Dr. Ahsan Zeb

Webpage: https://phys.qau.edu.pk/ahsanzeb/

Education and Work

PhD: University of Cambridge, 2010-2013
Cavendish Lab, Theory of Condensed Matter, Emilio Artacho's group

Post-doc: University of St. Andrews, 2016-2018
Department of Physics and Astronomy, Jonathan Keeling's group

Faculty: Quaid-i-Azam University, Islamabad, 2018-present
Currently, Associate Professor at Department of Physics

Earlier Education and Work:
MSc & MPhil Physics: Quaid-i-Azam University, Islamabad, 2004-2008
Scientific Officer: National Centre for Physics, Islamabad, 2007-2018

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Research Interests: Quantum Optics & Condensed Matter Physics

Quantum Dynamics

Driven-dissipative systems, Non-Hermitian systems, Floquet systems, Many-body localisation, Quantum quench, Dynamic phase transitions, Response functions

Matter-Light interaction

Organic polaritons, Polariton condensation & lasing, Dicke superradiance

Emergent Behaviour

Strongly correlated systems, Disordered systems; Topological Systems: Topological Insulators, semimetals, etc; Emergent Dirac, Weyl, and Majorana fermions; Photon blockade, Dissipative phase transitions

Methods & Tools Development

Analytical solutions & Efficient numerical methods and algorithms for microscopic models of quantum many-body systems

• Semimetal and topological insulator in perovskite iridates
  JM Carter, VV Shankar, MA Zeb, HY Kee - Physical Review B—Condensed Matter and Materials Physics 85 (11), 115105, 2012 - Citations: 306
• Electronic Stopping Power in Gold: The Role of Electrons and the Anomaly
  MA Zeb, J Kohanoff, D Sánchez-Portal, A Arnau, JI Juaristi, E Artacho - Physical review letters 108 (22), 225504, 2012 - Citations: 164
• Interplay between spin-orbit coupling and Hubbard interaction in SrIrO and related perovskite oxides
  MA Zeb, HY Kee - Physical Review B—Condensed Matter and Materials Physics 86 (8), 085149, 2012 - Citations: 152
• Exact states and spectra of vibrationally dressed polaritons
  MA Zeb, PG Kirton, J Keeling - ACS Photonics 5 (1), 249-257, 2018 - Citations: 125
• Chiral tunneling through a time-periodic potential in monolayer graphene
  MA Zeb, K Sabeeh, M Tahir - Physical Review B—Condensed Matter and Materials Physics 78 (16), 165420, 2008 - Citations: 104
• Electronic stopping power of H and He in Al and LiF from first principles
  MA Zeb, J Kohanoff, D Sánchez-Portal, E Artacho - Nuclear Instruments and Methods in Physics Research Section B: Beam …, 2013 - Citations: 41
• Incoherent charge transport in an organic polariton condensate
  MA Zeb, PG Kirton, J Keeling - Physical Review B 106 (19), 195109, 2022 - Citations: 16
• Efficient linear scaling mapping for permutation symmetric Fock spaces
  MA Zeb - Computer Physics Communications 276, 108347, 2022 - Citations: 10
• Analytical solution of the disordered Tavis-Cummings model and its Fano resonances
  MA Zeb - Physical Review A 106 (6), 063720, 2022 - Citations: 5
• Fano resonance in the strong-coupling regime
  MA Zeb - Phys. Rev. B 106 (15), 155134, 2022 - Citations: 4
• Spin-orbit coupling in organic microcavities: lower polariton splitting, triplet polaritons and disorder induced dark states relaxation
  MA Zeb, S Masood - Phys. Rev. A 106 (03), 033709, 2022 - Citations: 4
• Erratum: Chiral tunneling through a time-periodic potential in monolayer graphene [Phys. Rev. B 78, 165420 (2008)]
  MA Zeb, K Sabeeh, M Tahir - Physical Review B—Condensed Matter and Materials Physics 79 (8), 089903, 2009 - Citations: 4
• Jahn-Teller effect with rigid octahedral rotations in perovskites
  R Naheed, MA Zeb, K Sabeeh - Phys. Rev. B 109 (11), 115138, 2024 - Citations: 3
• Tailoring spin-orbit Mott insulators via designed superlattices
  J Matsuno, T Takayama, M Zeb, HY Kee, H Takagi - APS March Meeting Abstracts 2013, A19. 014, 2013 - Citations: 0
• Comment on" Chiral tunnelling and the Klein paradox in graphene"
  MA Zeb - arXiv preprint arXiv:1010.2513, 2010 - Citations: 0
• Comment on" Photon-assisted electron transport in graphene: Scattering theory analysis"
  MA Zeb - arXiv preprint arXiv:1010.2097, 2010 - Citations: 0