Dr. S. Kumar

Professor
Ph.D. (BHU)
Contact Information:
Tel. +91 542 2307308,09451585427(Mo) extn.234 Fax:+91 542 2368174
Email Id:ksanjay@bhu.ac.in, yashankit@yahoo.com

Academic Qualification:

Examination Passed Board/ University Year of passing Division/ Grade Subjects
B.Sc. (Hons)Bhagalpur University 1985 I Physics
M.Sc. Kumaun University1987 I Physics
Ph. D. Banaras Hindu University 1993 - Physics

Academic Position held:

Designation Name of Employer Date of Joining Leaving
Lecturer Tripura University 01-08-1991 31-07-1996
Sr. Lecturer Tripura Univ. 01-08-1996 07-05-1997
Sr. Lecturer Banaras Hindu University 08-05-1997 15-05-2004
Reader Banaras Hindu University 15-05-2004 30-10-2007
Professor Banaras Hindu University 30-10-2007 Continuing

ADMINISTRATIVE POSITIONS HELD:


At National Level:
  • Thrust Area Co-Coordinator, Action Oriented Research, SPARC, MHRD, New Delhi.
  • Coordinator, SPARC, BHU.
  • Mentor/Resource Person for INSPIRE initiatives of DST, New Delhi.
  • Member, Expert Committee, SAP program of UGC New Delhi.
  • Director, Refresher Course organized by Indian Academy of Sciences.
  • President, Indian Physics Association, Varanasi Chapter.
  • Member, Expert Committee for Young Scientist Scheme – Physical and Mathematical Sciences, Department of Science and Technology, New Delhi.
  • Member, Board of Studies, Department of Physics, H. S. Gaur University, Sagar.
  • Subject Expert of various selection committees.
  • Subject Expert of NET/SLET examinations.
    Within University:
  • Coordinator, Centre for Advanced Study (UGC), Phase V, Department of Physics, Banaras Hindu University.
  • Coordinator, Computer Centre, Banaras Hindu University.
  • Coordinator, Massive Open Online Courses (MOOCs), BHU.
  • Convener, TPSC, Program of DST, (Govt of India).
  • Departmental Library In-charge, Physics Department, BHU.
  • Deputy Coordinator, Centre for Advanced Study (UGC), Phase V, Department of Physics, Banaras Hindu University.
  • Member, DST PURSE (Promotion of University Research in Science Excellence) implementation committee of BHU.
    Visiting AND RESEARCH Assignments: International

    S No Period of visit  Institute/ country visited Purpose of visit
    1May 1998 June 1999 University of Rochester, USA BOYSCAST Fellow
    2May 2000 August 2000 University of Cologne, Germany INSA-DFG Exchange program Visiting Scientist
    3May 2003 June 2003 University of Mainz,Germany Visiting Scientist
    4May 2004 July 2004 MPIPKS Dresden, Germany Visiting Scientist
    5May 2005 May 2006 MPIPKS Dresden, Germany Visiting Scientist
    6August 2006 September 2006 Institute of Theoretical Physics, ChinaVisiting Scientist
    7May 2007 June 2007 Genova, Italy and MPIPKS Dresden, Germany To attend conference and Visiting Scientist
    8May 2008 June 2008 INFN, Poland and MPIPKS Dresden, Germany Visiting Scientist
    9June 2009 June 2009 ICTP, Italy and INFN PolandTo attend conference and Visiting Scientist
    10July 2010 August 2010 University of Melbourne, Australia Visiting Professor & Invited Speaker
    11July 2011 Aug 2011 ITP, Chinese Academy of Sciences, Beijing,China Invited Speaker
    12May 2012 June 2012 MPIPKS, Dresden,Germany Visiting Scientist
    13May 2013 July 2013 University of Leipzig,GermanyVisiting Scientist
    14July 2013 July 2013 NCTSTaiwanInvited Speaker
    15July 2013 July 2013 Seoul University, South KoreaInvited Speaker
    16May 2014 May 2014 University of Leipzig, GermanyVisiting Scientist
    17May 2016 July 2017 ICTP,ItalySimons Associate
    18July 2016 July 2016 University of Lyon, FranceSTATPHY26
     
