Browse by Fellow

Das, Sumit R. ; Sengupta, Krishnendu (2012) Non-equilibrium dynamics of O(N) nonlinear sigma models: a large-N approach Journal of High Energy Physics, 2012 (9). 72_1-72_16. ISSN 1126-6708

Maiti, M. ; Saha, K. ; Sengupta, K. (2012) Graphene: junctions and STM spectra International Journal of Modern Physics B, 26 (21). 1242002_1-1242002_38. ISSN 0217-9792

Kolodrubetz, M. ; Pekker, D. ; Clark, B. ; Sengupta, K. (2012) Nonequilibrium dynamics of bosonic mott insulators in an electric field Physical Review B: Condensed Matter and Materials Physics, 85 (10). 100505_1-100505_5. ISSN 1098-0121

Dutta, T. ; Mukherjee, M. ; Sengupta, K. (2012) Nonequilibrium phonon dynamics in trapped-ion systems Physical Review A, 85 (6). 063401_1-063401_5. ISSN 1050-2947

Dutta, Anirban ; Trefzger, C. ; Sengupta, K. (2012) Projection operator approach to the Bose-Hubbard model Physical Review B: Condensed Matter and Materials Physics, 86 (8). 085140_1-085140_10. ISSN 1098-0121

Modak, S. ; Sengupta, K. ; Sen, Diptiman (2012) Spin injection into a metal from a topological insulator Physical Review B: Condensed Matter and Materials Physics, 86 (20). 205114_1-205114_6. ISSN 1098-0121

Mandal, Saptarshi ; Saha, Kush ; Sengupta, K. (2012) Superfluid-insulator transition of two-species bosons with spin-orbit coupling Physical Review B: Condensed Matter and Materials Physics, 86 (15). 155101_1-155101_12. ISSN 1098-0121

Mandal, S. ; Bhattacharjee, Subhro ; Sengupta, K. ; Shankar, R. ; Baskaran, G. (2011) Confinement-deconfinement transition and spin correlations in a generalized Kitaev model Physical Review B: Condensed Matter and Materials Physics, 84 (15). 155121_1-155121_9. ISSN 1098-0121

Polkovnikov, Anatoli ; Sengupta, Krishnendu ; Silva, Alessandro ; Vengalattore, Mukund (2011) Colloquium: nonequilibrium dynamics of closed interacting quantum systems Reviews of Modern Physics, 83 (3). pp. 863-883. ISSN 0034-6861

Modak, Sanhita ; Mandal, Sudhansu ; Sengupta, K. (2011) Fermionic Chern-Simons theory of SU(4) fractional quantum Hall effect Physical Review B: Condensed Matter and Materials Physics, 84 (16). 165118_1-165118_5. ISSN 1098-0121

Paul, I. ; Cano, A. ; Sengupta, K. (2011) Magnetoelastic effects in iron telluride Physical Review B: Condensed Matter and Materials Physics, 83 (11). 115109_1-115109_5. ISSN 1098-0121

Sensarma, Rajdeep ; Sengupta, K. ; Sarma, Das S. (2011) Momentum-resolved optical lattice modulation spectroscopy for bosons in optical lattices Physical Review B: Condensed Matter and Materials Physics, 84 (8). 081101_1- 081101_4. ISSN 1098-0121

Hikichi, T. ; Suzuki, S. ; Sengupta, K. (2011) Non-adiabatic quench dynamics near anisotropic quantum critical point Journal of Physics: Conference Series, 297 (1). 012020. ISSN 1742-6588

Trefzger, C. ; Sengupta, K. (2011) Nonequilibrium dynamics of the Bose-Hubbard model: a projection-operator approach Physical Review Letters, 106 (9). 095702_1-095702_4. ISSN 0031-9007

Graβ, T. ; Saha, K. ; Sengupta, K. ; Lewenstein, M. (2011) Quantum phase transition of ultracold bosons in the presence of a non-Abelian synthetic gauge field Physical Review A, 84 (5). 053632_1-053632_9. ISSN 1050-2947

Modak, S. ; Tsai, S-W. ; Sengupta, K. (2011) Renormalization group approach to spinor Bose-Fermi mixtures in a shallow optical lattice Physical Review B: Condensed Matter and Materials Physics, 84 (13). 134508_1-134508_8. ISSN 1098-0121

Saha, K. ; Paul, I. ; Sengupta, K. ; Garg, Alka B. ; Mittal, R. ; Mukhopadhyay, R. (2011) STM spectroscopy of impurity doped Graphene AIP Conference Proceedings, 1349 . pp. 19-22. ISSN 1551-7616

