Educational Background:

Professional Background:

Important awards and fellowship of academies:

Main area of work

    Significant recent publications:

• "The connection between vortex-like topological excitations and conventional excitations in quantum ferromagnetic spin systems on two-dimensional lattice and their stability" (with S. Sarkar and S.K.Paul) --- Int. J. Mod. Phys. B 29, 1550209, (2015).
• "Investigation of fermion pairing on tight binding lattice for low dimensional systems --- Fermi liquid vs. Luttinger-Tomonaga liquid"(with S. Roy Chowdhury) Physica B 465, 60 (2015).
• Tautomeric mutation in DNA. A theoretical comparative study and synthesis between various proposed quantum models"Nanostructures, Mathematical Physics And Modelling 12(1), 85(2015)
• "Kohn anomalies in conventional superconductors --- Are Kohn anomalies and Kohn singularities in conventional superconductors related to those in normal metals ?" (with M.P. Das) --- Lab talk and News Item in IOP Science ; (2013).
• "Topological Excitations in Quantum Spin Systems" (with S.K. Paul) --- Advances in Condensed Matter Physics 2013 Article ID 783420 (2013).
• "The Pressure Coefficients of the Superconducting Order Parameters at the Ground State of Ferromagnetic Superconductors" (with R. Konno and N. Hatayama) --- Jour. of Low Temp. Physics 175 508 (DOI 10.1007/S 10909-013-0979-2) (2014)
• "Theoretical analysis of neutron scattering results for quasi-two dimensional ferromagnets" S. Sarkara, S.K. Paul, and R. Chaudhury,Eur. Phys. J. B (2012) 85: 380, DOI: 10.1140/epjb/e2012-30200-6
• "Kohn singularity and Kohn anomaly in conventional superconductors---the role of the pairing mechanism" Ranjan Chaudhury and M.P. Das, JOURNAL OF PHYSICS: CONDENSED MATTER, IOP Science, Vol.25, No.12, 122202 (2013). (URL: http://stacks.iop.org/0953-8984/25/122202)
• "Kohn Anomaly Energy In Conventional Superconductors Equals Twice the Energy of the Superconducting Gap:How and Why?" - Ranjan Chaudhury and M.P.Das (International Journal of Modern Physics B, Vol.-24, Nos.- 25 & 26, 5172 (2010))
• "Kohn Anomaly in conventional superconductors : A Surprise" (with M. P. Das) Proceedings of 34th Annual Condensed Matter & Materials Meeting held in Auckland (New Zealand)during 2-5 February,2010
• "Physical relization of topological excitations in quantum Heisenberg ferromagnet on lattice", (With S.K. Paul), doi : 10.1140/epjb/e2010-00224-1; Eur. Phys. J. B 76 3 391 (2010) .
• "Physical realization and possible identification of topological excitations in quantum Heisenberg anti-ferromagnet on a two-dimensional lattice" (R.Chaudhury with S.K. Paul)---- Eur. Phys. J. B 69 4 491 (2009).
• "Method of distinction of pure d-wave state from the mixed state in High Temperature Superconductors" (R.Chaudhury with T. Filatova, Peter Brusov, Pavel Brusov and C. Lee) ---- J. Phys. Conf. Series 150 052025 (2009).
• “Tautomeric mutation: A quantum spin modeling”-------- (R.Chaudhury) Europhys. Lett. 79 18005 (2007)
• "Studies of spin diffusion coefficient and spin stiffness constant for the t-J model on low-dimensional lattices and possible application to doped antiferromagnets" ---- (R.Chaudhury) J. Phys. Cond. Mat. 19 496203 (2007).
• “Spin dynamics of layered triangular antiferromagnets with uniaxial anisotropy” (R.Chaudhury) Journal of Magnetism and Magnetic Materials 307, 99-106 (2006)
• "Spin dynamics of the quasi-2D ferromagnetic bilayer manganite La_{1.2}Sr_{1.8}Mn_{2}O_{7} (R.Chaudhury with T. Chatterji and F. Demmel) ---- Physica B 385-386, 428 (2006).