    Distinctions/Prizes/Awards/Medal/Fellowships, et
    1. Recipient of Prof. C. N. R. Rao Education Foundation Award for Excellence in Scientific Research, 2019.
    2. Elected Fellow of Indian Academy of Sciences, Bangalore (2016).
    3. Recipient of Simons Associate Awards (2015-2020) of International Centre of Theoretical Physics (ICTP), Italy.
    4. Recipient of Vice-Chancellor Award for Excellence in Research by BHU, Varanasi for the year 2014.
    5. Recipient of INSA Medal for Young Scientists 1996.
    6. BOYSCAST Fellow of DST 1998.
    7. Selected as Associate of S.N. Bose National Centre for Basic Sciences, Kolkata (2004-2007).
    8. Appointed as Regular Associate of International Centre for Theoretical Physics, Trieste, Italy (2004-2012).
    9. Nominated as Category-A Speaker, TPSC Program of DST: 1992-93; 1996-97; 1997-98.
    10. Nominated as Category-B Speaker, TPSC Program of DST: 2000-2002; 2002-2004.
    11. Visiting Associate of UGC (1993-1995).
    12. Visited Centre of Theoretical Studies, IIT Kharagpur as Visiting Scientist 2001.
    13. JRF (through NET): Nov. 1987 to Nov. 1989 & SRF: Nov. 1989 to July 1991.


    Invited / contributed Talks in conferences :


      International:
    • Participated and presented work in STATPHYSICS 26, Lyon, France (2016).
    • Oral presentation in STATPHYS25, Seoul, (21-26 July 2013).
    • Invited talk Bio-Complex Taiwan 2013, Satellite meeting of STATPHYS25, Taiwan (17-20 July 2013).
    • Series of Lectures at the Advanced Training, Module Modeling and Simulating Macromolecules, University of Leipzig, Germany (20-21 June 2013).
    • Invited talk "Biopolymères et nanopores" Université de Cergy-Pontoise, Paris (14 June 2012).
    • Series of lectures in “Growth of hierarchical functional materials in complex fluids” organized by Chinese Academy of Sciences, Beijing, China (11-30 July 2011).
    • Invited to deliver lecture in German Physical Society Meeting (13-19 March 2011).
    • Invited to deliver talk in “Statistical Physics of Lattice Polymers” organized by University of Melbourne, Australia (7-9 July 2010).
    • International meeting “STATPHYS24-2010” held at Cairns, Australia (19-23 July 2010).
    • Structure and Dynamics in Soft matter and Biomolecules: From single molecules to ensembles, ICTP, Trieste Italy (4-8 June 2007).
    • Presented poster in STATPHYS 23 meeting Genova, Italy (9-13 July 2007).
    • Invited talk in Asian Pacific School on Statistical Physics and Interdisciplinary Applications & International Conference on Recent Advances in the Interdisciplinary Applications of Statistical Physics, Beijing PR China (11-22 Sept. 2006).
    • Workshop on Biopolymers: Thermodynamics, Kinetics and Mechanics of DNA, RNA and Proteins, ICTP, Italy (28 May-6 June, 2005).
    • International workshop on Proteomics, ICTP, Italy (May 5-16, 2003).