Saha, K. ; Das, Sourin ; Sengupta, K. ; Sen, Diptiman (2011) Spin-polarized STM spectra of Dirac electrons on the surface of a topological insulator Physical Review B: Condensed Matter and Materials Physics, 84 (16). 165439_1-165439_7. ISSN 1098-0121

Sinha, S. ; Sengupta, K. (2011) Superfluid-insulator transition of ultracold bosons in an optical lattice in the presence of a synthetic magnetic field Europhysics Letters, 93 (3). p. 30005. ISSN 0295-5075

Sinha, S. ; Sengupta, K. (2011) Superfluid-insulator transition of ultracold bosons in an optical lattice in the presence of a synthetic magnetic field EPL (Europhysics Letters), 93 (3). p. 30005. ISSN 0295-5075

Saha, K. ; Sengupta, K. ; Ray, K. (2010) Ultracold bosons in a synthetic periodic magnetic field: Mott phases and reentrant superfluid-insulator transitions Physical Review B: Condensed Matter and Materials Physics, 82 (20). 205126_1-205126_9. ISSN 1098-0121

Saha, K. ; Paul, I. ; Sengupta, K. (2010) Unconventional scanning tunneling conductance spectra for graphene Physical Review B: Condensed Matter and Materials Physics, 81 (16). 165446_1-165446_6. ISSN 1098-0121

Hikichi, T. ; Suzuki, S. ; Sengupta, K. (2010) Slow quench dynamics of the Kitaev model: anisotropic critical point and effect of disorder Physical Review B: Condensed Matter and Materials Physics, 82 (17). 174305_1-174305_9. ISSN 1098-0121

Isakov, Sergei V. ; Sengupta, K. ; Kim, Yong Baek (2009) Bose-Hubbard model on a star lattice Physical Review B: Condensed Matter and Materials Physics, 80 (21). 214503_1-214503_9. ISSN 1098-0121

Isakov, Sergei V. ; Chien, Hong-Chi ; Wu, Jian-Jheng ; Chen, Yung-Chung ; Chung, Chung-Hou ; Sengupta, Krishnendu ; Kim, Yong Baek (2009) Commensurate lock-in and incommensurate supersolid phases of hard-core bosons on anisotropic triangular lattices Europhysics Letters, 87 (3). p. 36002. ISSN 0295-5075

Mondal, Shreyoshi ; Sengupta, K. ; Sen, Diptiman (2009) Theory of defect production in nonlinear quench across a quantum critical point Physical Review B: Condensed Matter and Materials Physics, 79 (4). 045128_1-045128_9. ISSN 1098-0121

Dupuis, N. ; Sengupta, K. (2008) Non-perturbative renormalization-group approach to lattice models The European Physical Journal B - Condensed Matter and Complex Systems, 66 (2). pp. 271-278. ISSN 1434-6028

Sengupta, K. ; Yakovenko, Victor M. (2008) Spontaneous spin accumulation in singlet-triplet Josephson junctions Physical Review Letters, 101 (18). 187003_1-187003_4. ISSN 0031-9007

Sen, Diptiman ; Sengupta, K. ; Mondal, Shreyoshi (2008) Defect production in nonlinear quench across a quantum critical point Physical Review Letters, 101 (1). 016806_1-016806_4. ISSN 0031-9007

Mondal, Shreyoshi ; Sen, Diptiman ; Sengupta, K. (2008) Quench dynamics and defect production in the Kitaev and extended Kitaev models Physical Review B: Condensed Matter and Materials Physics, 78 (4). 045101_1-045101_11. ISSN 1098-0121

Sengupta, K. ; Sen, Diptiman ; Mondal, Shreyoshi (2008) Exact results for quench dynamics and defect production in a two-dimensional model Physical Review Letters, 100 (7). 077204_1-077204_4. ISSN 0031-9007

Bhattacharjee, Subhro ; Maiti, Moitri ; Sengupta, K. (2007) Theory of tunneling conductance of graphene normal metal-insulator-superconductor junctions Physical Review B: Condensed Matter and Materials Physics, 76 (18). 184514_1-184514_7. ISSN 1098-0121

Dupuis, N. ; Sengupta, K. (2007) Non-perturbative renormalization group approach to zero-temperature Bose systems Europhysics Letters, 80 (5). p. 50007. ISSN 0295-5075

