX) 1 Number theory (11-XX) 1 Special functions (33-XX) 1 Harmonic analysis on Euclidean spaces (42-XX) 1 Functional analysis (46-XX) 1 Manifolds and cell complexes (57-XX) 1 Fluid mechanics (76-XX) 1 Relativity and gravitational theory (83-XX) 1 Mathematics education (97-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 35 Publications have been cited 212 times in 142 Documents Cited by ▼ Year ▼ Real and complex discrete eigenvalues in an exactly solvable one-dimensional complex PT-invariant potential. Zbl 0984.81043 Ahmed, Zafar 62 2001 Pseudo-Hermiticity of Hamiltonians under gauge-like transformation: real spectrum of non-Hermitian Hamiltonians. Zbl 0990.81029 Ahmed, Zafar 32 2002 Pseudo-Hermiticity of Hamiltonians under imaginary shift of the coordinate: real spectrum of complex potentials. Zbl 1020.81016 Ahmed, Zafar 19 2001 Energy band structure due to a complex, periodic, PT-invariant potential. Zbl 0969.81667 Ahmed, Zafar 14 2001 Gaussian ensemble of 2\(\times\)2 pseudo-Hermitian random matrices. Zbl 1039.82018 Ahmed, Zafar; Jain, Sudhir R. 9 2003 P-, T-, PT-, and CPT-invariance of Hermitian Hamiltonians. Zbl 1011.81010 Ahmed, Zafar 8 2003 Zero width resonance (spectral singularity) in a complex \(PT\)-symmetric potential. Zbl 1181.81102 Ahmed, Zafar 7 2009 Handedness of complex PT-symmetric potential barriers. Zbl 1123.81417 Ahmed, Zafar 7 2004 Reflectionless potentials and \({\mathcal{PT}}\) symmetry. Zbl 1081.81108 Ahmed, Zafar; Bender, Carl M.; Berry, M. V. 5 2005 Solvable models of an open well and a bottomless barrier: one-dimensional exponential potentials. Zbl 1390.81136 Ahmed, Zafar; Ghosh, Dona; Kumar, Sachin; Turumella, Nihar 4 2018 A new solvable complex PT-symmetric potential. Zbl 1323.81096 Ahmed, Zafar; Ghosh, Dona; Nathan, Joseph Amal 4 2015 Eigenvalue problems for the complex PT-symmetric potential \(V(x)=igx\). Zbl 1203.81071 Ahmed, Zafar 3 2007 New features of scattering from a one-dimensional non-Hermitian (complex) potential. Zbl 1237.81076 Ahmed, Zafar 3 2012 \(C\)-, \(PT\)- and \(CPT\)-invariance of pseudo-Hermitian Hamiltonians. Zbl 1046.81016 Ahmed, Zafar 3 2003 Revisiting double Dirac delta potential. Zbl 1344.81066 Ahmed, Zafar; Kumar, Sachin; Sharma, Mayank; Sharma, Vibhu 3 2016 Pseudo-reality and pseudo-adjointness of Hamiltonians. Zbl 1058.81014 Ahmed, Zafar 2 2003 A pseudo-unitary ensemble of random matrices, PT-symmetry and the Riemann hypothesis. Zbl 1138.11038 Ahmed, Zafar; Jain, Sudhir R. 2 2006 An interesting model of quantal transmission. Zbl 1134.81348 Ahmed, Zafar 2 2006 Position-momentum uncertainty products. Zbl 1298.81125 Ahmed, Zafar; Yadav, Indresh 2 2014 Coherent perfect absorption with and without lasing in complex potentials. Zbl 1298.81508 Ahmed, Zafar 2 2014 The paradoxical zero reflection at zero energy. Zbl 1367.81046 Ahmed, Zafar; Sharma, Vibhu; Sharma, Mayank; Singhal, Ankush; Kaiwart, Rahul; Priyadarshini, Pallavi 2 2017 Real discrete spectrum in the complex non-PT-symmetric Scarf II potential. Zbl 1342.81131 Ahmed, Zafar; Nathan, Joseph Amal 2 2015 Spectral singularity and reflectionlessness in non-Hermitian (complex) Ginocchio potential. Zbl 1258.81035 Ghatak, Ananya; Nathan, Joseph Amal; Mandal, Bhabani Prasad; Ahmed, Zafar 2 2012 The simplest model of the zero-curvature eigenstate. Zbl 1286.81053 