      National:
    • Invited talk in “National Conference on Soft Matter” organized by Gorakhpur University (2018).
    • Invited talk in “Recent Trends in Condensed Matter Physics” organized by Bose institute, Kolkata (2017).
    • Invited Talk "Current Trends in Condensed Matter Physics", organized by IACS, Kolkata (2017).
    • Invited talk “DNA Physics-II”, organized by BITS, Pilani (2017).
    • Invited talk in “One day Lecture Series” by MMV College, BHU (2017).
    • Invited talk in “ISHAN VIKAS Programme for School Children”, IIT-BHU (2016).
    • Oral presentation in Indian Statistical Physics Community meeting, IISc, Bangalore (1-3 February 2014).
    • Invited talk in Conference on Nonlinear Systems and Dynamics, IIT Indore (11-14 December 2013).
    • Invited talk International Conference on Chemistry and Materials, BBA University, Lucknow (14-16 Dec. 2012)
    • Invited talk “DNA under Force” Part of the International Conference on Mathematical and Theoretical Biology, Pune (23 Jan 2012).
    • Invited to deliver talk in “Dynamics of Phase transformations” organized by JNCASR, Bangalore, (28- 30 November, 2011).
    • Invited to give talk in “Nucleic Acids in Disease & Disorder” at IIT Delhi (7-9 December 2011).
    • Invited to give talk in Indo-Polish Seminar on Advanced Materials (05, Nov 2011).
    • National symposium on “Recent Trends in Biophysics” organized by Indian Biophysical Society (2010).
    • National Symposium on Soft Matter on 150th Birth Anniversary of Sir J C. Bose organized by Bose Institute, Kolkata (2009).
    • Bangalore Area Statistical Mechanics Meeting II organized by JNCASR, Bangalore (2009).
    • Series of Lectures in SERC School on Computational Statistical Mechanics organized by Dept. of Physics IIT Guwahati (2008).
    • Disorder Complexity and Biology II organized by Department of Physics, BHU, Varanasi (2008).
    • Series of lectures in International workshop and conference on Statistical Physics Approaches to Multi-disciplinary Problems, IIT, Guwahati (2008).
    • Indo Polish workshop on Liquid Crystals synthesis, characterization and Molecular Engineering , Allahabad University (12th Dec. 2007).
    • Structure and Dynamics of Biomolecules, SNBNCBS, Kolkata (03-08 Aug. 2007).
    • Invited talk in STATPHYS KOLKATA VI, India (5-9 Jan. 2007).
    • Disorder, Complexity and Biology (DISCOMB-04), BHU, India (2004).
    • STATPHYS KOLKATA IV International conference on Statistical Mechanics, Kolkata, India (14-19 Jan. 2002).

    INVITED LECTURES DELIVERED

      International:
    • International Centre of Theoretical Physics.

    • Max Planck Institute of Polymer Science, Mainz, Germany.

    • University of Stuttgart, Germany.

    • University of Padova, Italy.

    • Leibniz Institute of Polymer Research, Dresden, Germany.

    • Institute of Physics; University of Basel; Switzerland.

    • Laboratory of Bio Physics Statistics, Lausanne, Switzerland.

    • Physics Department, Technical University, Munich, Germany.

    • Department of Physics, University of Mainz, Germany.

    • Max Planck Institute of Physics for Complex System, Germany FOM Institute, The Netherlands.

    • Department of Chemical Physics, University of Wurzburg, Germany Theoretical Physics Group, H.M. Institute Berlin, Germany.


      National:

    • INSPIRE Program of DST.

    • Academic Staff College, Lucknow.

    • Academic Staff College, Nainital.

    • Academic Staff College, BHU.

    • Academic staff College Ranchi.

    • UGC Networking Program, BHU.

    Research projects:  

    Completed: 05 in hand: 01 DST New Delhi : 03*; INSA, New Delhi : 01, UGC, New Delhi: 01 

    Publications : 64

    Physics Report: 01* Phys. Rev. Lett.: 04
    Phys. Rev. E: 17 Phys. Rev. A 01
    Soft Matter: 01 J. Math. Chem. 01
    EPL: 07 J. Chem. Phys.: 06
    J. Phys. A: Math & Gen. 06 Physica A: 06
    J. Stat Mech.: 04 Mod. Phys. Lett. B: 01
    Pramana: 03 Ind. J. Phys.: 03
    H-index: ~21
    Book Chapters: 03

    * Projects are rated excellent by monitoring committee of DST.
    ** 6th most downloaded review article in 2010.
       
