RECENT
- Amogh Kinikar, T. Phanindra Sai, A. Agarwal, T. Biswas, Sanjoy K. Sarker, H. R. Krishnamurthy, Manish Jain, V. B. Shenoy and Arindam Ghosh, "Quantized edge modes n atomic scale point contacts in graphene”.Nature Nanotechnology, accepted Jan 6, published online April 3, 2017, nnnano 24.
- T. Lovorn and Sanjoy K. Sarker, “Complex quasi-two-dimensional crystalline order embedded in VO 2 and other crystals”. Phys. Rev. Lett. 119, 045501 (2017)
- S. K. Sarker and T. Lovorn, “Spin-charge split pairing in underdoped cuprate superconductors: support from low-T specific heat.” Submitted to PRL (2018), arXiv.org: 1705.10390
- S. Keshavarz, J. Jones, A. Amiri, A. Singh, A. Gupta, S. Sarker, P. LeClair. “Low-frequency Noise Spectroscopy of Vanadium Dioxide throughout the Metal-Insulator Transition” (2018) To be submitted to PRB
High-Tc Superconductivity, Quantum Liquids
- S. K. Sarker and T. Lovorn, “Charge pair hopping and Bose-Einstein condensation in underdoped Mott insulators", ArXiv:0158312, Phys. Rev. B85, 144502 (2012)
- S. K. Sarker and T. Lovorn, “A consistent theory of underdoped cuprates: Evolution of the RVB state from half filling”, Phys. Rev. B82, 014504 (2010); arXiv:0910.2204v2 [cond-mat.str-el].
- S. K. Sarker, "Metallic conduction and superconductvity in the pseudogap phase", cond-mat/LANL/ 0701288 (20070; Phys. Rev. B77, 052505 (2008).
- S. K. Sarker, “Spin-Charge Separation and Kinetic Energy in the t-J Model”, Phys. Rev. B68, 085105 (2003).
- S. K. Sarker “On Possible Coexistence of Superconductivity and Charge Density Wave in Hole Doped C60”, Cond-Mat/LANL/0111500,(2001).
- S. K. Sarker “Spin-charge Recombination and Superconductivity in the t-J Model”, Phys. Rev. B61, 8663 (2000)
- S. K. Sarker, “Confinement in the Three-dimensional Anisotropic t-J Model: A Mean-Field Study”, J. Phys. Chem. Solids 56, 1753 (1995).
- S. K. Sarker and P. W. Anderson, “Spin-Gap and Superconductivity in the Interlayer Pair Tunneling Model.”, Cond-Mat/LANL/9704123 (1997).
- Fengming Hu, S. K. Sarker and C. Jayaprakash, “Domain Walls, Spiral States and Phase Separation in the Extended Hubbard Model: A Hartree-Fock Analysis”, Phys. Rev. B50, 17901 (1994).
- S. K. Sarker, C. Jayaprakash and H. R. Krishnamurthy, “Non-Fermi Liquid Behavior in the t-J Model: Role of Quantum Fluctuations”, Physica C228, 309 (1994).
- S. K. Sarker, “Coulomb Interactions and the Stability of Spiral States in the t-J Model”, Phys. Rev. B47(Rapid Communications), 2940 (1993).
- S. K. Sarker, “Theory of Spin-Charge Separation and Recombination in the t-J Model”, Phys. Rev. B46, 8617 (1992).
- S. K. Sarker, C. Jayaprakash, H. R. Krishnamurthy and W. Wenzel, “Spiral States in the Square-Lattice Hubbard Model”, Phys. Rev. B43 (Rapid Communications) 8775 (1991).
- C. Jayaprakash, H. R. Krishnamurthy, S. K. Sarker, and W. Wenzel, “Metal-Insulator Transition in the Hubbard Model on a Triangular Lattice", Europhys. Lett. {\bf {15}}, 625 (1991).
- H. R. Krishnamurthy, C. Jayaprakash, W. Wenzel and S. K. Sarker, “The Mott-Hubbard Metal-Insulator Transition in Non-Bipartite Lattices”, Phys. Rev. Lett. 64, 950 (1990).
- S. K. Sarker, H. R. Krishnamurthy, C. Jayaprakash and W. Wenzel, “Mean-Field Theories of Hubbard and t-J Model”, Physica C163, 541 (1990).
