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Subhasis Sinha

PhD:
IMSc/Madras University, (2001)
Area of Interest:
Condensed Matter Physics (Theory)
Email ID:
subhasis
Research Interest:

Quantum phase transition and exotic phases of ultracold atoms in an optical  lattice, Bose-Einstein condensation, Nanostructures (Quantum Dot), Non-equilibrium quantum systems.

Academic Qualification:
  • Ph.D (Theoretical physics), The Institute of Mathematical Sciences, Chennai/ Madras University, 2001
  • M.Sc, The Institute of Mathematical Sciences, Chennai/ Anna University, 1996
  • B.Sc, Presidency College/ Calcutta University, 1994
Positions:
  • 2000 - 2002: post-doctoral fellow in the group of at Ecole Normale  Superieure(Paris).
  • 2002, March - 2003, April : Visiting scientist at Laboratoire de Physique Theorique et Modeles Statistiques (Orsay,France).
  • 2003 - 2005: Post doctoral fellow at 'Max Planck Institute for complex systems' (Dresden).
  • 2005, May - 2006, Frebruary: Post doctoral fellow at University of Stuttgart
  • 2006 - 2008: Faculty fellow at S. N. Bose National Centre for Basic Sciences (Kolkata).
  • 2008 - Present: Assistant Professor at IISER- Kolkata.
Awards and Honors:

Best thesis award of Institute of Mathematical Sciences in the year 2002-2003.

List of Publications:
  • Semiclassical Analysis of collective excitations in the Bose-Einstein condensate, Subhasis Sinha, Phys. Rev. A  55, 4325 (1997).
  • Quantum corrections to the thermodynamic potential of trapped bosons, Subhasis Sinha, Phys. Rev. A 58, 3159 (1998).
  • Collective excitations in Quantum Dot, Subhasis Sinha, cond-mat 9912079, Physica E 8, 24(2000).
  • Edge magnetoplasmon excitations in a Quantum Dot in high magnetic fields, Subhasis Sinha, cond-mat 9912080, Eur. Phys. J. B 22, 381 (2001).
  • Shell effects in quantum dots: A semiclassical approach, Subhasis Sinha, R. Shankar and M. V. N. Murthy, Phys. Rev. B 62, 10896(2000)
  • Rotating fermions in two dimensions: Thomas Fermi approach, Sankalpa Ghosh, M. V. N. Murthy and Subhasis Sinha,
  • Dynamic instability of a rotating Bose-Einstein condensate, Subhasis Sinha, Yvan Castin, cond-mat 0101292, Physical Review Letters, 87, 190402 (2001).
  • Splitting between quadrupole modes of dilute quantum gas in a two dimensional anisotropic trap, T. K. Ghosh and Subhasis Sinha, cond-mat 0102258, The European Physical Journal D 19, 371 (2002).
  • Two component Fermi vapour in a two dimensional rotating trap, Sankalpa Ghosh, M. V. N. Murthy and Subhasis Sinha, cond-mat 0105252, Phys. Rev. A  64, 053603 (2001).
  • Critical rotation of a harmonically trapped Bose gas, P. Rosenbusch, D. S. Petrov, S. Sinha, F. Chevy, V. Bretin, Y. Castin, G. Shlyapnikov and J. Dalibard, cond-mat/0201568, Phys. Rev. Lett. 88, 250403 (2002).
  • Solitonic transmission of Bose-Einstein matter waves, P. Leboeuf, N. Pavloff and S. Sinha.  cond-mat 0305714 , Phys. Rev. A.  68, 063608 (2003).
  • Density Wave and Supersolid Phases of Correlated Bosons with Long-range Interaction, Dmitry L. Kovrizhin, G. Venketeswara Pai, Subhasis Sinha. cond-mat 0410512, Europhys. Lett. 72, 162 (2005).
  • Two-dimensional Bose gas under extreme rotation, S. Sinha and G. V. Shlyapnikov, cond-mat 0412139, Phys. Rev. Lett. 94, 150401 (2005).
  • Friction and diffusion of matter-wave bright solitons, Subhasis Sinha, Alexander Yu. Cherny, Dmitry Kovrizhin, Joachim Brand, cond-mat 0506060, Phys. Rev. Lett. 96, 030406 (2006).
  • Dipolar gases in quasi one-dimensional geometries, S. Sinha, L. Santos, cond-mat 0705166, Phys. Rev. Lett. 99, 140406, (2007)
  • Phases and collective modes of a hardcore Bose-Fermi mixture in an optical  lattice, S. Sinha and K. Sengupta, Phys. Rev. B 79, 115124 (2009).
  • Structural transitions in a crystalline bilayer: the case of  Lennard-Jones and Gaussian core models Tamoghna Das, Surajit Sengupta and Subhasis Sinha, J. Phys, Condens Matter, 21, 195408 (2009).
  • Nonperturbative approach to quantum Brownian motion, Subhasis Sinha and P. A. Sreeram, Phys. Rev. E 79, 051111(2009).
  • Dissipative dynamics of a harmonic oscillator: A nonperturbative approach, Jishad Kumar, S. Sinha, and P. A. Sreeram,  Phys. Rev. E 80, 031130 (2009).
  • Dissipative quantum systems and the heat capacity , S. Dattagupta, Jishad Kumar, S. Sinha, and P. A. Sreeram, Phys. Rev. E 81, 031136 (2010).
  • Superfluid-insulator transition of ultracold bosons in an optical lattice in the presence of a synthetic magnetic field, S. Sinha and K. Sengupta, Europhys. Lett. 93, 30005 (2011).
  • Trapped Two-Dimensional Condensates with Synthetic Spin-Orbit Coupling, Subhasis Sinha, Rejish Nath and Luis Santos, Phys. Rev. Lett.  107, 270401 (2011).