Physics

No Record Found.

Journal
• Analog Raychaudhuri equation in mechanics Bhatt R. P., Roy A. , Kar S. By Resonance Journal of Science Education 28 389-410 (2023)
• A simple analytic example of the gravitational wave memory effect Chakraborty I., Kar S. By European Physical Journal Plus 137 - (2022)
• Wormholes with a warped extra dimension? Kar S. By Journal of General Relativity and Gravitation 54 1-18 (2022)
• Curious variant of the Bronnikov-Ellis spacetime Kar S. By Physical Review D 105 - (2022)
• Generalized Hayward spacetimes: Geometry, matter, and scalar quasinormal modes Dutta Roy P., Kar S. By Physical Review D 106 - (2022)
• Kundt geometries and memory effects in the Brans Dicke theory of gravity Siddhant S., Chakraborty I., Kar S. By European Physical Journal C 81 - (2021)
• A new model with solitary waves: solution, stability and quasinormal modes Basak S., Dutta Roy P. , Kar S. By European Physical Journal Plus 136 1-19 (2021)
• Geodesic congruences in exact plane wave spacetimes and the memory effect Chakraborty I., Kar S. By Physical Review D 101 0640221-06402213 (2020)
• Physics of a particle on a rotating hoop: experiment and theory Lodha K., Roy A. , Kar S. By Resonance, journal of science education 25 1261-1281 (2020)
• Physics of a Particle on a Rotating Hoop: Experiment and Theory Lodha K., Roy A., Kar S. By Resonance 25 1261-1281 (2020)
• Memory effects in Kundt wave spacetimes Chakraborty I., Kar S. By Physics Letters B 808 1356111-1356116 (2020)
• Gravitational waves from quasinormal modes of a class of Lorentzian wormholes Aneesh S., Bose S. , Kar S. By Physical Review D 97 1-12 (2018)
• Perturbations of spiky strings in AdS3 Bhattacharya S., Panigrahi K. L., Kar S. By Journal of High Energy Physics 6 1-18 (2018)
• Gravitational lensing by scalar-tensor wormholes and the energy conditions Shaikh R., Kar S. By Physical Review D 96 0440371-04403713 (2017)
• Born-Infeld gravity with a Brans-Dicke scalar Jana S., Kar S. By Physical Review D 96 0240501-02405013 (2017)
• Wormholes, the weak energy condition and scalar-tensor gravity Shaikh R., Kar S. By Physical Review D 94 0240111-02401112 (2016)
• Born-Infeld cosmology with scalar Born-Infeld matter Jana S., Kar S. By Physical Review D 94 0640161-06401612 (2016)
• Born-Infeld gravity coupled to Born-Infeld electrodynamics Soumya Jana and Sayan Kar By Physical Review D 92 - (2015)
• Higher order geometric flows on three dimensional locally homogeneous spaces Sanjit Das, Kartik Prabhu and Sayan Kar By Journal of Mathematical Physics 54 - (2013)
• Confinement of test particles in warped spacetimes Suman Ghosh, Hemwati Nandan and Sayan Kar By Physical Review D 82 - (2010)
• Kinematics of deformable media Anirvan DasGupta, Hemwati Nandan and Sayan Kar By Annals of Physics 323 - (2008)
• Can degenerate bound states occur in non-relativistic quantum mechanics? Sayan Kar and Rajesh Parwani By Europhysics Letters 80 - (2007)
• Scalar kinks and fermion localisation in warped spacetimes Ratna Koley and Sayan Kar By Classical and Quantum Gravity 22 - (2005)
• A simple experiment on diffraction of light using liquid surface waves Tarun K Barik, Anushree Roy and Sayan Kar By American Journal of Physics 73 - (2005)
• Can extra dimensional effects replace dark matter? Supratik Pal, Somnath Bharadwaj and Sayan Kar By Physics Letters B 609 - (2005)
• Cosmology with decaying tachyon matter A. Das, Shashikant Gupta, Tarun Deep Saini and Sayan Kar By Physical Review D 72 - (2005)
• Traversable wormholes with arbitrarily small energy condition violations Matt Visser, Sayan Kar and Naresh Dadhich By Physical Review Letters 90 - (2003)
• Does a Kalb Ramond field make spacetime optically active Sayan Kar, Parthasarathi Majumdar, Soumitra SenGupta and Aninda Sinha By European Physical Journal C 23 - (2002)
• Geometry of RG flows in theory space Sayan Kar By Physical Review D 64 - (2001)
• Focusing of timelike worldsheets in a theory of strings Sayan Kar By Physical Review D 55 - (1997)
• Evolving wormholes and the weak energy condition Sayan Kar By Physical Review D 49 - (1994)
• Lorentzian wormholes in Einstein Gauss Bonnet theory Biplab Bhawal and Sayan Kar By Physical Review D 46 - (1994)

Principal Investigator

• KINEMATICS OF FLOWS IN DIVERSE CONTEXTS
• GAUGE GRAVITY DUALITY AND D BRANE DYNAMICS
• Aspects of Self-Gravitating Systems, Self-Interacting Scalar Fields and Viable Modifications of Einsteins Theory of Gravity: A Theoretical Study, Symmetries, Physical Insights and Possibilities

Co-Principal Investigator

• Semiclassical strings in Ads/CFT