Academic Profile

Academic Position (1989 - 2022) : University of Calcutta

Research Interests

Many-body quantum systems

Selected Publications

1) P. Nandi, S. Bhattacharyya and S. Dasgupta, Detection of quantum phase boundary at finite temperatures in integrable spin models, Phys. Rev. Lett. 128, 247201 (2022)

2) S. Dhar and S. Dasgupta, Measurement-Induced Phase Transition in a Quantum Spin System, Phys. Rev. A 93, 050103(R) (2016)

3) S. Bhattacharyya, A. Das, S. Dasgupta, Transverse Ising Chain under Periodic Instantaneous Quenches: Dynamical Many-Body Freezing and Emergence of Slow Solitary Oscillations, Phys. Rev. B 86, 054410 (2012)

4) R. Singh, S. Dasgupta and S. Sinha, Chimera order in spin systems, EPL 95, 10004 (2011)

5) S. Dasgupta, R. K. Pan, and S. Sinha, Phase of Ising spins on modular networks analogous to social polarization, Phys. Rev. E 80, 025101(R) (2009)

6) A. K. Chandra and S. Dasgupta, Floating Phase in 2D ANNNI Model, J. Phys. A 40, 6251-6265 (2007)

7) A. K. Chandra and S. Dasgupta, Floating phase in the one-dimensional transverse axial next-nearest neighbour Ising model, Phys. Rev. E 75, 021105 (2007)

8) P. Sen, S. Dasgupta, A. Chatterjee, P. A. Sreeram, G. Mukherjee and S. S. Manna, Small-world properties of the Indian Railway Network, Phys. Rev. E. 67, 036106 (2003)

9) S. Dasgupta and S. Sengupta, Antipiezoelectricity in fluorite structure : Macroscopic quadrupole moment distribution, Solid State Commun. 62, 789-90 (1987)