    List of Publications:
      A. Reviews:
  • 67. Stretching single stranded DNA Sanjay Kumar and G Mishra Soft Matter, 7, 4595 (2011)
  • 66. Biomolecules under mechanical force Sanjay Kumar and MS Li Physics Report 486, 1-74 (2010)
  • 65. Role of pulling direction in understanding the varying resistance of proteins I.Jensen, D.Giri and Sanjay Kumar Modern Physics Letter B 24, 379, (2010)
  • 64. Conformational properties of polymers A. R. Singh, D. Giri and Sanjay Kumar Pramana: J. Phys., 71, 283 (2008)
  • 63. Surface adsorption and collapse transition of a linear polymer chain Y Singh, Sanjay Kumar and D Giri Pramana, 53, 37(1999) .

  • B. Research Papers:
    1. 62. Kinetics of polymer tumbling in shear flow: A coarse-grained description Sadhana Singh, R. K. Singh, Dibyendu Das, and Sanjay Kumar Phys. Rev. E 99, 030501 (Rapid Communications) , (2019).
    2. 61. Dynamics of a polymer under multi-gradient fields Sadhana Singhand Sanjay Kumar J. Chem. Phys. 150, 024906 (2019).
    3. 60. Force-induced rupture of double-stranded DNA in the absence and presence of covalently bonded anti-tumor drugs: insights from molecular dynamics simulations Anurag Upadhyaya, Shesh Nath and Sanjay Kumar J. Chem. Phys. 148, 215105 (2018).
    4. 59. Polymer in a pore: effect of confinement on the free energy Sanjiv Kumar and Sanjay Kumar Physica A 499, 216 (2018).
    5. 58. DNA Unzipping with asymmetric periodic forces: robustness of the scaling behavior of hysteresis loop T. Pal and Sanjay Kumar EPL 121, 18001 (2018)
    6. 57. Statistical mechanics of a polymer chain attached to the interface of a cone shaped channel Sanjay Kumar, S Kumar, D Giri and S Nath EPL, 118, 28001 (2017)
    7. 56. Effect of concentration of molecular crowder on the unfolding force distribution: emergence of a long tail S Kumar, AR Singh, D Giri and Sanjay Kumar J. Stat. Mech.: Theory & Expt. 033209 (2017)
    8. 55. Periodically driven DNA: Theory and Simulation Sanjay Kumar, R Kumar and W Janke Phys. Rev. E , 93, 010402 (R)(2016)
    9. 54. Grafted polymer under shear flow S Kumar, DP Foster, D Giri and Sanjay Kumar J. Stat. Mech.: Theory and Expt., 043203, (2016).
    10. 53. Rupture of DNA Aptamer: new insights from simulations RK Mishra, S Nath, Sanjay Kumar  J. Chem. Phys. 143, 164902 (2015)
    11. 52. On the rupture of DNA molecule RK Mishra, T Modi, D Giri and Sanjay Kumar J. Chem. Phys. 142, 174910 (2015)
    12. 51. Single polymer gating of channels under a solvent gradient S Nath, DP Foster, D Giri and Sanjay Kumar Phys. Rev. E 88, 54601 (2013)
    13. 50. Statistical Mechanics of DNA Rupture: Theory and simulations S Nath, T Modi, RK Mishra, D Giri, BP Mandal and Sanjay Kumar J. Chem. Phys. 139, 165101 (2013)
    14. 49. Scaling of hysteresis loop of interacting polymers under a periodic force RK Mishra, G Mishra, D Giri, and Sanjay Kumar J. Chem. Phys. 138, 244905, (2013).
    15. 48. Statistical mechanics of DNA unzipping under periodic force: Scaling behavior of hysteresis loop Sanjay Kumar and G Mishra Phys. Rev. Lett. 110, 258102 (2013)
    16. 47. Dynamical phase transition of a periodically driven DNA G Mishra, P Sadhukhan, SM Bhattacharjee and Sanjay Kumar Phys. Rev. E 87, 022718 (2013)
    17. 46. Stretching-force–dependent transitions in single stranded DNA K Singh, SK Ghosh, Sanjay Kumar and A Sain EPL, 100 , 68004 (2012)
    18. 45. Effect of shear force on the separation of double stranded DNA RK Mishra, G Mishra, MS Li and Sanjay Kumar Phys. Rev. E 84, 032903 (2011)