Ahmed, Zafar; Kesari, Swayam 2 2014 Unusual reflection from step barriers. Zbl 1072.81572 Ahmed, Zafar 1 1996 Quasi-bound state in supersymmetric quantum mechanics. Zbl 0984.81052 Ahmed, Zafar 1 2001 An ensemble of non-Hermitian Gaussian-random \(2\times 2\) matrices admitting the Wigner surmise. Zbl 1008.82003 Ahmed, Zafar 1 2003 \(\mathcal{PT}\)-symmetry in conventional quantum physics. Zbl 1114.81033 Ahmed, Zafar 1 2006 Bound state eigenfunctions need to vanish faster than \(|x|^{-3/2}\). Zbl 1344.81065 Ahmed, Zafar 1 2016 Dirichlet spectra of the paradigm model of complex PT-symmetric potential: \(V(x)=-(ix)^N\). Zbl 1373.81237 Ahmed, Zafar; Kumar, Sachin; Sharma, Dhruv 1 2017 Accidental crossings of eigenvalues in the one-dimensional complex PT-symmetric Scarf-II potential. Zbl 1364.81122 Ahmed, Zafar; Ghosh, Dona; Nathan, Joseph Amal; Parkar, Gaurang 1 2015 An ansatz for the eigenstates in \(\mathcal{PT}\)-symmetric quantum mechanics. Zbl 1236.81113 Ahmed, Zafar 1 2006 Reciprocity and unitarity in scattering from a non-Hermitian complex PT-symmetric potential. Zbl 1428.81129 Ahmed, Zafar 1 2013 Divergence of \(\langle {p}^{6}\rangle \) in discontinuous potential wells. Zbl 1396.81078 Ahmed, Zafar; Kumar, Sachin; Ghosh, Dona; Nathan, Joseph Amal 1 2018 Lines of force of the electric point dipole. Zbl 1267.78005 Ahmed, Zafar; Savita, Aditya Nandan 1 2013 Solvable models of an open well and a bottomless barrier: one-dimensional exponential potentials. Zbl 1390.81136 Ahmed, Zafar; Ghosh, Dona; Kumar, Sachin; Turumella, Nihar 4 2018 Divergence of \(\langle {p}^{6}\rangle \) in discontinuous potential wells. Zbl 1396.81078 Ahmed, Zafar; Kumar, Sachin; Ghosh, Dona; Nathan, Joseph Amal 1 2018 The paradoxical zero reflection at zero energy. Zbl 1367.81046 Ahmed, Zafar; Sharma, Vibhu; Sharma, Mayank; Singhal, Ankush; Kaiwart, Rahul; Priyadarshini, Pallavi 2 2017 Dirichlet spectra of the paradigm model of complex PT-symmetric potential: \(V(x)=-(ix)^N\). Zbl 1373.81237 Ahmed, Zafar; Kumar, Sachin; Sharma, Dhruv 1 2017 Revisiting double Dirac delta potential. Zbl 1344.81066 Ahmed, Zafar; Kumar, Sachin; Sharma, Mayank; Sharma, Vibhu 3 2016 Bound state eigenfunctions need to vanish faster than \(|x|^{-3/2}\). Zbl 1344.81065 Ahmed, Zafar 1 2016 A new solvable complex PT-symmetric potential. Zbl 1323.81096 Ahmed, Zafar; Ghosh, Dona; Nathan, Joseph Amal 4 2015 Real discrete spectrum in the complex non-PT-symmetric Scarf II potential. Zbl 1342.81131 Ahmed, Zafar; Nathan, Joseph Amal 2 2015 Accidental crossings of eigenvalues in the one-dimensional complex PT-symmetric Scarf-II potential. Zbl 1364.81122 Ahmed, Zafar; Ghosh, Dona; Nathan, Joseph Amal; Parkar, Gaurang 1 2015 Position-momentum uncertainty products. Zbl 1298.81125 Ahmed, Zafar; Yadav, Indresh 2 2014 Coherent perfect absorption with and without lasing in complex potentials. Zbl 1298.81508 Ahmed, Zafar 2 2014 The simplest model of the zero-curvature eigenstate. Zbl 1286.81053 Ahmed, Zafar; Kesari, Swayam 2 2014 Reciprocity and unitarity in scattering from a non-Hermitian complex PT-symmetric potential. Zbl 1428.81129 Ahmed, Zafar 1 2013 Lines of force of the electric point dipole. Zbl 1267.78005 Ahmed, Zafar; Savita, Aditya Nandan 1 2013 New features of scattering from a one-dimensional non-Hermitian (complex) potential. Zbl 1237.81076 