Maiti, Moitri ; Sengupta, K. (2007) Josephson effect in graphene superconductor/barrier/superconductor junctions: oscillatory behavior of the Josephson current Physical Review B: Condensed Matter and Materials Physics, 76 (5). 054513_1-054513_6. ISSN 1098-0121

Bernier, Jean-Sébastien ; Sengupta, K. ; Kim, Yong Baek (2007) Mott phases and superfluid-insulator transition of dipolar spin-three bosons in an optical lattice: implications for ⁵²Cr atoms Physical Review B: Condensed Matter and Materials Physics, 76 (1). 014502_1-014502_9. ISSN 1098-0121

Sengupta, K. ; Dupuis, N. ; Majumdar, P. (2007) Bose-Fermi mixtures in an optical lattice Physical Review A, 75 (6). 063625_1-063625_12. ISSN 1050-2947

Sengupta, K. (2007) Mott phases and quantum phase transitions of extended Bose–Hubbard models in 2+1 dimensions Physica A: Statistical Mechanics and Its Applications, 384 (1). pp. 115-121. ISSN 0378-4371

Bhattacharjee, Subhro ; Sengupta, K. (2006) Tunneling conductance of graphene NIS junctions Physical Review Letters, 97 (21). 217001_1-217001_4. ISSN 0031-9007

Bernier, Jean-Sébastien ; Sengupta, K. ; Kim, Yong Baek (2006) Biaxial spin-nematic phase of two-dimensional disordered rotor models and S=1 Bosons in optical lattices Physical Review B: Condensed Matter and Materials Physics, 74 (15). 155124_1-155124_7. ISSN 1098-0121

Isakov, S. V. ; Wessel, S. ; Melko, R. G. ; Sengupta, K. ; Kim, Yong Baek (2006) Hard-core Bosons on the Kagome lattice: valence-bond solids and their quantum melting Physical Review Letters, 97 (14). 147202_1-217001_4. ISSN 0031-9007

Sengupta, K. ; Roy, Rahul ; Maiti, Moitri (2006) Spin Hall effect in triplet chiral superconductors and graphene Physical Review B: Condensed Matter and Materials Physics, 74 (9). 094505_1-094505_10. ISSN 1098-0121

Sengupta, K. ; Isakov, S. V. ; Kim, Yong Baek (2006) Superfluid-insulator transitions of bosons on the kagome lattice at noninteger fillings Physical Review B: Condensed Matter and Materials Physics, 73 (24). 245103_1-245103_10. ISSN 1098-0121

Isacsson, A. ; Cha, Min-Chul ; Sengupta, K. ; Girvin, S. M. (2005) Superfluid-insulator transitions of two-species Bosons in an optical lattice Physical Review B: Condensed Matter and Materials Physics, 72 (18). 184507_1-184507_12. ISSN 1098-0121

Sengupta, K. ; Kim, Yong Baek (2005) One-dimensional itinerant ferromagnets with Heisenberg symmetry and the ferromagnetic quantum critical point Physical Review B: Condensed Matter and Materials Physics, 71 (17). 174427_1-174427_8. ISSN 1098-0121

Sengupta, K. ; Dupuis, N. (2005) Mott insulator to superfluid transition of ultracold bosons in an optical lattice near a Feshbach resonace Europhysics Letters, 70 (5). 586_1-586_7. ISSN 0295-5075

Balents, Leon ; Bartosch, Lorenz ; Burkov, Anton ; Sachdev, Subir ; Sengupta, Krishnendu (2005) Competing orders in their place near the Mott transition. II. The doped quantum dimer model Physical Review B: Condensed Matter and Materials Physics, 71 (14). 144509_1-144509_21. ISSN 1098-0121

Balents, Leon ; Bartosch, Lorenz ; Burkov, Anton ; Sachdev, Subir ; Sengupta, Krishnendu (2005) Putting competing orders in their place near the Mott transition Physical Review B: Condensed Matter and Materials Physics, 71 (14). 144508_1-144508_35. ISSN 1098-0121

Sengupta, K. ; Dupuis, N. (2005) Mott-insulator-to-superfluid transition in the Bose-Hubbard model: a strong-coupling approach Physical Review A, 71 (3). 033629_1-033629_8. ISSN 1050-2947

Balents, Leon ; Bartosch, Lorenz ; Burkov, Anton ; Sachdev, Subir ; Sengupta, Krishnendu (2005) Competing order and non-Landau-Ginzburg-Wilson criticality in (Bose) Mott transitions Progress of Theoretical Physics - Supplement, 2005 (160). pp. 314-336. ISSN 0375-9687