- H. R. Krishnamurthy, C. Jayaprakash, W. Wenzel and S. K. Sarker, “New Mean-Field Theories of the Hubbard Model”, Physica C162-164, 1447 (1989).
- C. Jayaprakash, H. R. Krishnamurthy and S. K. Sarker, “Mean-Field Theory for the t-J Model”, Phys. Rev B40 (Rapid Communications), 2610 (1989).
- S. K. Sarker, C. Jayaprakash, H. R. Krishnamurthy and M. Ma, “A Bosonic Mean-Field Theory of Quantum Heisenberg Spin Systems-- Bose Condensation and Magnetic Order”, Phys. Rev. B40, 5028 (1989).
- S.. K. Sarker, “Gutzwiller Approximation for the Emery Model”, Phys. Rev. B39, 2155 (1989).
- S. K. Sarker, “A New Mean-Field Approximation to the Two-Band Model for Copper-Oxide Superconductors”, J. Phys. Cond. Matt. Lett. 1, 311 (1989).
- S. K. Sarker, “A New Functional Integral Formalism for Strongly Correlated Fermi Systems”, J. Phys. C. Lett 21, L667 (1988).
- S. K. Sarker, “A Functional Intergral Method for the Strongly Correlated Hubbard Model”, in First two years of high-temperature superconductivity. Ed. R. M. Metzger, Gordon and Breach Sci. Pub., p353 (1988).
- Fullerides (Bucky Balls)
- S. K. Sarker, “Metal Semimetal Transitions in Extended Hubbard Model on the FCC Lattice: Implications for Superconducting Fullerides”, Phys. Rev. B51, 3031 (1995).
- S. K. Sarker, “Charge-Density-Wave Semimetallic and Superconducting States for A3C60”, Phys. Rev. B 49, 12047 (1994).
- S. K. Sarker and S. Lair, “Negative-U Hubbard model with long-range Coulomb interaction: Metal-insulator transition far from half filling", J. Phys. Condens. Matt. 17, 3885 (2005).
- Metal-Insulator Transition , LOCALIZATION
- X. Zhong, P. R. LeClair, S. K. Sarker, and A. Gupta, “Impedance spectroscopy of the metal-insulator transition in epitaxial VO2 thin films on TiO2.” Phys. Rev. B 86, 094114 (2012).
- S. K. Sarker, “Metal Insulator Transition in Disordered and Interacting Systems”, (1998). ArXiv: Cond-Mat 9709135.
- S. K. Sarker, “On the Self-consistency of the One-Parameter Scaling theory of Localization”, J. Phys. C Lett 16, L991 (1983).
- S. K. Sarker, “Inverse Localization Length in One Dimensional Anderson Model for Small Disorder”, Phys. Rev. B25 (Rapid Communications), 4304 (1982).
- S. K. Sarker and E. Domany, “Scaling Theory of Anderson Localization: A Renormalization-Group Approach”, Phys. Rev. B23, 6018 (1981).
- S. K. Sarker and E. Domany, “A Scaling Theory of Anderson Localization”, J. Phys. C Lett. 13, L273 (1980).
- E. Domany and S. K. Sarker, “Renormalization-Group Study of Anderson Localization”, Phys. Rev. B20, 4726 (1979).
QUANTUM Magnetism
- Holinsworth, B.S.; Mazumdar, D.; Sims, H.; Sun, Q.-C.; Yurtisigi, M.K.; Sarker, S.K.; Gupta, A.; Butler, W.H.; Musfeldt, J.L., "Chemical tuning of the optical band gap in spinel ferrites: CoFe2O4 vs NiFe2O4," Applied Physics Letters , vol.103, no.8, pp.082406,082406-4, Aug 2013.
- M. E. Williams, W. H. Butler, C. K. Mewes, H. Sims, M. Chshiev, and S. K. Sarker, “Calculated electronic and magnetic structure of rutile phase V1−xCrxO2 “, J. Appl. Phys. 105 07E510 (2009).
- J. Belev, A. Bandyopadhyay, W. H. Butler and S. K. Sarker,"Electronic and magnetic structure of transition-metal-doped alpha-hematite”, Phys. Rev. B71, 205208 (2005).