    19. 44. Role of loop entropy in the force induced melting of DNA hairpin G Mishra, D Giri, MS Li and Sanjay Kumar J. Chem. Phys. 135, 035102 (2011)
    20. 43. Statistical mechanics of stretching of biopolymers AR Singh, D Giri and Sanjay Kumar J. Stat. Mech. P05019 (2011)
    21. 42. Force induced melting of constrained DNA AR Singh, D Giri and Sanjay Kumar J. Chem. Phys. 132, 235105(2010)
    22. 41. Force induced unfolding of biopolymers in a cellular environment: A model study AR Singh, D Giri and Sanjay Kumar J. Chem. Phys. 131, 065103
    23. 40. Effects of molecular crowding on unfolding of biopolymers. AR Singh, D Giri and Sanjay Kumar Phys. Rev. E, 79, 051801 (2009)
    24. 39. Stretching of a single stranded DNA: Evidence for structural transition G Mishra, D Giri and Sanjay Kumar Phys. Rev. E, 79, 031930 (2009)
    25. 38. Pulling self-interacting polymers in two-dimensions J Krawczyk, I Jensen, AL Owczarek and Sanjay Kumar Phys. Rev. E, 79, 031912 (2009)
    26. 37. Can reentrance be observed in force induced transitions? Sanjay Kumar EPL, 85, 38003 (2009)
    27. 36. Modeling force-induced bio-polymer unfolding AJ Guttmann, JL Jacobsen,I Jensen and Sanjay Kumar J. Math. Chem. 45, 223 (2009).
    28. 35. Role of pulling direction in understanding the energy landscape of proteins R Rajesh, D Giri, I Jensen and Sanjay Kumar Phys. Rev. E, 78, 021905 (2008)
    29. 34. Force induced transitions: Effects of Temperature Sanjay Kumar and G Mishra Phys. Rev. E, 78, 011097(2008)
    30. 33. Unified description of poly- and oligonucleotide DNA melting: Nearest neighbour, Poland Scheraga and lattice models R Everaers Sanjay Kumar and C Simm Phys. Rev. E . 75 41918 (2007)
    31. 32. Role of conformational entropy in force-induced biopolymer unfolding Sanjay Kumar, I Jensen, JL Jacobsen and AJ Guttmann Phys. Rev. Lett. 98, 128101 (2007)
    32. 31. Does changing the pulling direction give better insight of biomolecules? Sanjay Kumar and D Giri Phys. Rev. Lett 98, 048101 (2007)
    33. 30. Collapse transition of two-dimensional flexible and semi-flexible polymers J Zhou, H Zhou, J-ZO Yang and Sanjay Kumar Phys. Rev. Lett. 96 158302 (2006)
    34. 29. Stretching of a self interacting semi-flexible polymers A Rosa, D Marenduzzo and Sanjay Kumar Europhys. Lett. 75, 818 (2006)
    35. 28. Probability distribution analysis of force induced unzipping of DNA Sanjay Kumar and D Giri J. Chem. Phys. 125, 44905 (2006)
    36. 27. Effects of the eye-phase in DNA unzipping D Giri and Sanjay Kumar Phys. Rev. E , 73, 50903 (R) (2006).
    37. 26. Force induced conformational transition in a system of interacting stiff polymers: Application to unfolding Sanjay Kumar and D Giri Phys. Rev. E, 72, 52901 (2005)
    38. 25. Statistical Mechanics of coil-hairpin transition in a single stranded DNA oligomer Sanjay Kumar, D Giri and Y Singh Europhys. Lett., 70, 15 (2005)
    39. 24. Force induced triple point for interacting polymers Sanjay Kumar, D Giri and SM Bhattacharjee Phys. Rev. E , 71, 51804 (2005)
    40. 23. Force induced desorption of a linear polymer chain adsorbed on a surface PK Mishra, Sanjay Kumar and Y Singh Europhys. Lett, 69, 102 (2005)
    41. 22. Effect of confinement on coil-globule transition Mishra PK and Sanjay Kumar J. Chem. Phys. 121, 8642 (2004)
    42. 21. Critical behaviors of stiff polymer near the surface D Giri, PK Mishra and Sanjay Kumar Ind. J. Phys. A , 77A, 561 (2003)
