Physics

• VV Narlikar Best Thesis, 2013
• NR Sen Young Researcher, 2015

Journal
• Hamiltonian form of Carroll gravity Sengupta S. By Physical Review D 107 - (2023)
• 4D Einstein-Gauss-Bonnet gravity from non-Einsteinian phase Sengupta S. By Journal of Cosmology and Astroparticle Physics 2022 020- (2022)
• Two-dimensional gravity from vanishing metrical dimensions Gera S., Sengupta S. By Physical Review D 104 124050- (2021)
• A finite model of elementary charge Gera S., Sengupta S. By Physical Review D 104 044057- (2021)
• Magnetic monopole as a spacetime defect Gera S., Sengupta S. By Physical Review D 104 044038- (2021)
• Gravity theory with a dark extra dimension Sengupta S. By Physical Review D 101 104040- (2020)
• Taming Dirac strings and timelike loops in vacuum gravity Sengupta S. By Physical Review D 99 124038- (2019)
• Time travel in vacuum spacetimes Sengupta S. By Physical Review D 97 124038- (2018)
• A degenerate extension of the Schwarzschild exterior Kaul R., Sengupta S. By Phys. Rev. D 96, 104011 (2017) - (2017)
• Spacetime-bridge solutions in vacuum gravity Sengupta S. By Phys. Rev. D 96, 104031 (2017) - (2017)
• Degenerate spacetimes in first order gravity Romesh K. Kaul, Sandipan Sengupta By Phys. Rev. D 93, 084026 - (2016)
• New solutions in pure gravity with degenerate tetrads Kaul R. K., Sengupta S. By Physical Review D 94 94, 104047- (2016)
• Dark Energy From The Gravity Vacuum Sandipan Sengupta By Class. Quantum Grav. 32, 195005 - (2015)
• Asymptotic Flatness and Quantum Geometry Sandipan Sengupta By Class. Quantum Grav. 31, 085005 - (2014)
• Torsional instanton effects in quantum gravity Romesh K. Kaul, Sandipan Sengupta By Phys. Rev. D 90, 124081 - (2014)
• Gravity Asymptotics with Topological Parameters Sandipan Sengupta By Phys. Rev. D 88, 024031 - (2013)
• Quantum geometry with a nondegenerate vacuum: a toy model Sandipan Sengupta By Phys. Rev. D 88, 064016 - (2013)
• Topological parameters in gravity Romesh K. Kaul, Sandipan Sengupta By Phys. Rev. D 85, 024026 - (2012)
• Canonical supergravity with Barbero-Immirzi parameter Sandipan Sengupta, Romesh K. Kaul By Phys.Rev.D81:024024 - (2010)
• Quantum realizations of Hilbert-Palatini second-class constraints Romesh K. Kaul, Sandipan Sengupta By Class.Quant.Grav.27:145008 - (2010)
• Topological Interpretation of Barbero-Immirzi Parameter Ghanashyam Date, Romesh K. Kaul, Sandipan Sengupta By Phys.Rev.D79:044008 - (2009)
Conferences
• Extra dimension(s) of vanishing proper length: A non-Einsteinian phase in gravity and the implications for the dark matter problem Sengupta S. By International Conference on Cosmology & Gravity (CosmoGrav22) - (2022)
• Session chair Sengupta S. By IEMPHYS-21 : International Conference on Advanced Physics - (2021)
• Pseudo-Scalars from `Dark' Extra Dimensions and Their Possible Role in the `Dark Matter' Problem Sengupta S. By Less Travelled Path of Dark Matter: Axions and Primordial Black Holes (ONLINE) - (2020)
• Schwarzschild phase without a black hole (Accepted, In press) Sengupta S. By 15th Marcel Grossmann Meeting, MG 15 - (2019)
• Session Chair, Classical Gravity Sengupta S. By 30th IAGRG meeting - (2019)
• Chair of a session Sengupta S. By Gravity at Different Length Scales - (2019)
• Time travel using degenerate metrics (Accepted, In press) Sengupta S. By 15th Marcel Grossmann Meeting, Rome, Italy - (2019)
• Schwarzschild phase without a black hole Sengupta S. By 15th Marcel Grossmann Meeting on Recent Developments in Theoretical and Experimental General Relativity, Astrophysics, and Relativistic Field Theories, MG 2018 - (2018)
• 29th IAGRG meeting Sengupta S. By - (2017)
Others
• Who needs quantum gravity? Sengupta S. By - (2021)

Principal Investigator

• Role of Topological Parameters in Quantum Gravity and Potential Phenomenological Ramifications
• Role of Degenerate Spacetimes in Classical and Quantum Gravity