Ahmed, Zafar 3 2012 Spectral singularity and reflectionlessness in non-Hermitian (complex) Ginocchio potential. Zbl 1258.81035 Ghatak, Ananya; Nathan, Joseph Amal; Mandal, Bhabani Prasad; Ahmed, Zafar 2 2012 Zero width resonance (spectral singularity) in a complex \(PT\)-symmetric potential. Zbl 1181.81102 Ahmed, Zafar 7 2009 Eigenvalue problems for the complex PT-symmetric potential \(V(x)=igx\). Zbl 1203.81071 Ahmed, Zafar 3 2007 A pseudo-unitary ensemble of random matrices, PT-symmetry and the Riemann hypothesis. Zbl 1138.11038 Ahmed, Zafar; Jain, Sudhir R. 2 2006 An interesting model of quantal transmission. Zbl 1134.81348 Ahmed, Zafar 2 2006 \(\mathcal{PT}\)-symmetry in conventional quantum physics. Zbl 1114.81033 Ahmed, Zafar 1 2006 An ansatz for the eigenstates in \(\mathcal{PT}\)-symmetric quantum mechanics. Zbl 1236.81113 Ahmed, Zafar 1 2006 Reflectionless potentials and \({\mathcal{PT}}\) symmetry. Zbl 1081.81108 Ahmed, Zafar; Bender, Carl M.; Berry, M. V. 5 2005 Handedness of complex PT-symmetric potential barriers. Zbl 1123.81417 Ahmed, Zafar 7 2004 Gaussian ensemble of 2\(\times\)2 pseudo-Hermitian random matrices. Zbl 1039.82018 Ahmed, Zafar; Jain, Sudhir R. 9 2003 P-, T-, PT-, and CPT-invariance of Hermitian Hamiltonians. Zbl 1011.81010 Ahmed, Zafar 8 2003 \(C\)-, \(PT\)- and \(CPT\)-invariance of pseudo-Hermitian Hamiltonians. Zbl 1046.81016 Ahmed, Zafar 3 2003 Pseudo-reality and pseudo-adjointness of Hamiltonians. Zbl 1058.81014 Ahmed, Zafar 2 2003 An ensemble of non-Hermitian Gaussian-random \(2\times 2\) matrices admitting the Wigner surmise. Zbl 1008.82003 Ahmed, Zafar 1 2003 Pseudo-Hermiticity of Hamiltonians under gauge-like transformation: real spectrum of non-Hermitian Hamiltonians. Zbl 0990.81029 Ahmed, Zafar 32 2002 Real and complex discrete eigenvalues in an exactly solvable one-dimensional complex PT-invariant potential. Zbl 0984.81043 Ahmed, Zafar 62 2001 Pseudo-Hermiticity of Hamiltonians under imaginary shift of the coordinate: real spectrum of complex potentials. Zbl 1020.81016 Ahmed, Zafar 19 2001 Energy band structure due to a complex, periodic, PT-invariant potential. Zbl 0969.81667 Ahmed, Zafar 14 2001 Quasi-bound state in supersymmetric quantum mechanics. Zbl 0984.81052 Ahmed, Zafar 1 2001 Unusual reflection from step barriers. Zbl 1072.81572 Ahmed, Zafar 1 1996 all cited Publications top 5 cited Publications all top 5 Cited by 201 Authors 14 Yan, Zhenya 8 Ahmed, Zafar 8 Bagchi, Bijan Kumar 7 Mustafa, Omar 6 Cannata, Francesco 6 Lévai, Géza 6 Mandal, Bhabani Prasad 6 Znojil, Miloslav 5 Khare, Avinash 5 Mazharimousavi, S. Habib 5 Mostafazadeh, Ali 5 Quesne, Christiane 5 Sever, Ramazan 5 Wen, Zichao 4 Cooper, Fred 4 Dawson, John F. 4 Roy, Pinaki 4 Song, Jin 3 Andrianov, Alexander A. 3 Bender, Carl M. 3 Caliceti, Emanuela 3 Chen, Yong 3 Ghosh, Dona 3 Jain, Sudhir Ranjan 3 Kumar, Sachin 3 Maamache, Mustapha 3 Marinello, Gabriel 3 Pato, Mauricio Porto 3 Saxena, Avadh Behari 3 Sinha, Anjana 3 Yang, Jianke 3 Zhou, Zijian 2 Banerjee, Abhijit 2 Comech, Andrew 2 Ghatak, Ananya 2 Jia, Chunsheng 2 Jones, Hugh F. 2 Kamenshchik, Aleksandr Yur’evich 2 Koussa, Walid 2 Kuzhel, Sergei 2 Liu, Jianyi 2 Malomed, Boris A. 2 Mana, Naima 2 Mandal, Raka Dona Ray 2 Mihaila, Bogdan 2 Nathan, Joseph Amal 2 Nixon, Sean D. 2 Solombrino, Luigi 2 Yeşiltaş, Özlem 2 