- A. Bandyopadhyay, S. K. Sarker, J. Belev, W. H. Butler and O. Bengone, “Effect of electron-correlation on the electronic and magnetic properties of Ti-doped alpha hematite”, Phys. Rev. B69, 174429 (2004).
- S. K. Sarker, “Phase Transition in the Double-Exchange Model: A Schwinger Boson Approach”, J. Phys.Cond.Matt. 8, L515 (1996).
- Phase Transition, Critical Phenomena, Renormalization Group
- S. K. Sarker, “Real Space Renormalization Group Method for the Ground State Properties of the Quantum Lattice Models”, Phys. Rev. B30, 2752 (1984).
- R. Cordery, J. Tobochnik and S. K. Sarker, “Physics of the Dynamic Critical Exponent in One Dimensaion”, Phys. Rev. B24(RC), 5402 (1981).
- J. Tobochnik, S. K. Sarker and R. Cordery, “Dynamic Monte Carlo Renormalization Group”, Phys. Rev. Lett., 46, 1417 (1981).
- P. D. Beale, S. K. Sarker and J. A. Krumhansl, “Renormalization-Group Study of Cross-over in Structural Phase Transitions”, Phys. Rev. B24, 266 (1981).
Quantum Transport Theory
- Y. -K. Hu, J. W. Wilkins and S. K. Sarker, “Quantum Transport Equation Approach to Nonequlibrium Screening”, in it Nanostructure Physics and Fabrication, p 273 (1989), Eds. M. A. Reed and W. P. Kirk, Academic Press.
- Y. -K. Hu, S. K. Sarker and J. W. Wilkins, “Quantum Kinetic Equation Approach to Semiconductor Hot-Carrier Screening”, Phys. Rev. B39, 8468 (1989).
- S. K. Sarker, Y. -K. Hu, C. J. Stanton and J. W. Wilkins, “Exact Solution of a Transport Equation for Hot-Electron Effects in Semiconductors and Metals", Phys. Rev. B35, 9229 (1987).
- S. K. Sarker, J. H. Davies, F. S. Khan and J. W. Wilkins, “Quantum Corrections to Boltzmann Equation for High-Field Transport in Semiconductors”, Phys. Rev. B33, 7263 (1986).
- S. K. Sarker, “Quantum Transport Theory for High Electric Fields”, Phys. Rev B32, 743 (1985).
Solitons
- S. K. Sarker and J. A. Krumhansl, “Effect of Solitons on the Thermodynamic Properties of a System with Long-range Interactions”, Phys. Rev. B23, 2374 (1981).
- J. F. Currie, S. K. Sarker, A. R. Bishop, and S. E. Trullinger, “Statistical Mechanics of One-dimensional Comples Scalar Fields with Phase Anisotropy”, Phys. Rev. A20, 2213 (1979).
- S. K. Sarker, S. E. Trullinger, and A. R. Bishop, “Solitary-wave solution for a complex one-dimensional field”, Phys. Lett. 59A, 255 (1976).
- Dark Matter, Supersymmetry, Biology
- J Davidson, S. K. Sarker and A. Stern, “"Possible Evidence of Thermodynamic Activity in Dark Matter Haloes", arXiv:1302.2967, Feb 2013, Astro.Phys.J, 788:37, 1 (2014).
- L. C. Clavelli and S. K. Sarker, "Covalent Molecular Binding in a Susy Background", ArXiv:0811.1022, November 2008; Int. J. Mod. Phys. A , 24, 4245 (2009).
- W. K. Lim, S. K. Sarker and J. K. Hardman, “Enzymatic Properties of Mutant xi it coli Tryptophane Synthase alpha-Subunits”, J. Biol. Chem, 266, 20205 (1991).
Education and Science
- Q. Haider and S. K. Sarker, “Scientific research in Bangladesh: New opportunitites”, Op-Ed article in the Daily Star, Bangladesh, May 21, 2012.
- Q. Haider and S. K. Sarker, “Science cannot coexist with backwardness”, Op-Ed article in the Daily Star, Bangladesh, Aug 7, 2012.
- S. K. Sarker, “Only solution is a knowledge-based economy” Op-Ed article in Bengali in Samakal, May 21, 2012.
Others
- Ph.D. Dissertation, Cornell University: 1980. Renormalization Group Study of Anderson Localization and Effect of Long-Range Interaction of Solitons.
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