nLab Kumar S. Gupta

Kumar S. Gupta is a theoretical physicist from Kolkatta, India. His main interests are black holes (especially the study of quasinormal modes), field theory on noncommutative space-times, self-adjoint extensions in quantum mechanics, graphene.

• web

Selected writings

On renormalization in quantum mechanics:

• Kumar S. Gupta, Sarada G. Rajeev, Renormalization in quantum mechanics, Phys. Rev. D 48 (1993) 5940 [doi:10.1103/PhysRevD.48.5940]

On quasinormal modes of Schwarzschild black holes

• Sayan K. Chakrabarti, Kumar S. Gupta, Asymptotic quasinormal modes of d-dimensional Schwarzschild black hole with Gauss-Bonnet correction, Int. J. Mod. Phys. A 21 (2006) 3565-3574 [hep-th/0506133, doi:10.1142/S0217751X06031612]

On quantum anomalies and renormalization in solid state physics:

• Kumar S. Gupta, Amilcar Queiroz, Anomalies and renormalization of impure states in quantum theories, Modern Physics Letters A29 13 (2014) [arxiv/1306.5570 doi:10.1142/S0217732314500643]

On non-perturbative quantum field theory in condensed matter theory and quantum information theory (topological quantum computation):

• Alvaro Ferraz, Kumar S. Gupta, Gordon W. Semenoff, Pasquale Sodano (eds.): Strongly Coupled Field Theories for Condensed Matter and Quantum Information Theory, Springer Proceedings in Physics 239, Springer (2020) [doi:10.1007/978-3-030-35473-2, pdf]

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