Zezyulin, Dmitry A. 1 Abusini, M. 1 Aktaş, Metin 1 Al-Jamel, Ahmed 1 Arévalo, Edward 1 Babione, Sarah E. 1 Berkdemir, Ayse 1 Berkdemir, Cüneyt 1 Bhardwaj, S. B. 1 Bhattacharya, Koushik 1 Bíla, Hynek 1 Borisov, Denis Ivanovich 1 Brandão, P. A. 1 Brody, Dorje C. 1 Brown, Katherine L. 1 Büyükkılıç, Fevzi 1 Cao, Kui 1 Castro Perelman, Carlos 1 Charalampidis, Efstathios G. 1 Chen, Yaming 1 Chen, Yong 1 Chernyavskiĭ, Aleksandr Grigor’evich 1 Chou, Hsiang Shun 1 Christodoulides, Demetrios N. 1 Cojuhari, Petru A. 1 Cruz y Cruz, Sara 1 Das, Tapan Kumar 1 Debnath, Swapna 1 Dehghani, Alireza 1 Demirhan, Doǧan 1 Deng, Xiaogang 1 Diago-Cisneros, L. 1 Diao, Yongfeng 1 Djeghiour, Oum Kaltoum 1 Dong, Huanhe 1 Dong, Shihai 1 Du, Qian 1 Egrifes, Harun 1 El-Ganainy, Ramy 1 El-Nasser, H. 1 Fakhri, Hossein 1 Fernández-Anaya, Guillermo 1 Fernández, Francisco Marcelo 1 Fernández, Viviano 1 Ferreira, Erasmo M. 1 Flores-Godoy, José Job 1 Gangopadhyaya, Asim 1 Gasparian, Vladimir 1 Geyer, Hendrik B. 1 Gori, Franco 1 Graffi, Sandro ...and 101 more Authors all top 5 Cited in 33 Serials 21 Journal of Mathematical Physics 19 International Journal of Theoretical Physics 17 Modern Physics Letters A 12 Journal of Physics A: Mathematical and Theoretical 11 European Journal of Physics 9 Czechoslovak Journal of Physics 6 Physics Letters. A 6 Physica D 5 Chaos 4 International Journal of Modern Physics A 4 Annals of Physics 2 International Journal of Modern Physics D 2 International Journal of Geometric Methods in Modern Physics 2 Communications in Theoretical Physics 1 Modern Physics Letters B 1 Computers & Mathematics with Applications 1 Mathematical Methods in the Applied Sciences 1 Physica A 1 Ukrainian Mathematical Journal 1 Wave Motion 1 Chaos, Solitons and Fractals 1 Journal of Geometry and Physics 1 Fortschritte der Physik 1 Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Serie IX. Rendiconti Lincei. Matematica e Applicazioni 1 Advances in Applied Clifford Algebras 1 Journal of Mathematical Chemistry 1 Nonlinear Dynamics 1 Communications in Nonlinear Science and Numerical Simulation 1 Physical Review Letters 1 Quantum Information Processing 1 SIGMA. Symmetry, Integrability and Geometry: Methods and Applications 1 Symmetry 1 Annalen der Physik all top 5 Cited in 26 Fields 120 Quantum theory (81-XX) 39 Partial differential equations (35-XX) 12 Operator theory (47-XX) 12 Statistical mechanics, structure of matter (82-XX) 11 Ordinary differential equations (34-XX) 10 Mechanics of particles and systems (70-XX) 8 Optics, electromagnetic theory (78-XX) 5 Linear and multilinear algebra; matrix theory (15-XX) 4 Probability theory and stochastic processes (60-XX) 3 Number theory (11-XX) 3 Special functions (33-XX) 3 Dynamical systems and ergodic theory (37-XX) 3 Relativity and gravitational theory (83-XX) 2 Nonassociative rings and algebras (17-XX) 2 Functional analysis (46-XX) 2 Manifolds and cell complexes (57-XX) 2 Numerical analysis (65-XX) 2 Computer science (68-XX) 1 General and overarching topics; collections (00-XX) 1 Algebraic geometry (14-XX) 1 Group theory and generalizations (20-XX) 1 Topological groups, Lie groups (22-XX) 1 Functions of a complex variable (30-XX) 1 Global analysis, analysis on manifolds (58-XX) 1 Mechanics of deformable solids (74-XX) 1 Mathematics education (97-XX) Citations by Year