    43. 20. Simple and exactly solvable model for a semi-flexible polymer chain interacting with surface PK Mishra, Sanjay Kumar and Y Singh Physica A, 323, 453 (2003)
    44. 19. Does Surface Attached Globule phase exist? PK Mishra, D Giri, Sanjay Kumar and Y Singh Physica A, 318, 171 (2003)
    45. 18. The adsorption and collapse transition in a linear polymer chain near an attractive surface R Rajesh, D Dhar, D Giri, Sanjay Kumar and Y Singh Y Phys. Rev. E, 65, 056124 (2002)
    46. 17. Crossover of a polymer chain from bulk to surface states Y Singh, D Giri, and Sanjay Kumar J. Phys. A: Math. Gen. 34, L67 (2001)
    47. 16. Collective dynamics of one- dimensional charge density waves A Glatz, Sanjay Kumar and MS Li Phys. Rev. B 64, 184301 (2001)
    48. 15. Interpenetration of Polymer Chain different in Sizes: Some Exact Results Sanjay Kumar Physica A, 292, 422 (2001)
    49. 14. Surface adsorption and collapse transition of a linear polymer chain interactingwith a surface adsorbed polymer chain Sanjay Kumar and Y Singh Physica A, 293, 345 (2001)
    50. 13. Multi fractal behavior of n-simplex lattice S Krishna, D Giri and Sanjay Kumar Pramana, 54, 863 (2000)
    51. 12. Surface adsorption and collapse transition of a linear polymer chain in three dimensions Y Singh, Sanjay Kumar and D Giri J. Phys A: Math Gen. 32, L407 (1999)
    52. 11. Critical behavior of Copolymer: Some exact results on fractal lattice Sanjay Kumar Ind. J. Phys. 71 A, 363 (1997).
    53. 10. Critical behavior of two interacting polymer chains in a good solvent Sanjay Kumar and Y Singh J. Stat. Phys. 89, 981 (1997).
    54. 9. Theory for critical behavior of a polymer chain interacting with surface Sanjay Kumar Ind. J. Phys. 70A, 771 (1996).
    55. 8. On the critical behavior of a surface interacting linear polymer chain Sanjay Kumar and Y Singh Physica A, 229, 61 (1996).
    56. 7. Interpenetration and segregation of interacting polymer chains in a solution Sanjay Kumar and Y Singh Phys. Rev. E, 51, 759 (1995).
    57. 6. Surface adsorption of a self-avoiding polymer chain on a family of finitely ramified fractals Sanjay Kumar, Y Singh and D Dhar J. Phys. A: Math Gen. 23, 4835 (1993).
    58. 5. Surface adsorption and collapse transition of a linear polymer chain: Some exact results on fractal lattice Sanjay Kumar and Y Singh Phys. Rev. E, 48, 734 (1993)
    59. 4. Critical behavior of two interacting polymer chains: Exact results for a state of interpenetration of chains on a fractal lattice Sanjay Kumar and Y Singh J. Phys A: Math Gen. 26, L987 (1993)
    60. 3. Critical exponents of self-avoiding walk on a family of truncated n-simplex lattice (Addendum) Sanjay Kumar and Y Singh J. Phys. A: Math Gen. 23, 5115 (1990)
    61. 2. The collapse transition of linear polymers on a family truncated n-simplex lattices Sanjay Kumar and Y Singh Phys. Rev. A, 42, 7151, (1990)
    62. 1. Critical exponents of a self-avoiding walk on a family of truncated n-simplex lattice Sanjay Kumar and Y Singh and YP Joshi J. Phys. A: Math Gen, 23, 298 (1990)
      C. Book Chapters:
    63. 2. Kumar S (2011) Graphical enumeration technique II: Application to polymers (Computational Statistical Physics, Ed. S. Santra and P. Ray, HBA, India).
    64. 1. Kumar S (2016) Statistical Physics of Force Induced Transitions of Biopolymers, (Handbook of Computational Chemistry, Ed. J. Leszczynski, Springer Verlag, 2016)
     
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