Ranjan Chaudhury
    Professor
   







   ranjan@bose.res.in
   www.bose.res.in
   Telephone +91-33-2335 5706/07/08
 

Educational Background:

  • M.Sc. (Physics) , IIT Kharagpur, 1981
  • Ph.D (Science),TIFR, University of Bombay,1988
  • Professional Background:

  • Post-doctoral Experience Abroad :- ICTP(TRIESTE, Italy) 1988-1989;
    McMaster University,(Hamilton, Canada) & University of Minnesota (Minneapolis, USA)(1991-1992);
    LEPES, CNRS (Grenoble, France)(1994-1995)
  • Faculty since 1994, S N Bose National Centre for Basic Sciences.
  • Important awards and fellowship of academies:

  • Received "Bharat Gaurav" award from IIFS, New Delhi (2014)
  • Received "Best Citizens of India" award from International Publishing House, New Delhi (2015)
  • Biography selected & included in the 28th Edition of " Marquis Who's Who in the World", New Jursey, USA (2011)
  • Visiting Professor at AUST (Abuja) under NMI (Washington DC, USA) (2009-2010)
  • Member of American Chemical Society (since 2010)
  • International Scientist of the Year for 2007 by International Biographical Centre,Cambridge
  • Visiting Scientist as JINR Fellow at BLTP, JINR (Dubna, Russia) (2000)
  • Biography selected & included in the 1st Edition of “ Marquis Who’s Who in Asia”,New Jersey,USA(2007)
  • Biography selected & included in the 16th Edition of “ Marquis Who’s Who in the World”,New Jersey,USA(1999)
  • Fellow of Minnesota Supercomputer Institute, USA(since 1992)
  • Member of Rayonnement Du CNRS, France (since 1995)
  • Main area of work

    Theoretical research in:
  • Magnetism
  • Superconductivity
  • Strongly Correlated Electronic Systems
  • Quantum Many –Body Physics
  • Quantum Field Theory- Condensed Matter Physics Interface
  • Molecular Bio-Physics (Quantum Biology)
  •  

        Significant recent publications:

    • "Effective Interaction in a Non-Fermi Liquid Conductor and Spin Correlations in Under-doped Cuprates" (with S. Bhattacharjee)--- Jour. of Low Temp. Phys. DOI: 10.1007/S10909-018-1998-9 (2018).
    • "Semi-phenomenological analysis of neutron scattering results for quasi-two dimensional quantum anti-ferromagnet" (with S. Sarkar and S.K. Paul) ---- Journal of Magnetism and Magnetic materials (DOI: 10.1016/j.jmmm.2016.08.008) (2016); Journal of Magnetism and Magnetic Materials 421, 207 (2017).
    • "Calculation of generalized spin stiffness constant of strongly correlated doped quantum antiferromagnet on two-dimensional lattice and its application to effective exchange constant for semi-itinerant systems" (with S. Bhattacharjee) ---- Physica B (DOI: 10.1016/j.physb.2016.07.036) (2016).
    • "Synthesis of conventional phenomenological theories of superconductivity with Marginal Fermi Liquid model" (with T. Chibueze) --- J. of Ovonic Research , 12(3) , 121 (2016).
    • "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 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).
     
     
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