Sengupta, K. ; Powell, Stephen ; Sachdev, Subir (2004) Quench dynamics across quantum critical points Physical Review A, 69 (5). 053616_1-053616_10. ISSN 1050-2947

Kwon, H.-J. ; Sengupta, K. ; Yakovenko, V. M. (2004) Fractional AC Josephson effect in p-and d-wave superconductors The European Physical Journal B - Condensed Matter and Complex Systems, 37 (3). pp. 349-361. ISSN 1434-6028

Fendley, Paul ; Sengupta, K. ; Sachdev, Subir (2004) Competing density-wave orders in a one-dimensional hard-Boson model Physical Review B: Condensed Matter and Materials Physics, 69 (7). 075106_1-075106_15. ISSN 1098-0121

Kwon, Hyok-Jon ; Yakovenko, V. M. ; Sengupta, K. (2004) Fractional AC Josephson effect in unconventional superconductors Low Temperature Physics, 30 (7). 613_1-613_8. ISSN 1063-777X

Kwon, Hyok-Jon ; Sengupta, K. ; Yakovenko, Victor M. (2003) Theoretical prediction of the fractional AC Josephson effect in p- and d-wave superconductors Brazilian Journal of Physics, 33 (4). pp. 653-658. ISSN 0103-9733

Sengupta, K. ; Dupuis, N. (2003) Field-induced spin-density-wave phases in TMTSF organic conductors: Quantization versus nonquantization Physical Review B: Condensed Matter and Materials Physics, 68 (9). 094431_1-094431_4. ISSN 1098-0121

Kwon, Hyok-Jon ; Yakovenko, Victor M. ; Sengupta, K. (2003) How to detect edge electron states in (TMTSF)₂X and Sr₂RuO₄ experimentally ? Synthetic Metals, 133-13 . pp. 27-31. ISSN 0379-6779

Sachdev, Subir ; Sengupta, K. ; Girvin, S. M. (2002) Mott insulators in strong electric fields Physical Review B: Condensed Matter and Materials Physics, 66 (7). 075128_1-075128_16. ISSN 1098-0121

Sengupta, K. ; Kwon, Hyok-Jon ; Yakovenko, Victor M. (2002) Edge states and determination of pairing symmetry in superconducting Sr₂RuO₄ Physical Review B: Condensed Matter and Materials Physics, 65 (10). 104504_1-104504_6. ISSN 1098-0121

Sengupta, K. ; Žutic, Igor ; Kwon, Hyok-Jon ; Yakovenko, Victor M. ; Das Sarma, S. (2001) Midgap edge states and pairing symmetry of quasi-one-dimensional organic superconductors Physical Review B: Condensed Matter and Materials Physics, 63 (14). 144531_1-144531_6. ISSN 1098-0121

Sengupta, K. ; Kwon, Hyok-Jon ; Yakovenko, Victor M. (2001) Edge electron states for quasi-one-dimensional organic conductors in the magnetic-field-induced spin-density wave phases Physical Review Letters, 86 (6). pp. 1094-1097. ISSN 0031-9007

Sengupta, K. ; Dupuis, N. (2001) Spin-density-wave instabilities in the organic conductors (TMTSF)₂ClO₄: role of anion ordering Physical Review B: Condensed Matter and Materials Physics, 65 (3). 035108_1- 035108_11. ISSN 1098-0121

Sengupta, K. ; Yakovenko, Victor M. (2000) Hopf invariant for long-wavelength skyrmions in quantum Hall systems for integer and fractional fillings Physical Review B: Condensed Matter and Materials Physics, 62 (7). pp. 4586-4604. ISSN 1098-0121

Sengupta, K. ; Dupuis, N. (2000) Effective action and collective modes in quasi-one-dimensional spin-density-wave systems Physical Review B, 61 (20). pp. 13493-13507. ISSN 1098-0121

Wu, S. ; Kaplan, S. G. ; Quijada, M. ; Sengupta, K. ; Drew, H. D. (1995) Improved circular polarizer for far-infrared light-pipe systems Review of Scientific Instruments, 66 (12). pp. 5559-5562. ISSN 0034-6748

Sengupta, K. ; Ghatak, S. K. (1994) Effect of hybridization on superconductivity in quasi-two-dimensional systems Physics Letters A, 186 (5-6). pp. 419-422. ISSN 0375-9601