dgiri.app's picture
Dr. Deba Prasad Giri
Professor
Department of Physics, IIT (BHU), Varanasi
dgiri.app@iitbhu.ac.in
9839885243
Area of Interest: 
Statistical Physics, Soft Condensed Matter Physics, Computational Bio-Physics

  • Date of Birth: September 01, 1966
  • Address: Department of Physics, Indian Institute of Technology (Banaras Hindu University), Varanasi 221005
  • Telephone : +91 542 6701917 (office), Mobile: 9839885243; E-mail: dgiri.app@iitbhu.ac.in, dgiri99@yahoo.com
  •  Education:
    B. Sc. 1987, Calcutta University (Subject: Physics)
    M. Sc. 1989, IIT, Kharagpur (Subject: Physics (Specialization: Condensed Matter Physics))
    Ph. D. 1997, Institute of Physics, Bhubaneswar   (Subject: Condensed Matter Physics)
  • Present Status: Professor, Department of Physics, IIT (Banaras Hindu University), Varanasi (Since September, 2015).
  • Previous Positions, Teaching & Research Experience:
  1. Professor, Department of Physics, IIT (Banaras Hindu University), Varanasi (Since September, 2015).
  2. Associate Professor, Department of Physics, IIT (Banaras Hindu University), Varanasi (October, 2010 - August, 2015).
  3. Reader, Department of Applied Physics, IT, Banaras Hindu University, Varanasi, (October, 2007 - October, 2010)
  4. Lecturer, Physics Section, MMV, Banaras Hindu University, Varanasi (June, 2004 - October, 2007)
  5. Principal Investigator, DST-FAST Track Project at CTS, IIT, Kharagpur (April, 2002 - May, 2004).
  6. Post Doctoral Fellow / Research Associate, CTS, IIT, Kharagpur (April, 2000 - March, 2002).
  7. Post Doctoral Fellow / Research Associate, Department of Physics, BHU, Varanasi (March, 1998 - March, 2000).
  8. Post Doctoral Fellow / Research Associate, Department of Physics, IIT, Mumbai (January, 1997 - December, 1998).

Courses (presently teaching in Even Semester, 2017-18):

  • For IDD: Phase Transition and critical Phenomena, Computational Physics.
  • For Ph.D: Advanced Quantum and Statistical Physics, Advanced Mathematical and Computational Physics.
  • For Preparatory Programme: Physics lab 

Courses Taken :
• Mathematical Physics (Ph.D. Course Work); Statistical Physics, Advanced Electromagnetic Theory
(IMD Engineering Physics, part III; Quantum Electronics (IMD Engineering Physics, part-IV);
Electromagnetic Theory and Optics / Introduction to Engineering Electromagnetics(B. Tech part I).
• Mathematical Physics, Statistical Physics (B.Sc (Hons) part III); Electromagnetic Theory (B.Sc
(Hons) part II); Scientific Computing (B.Sc (Hons) Part II); Mechanics ((B.Sc (Hons) Part I)).
• Physics Lab (B. Sc Part I and Part III, B. Tech Part I); Computer Lab (Part II).

Area of Research Intesrest: Statistical Physics, Soft Condensed Matter Physics, Computational Bio-Physics.

LIST OF PUBLICATIONS: (IN REFERRED JOURNALS / PREPRINTS)
1. Statistical Mechanics of unfolding of polymer in presence of Molecular Crowding, Sanjiv Kumar, A. R. Singh,
D. Giri, and S. Kumar, Preprint (2016).
2. Grafted Polymer under shear flow, Sanjiv Kumar, D. P. Foster, D. Giri, and S. Kumar, Preprint (2015).
3. On the rupture of DNA Molecule, R. K. Mishra, T. Modi, D. Giri, and S. Kumar, J. Chem. Phys. 142,
174910 (2015).
4. Single polymer gating of channels under a salt gradient, Sheshnath, D. P. Foster,D. Giri, and S. Kumar, Phys.
Rev. E88, 054601 (2013).
5. Statistical Mechanics of DNA Rupture: Theory and Simulations, S. Nath, T. Modi, R. K. Mishra, D. Giri, B.
P. Mandal and S. Kumar, J. Chem. Phys.139, 165101 (2013).
6. Scaling of hysteresis loop of interacting polymers under a periodic force, R. K. Mishra, G. Mishra, D. Giri,
and S. Kumar, J. Chem. Phys. 138, 244905 (2013).
7. Statistical mechanics of stretching of biopolymers, A. R. Singh, D. Giri and S. Kumar, Jr. of Stat. Mech.(Theory
& Experiment), P05019 (2011).
8. Role of loop entropy in the force induced melting of DNA hairpin, Garima Mishra, D. Giri, M. S. Li, and
Sanjay Kumar, J. Chem. Phys. 135, 035102 (2011).
9. Force induced melting of the constrained DNA, A. R. Singh, D. Giri and S. Kumar, J. Chem. Phys. 132,
235105 (2010).
10. Force induced unfolding of biopolymers in a cellular environment: A model study, A. R. Singh , D. Giri and
S. Kumar, J. Chem. Phys. 131, 065103 (2009).
11. Role of pulling direction in understanding the anisotropy of the resistance of proteins to force-induced mechanical
unfolding, I. Jensen, D. Giri and S. Kumar, Mod. Phys. Lett.B 24, 379 (2010).
12. Effects of molecular crowding on stretching of polymers in poor solvent, A. R. Singh , D. Giri and S. Kumar,
Phys. Rev. E 79, 051801 (2009).
13. Stretching of a single stranded DNA: Evidence for structural transitionr, Garima Mishra, D. Giri and Sanjay
Kumar, Phys. Rev. E 79, 031930 (2009).
14. Role of pulling direction in understanding the energy landscape of proteins, R. Rajesh, D. Giri, I. Jensen and
S. Kumar,Phys. Rev. E 78, 021905 (2008).
15. Conformational properties of polymers, A. R. Singh, D. Giri and S. Kumar, Pramana (2008).
16. Does changing the pulling direction give better insight of bio-molecules?, Sanjay Kumar and D. Giri, Phys.
Rev. Lett. 98, 048101 (2007).
17. Probability distribution analysis of force induced unzipping of DNA, Sanjay Kumar and D. Giri, J. Chem
Phys. 125, 044905 (2006).
18. Effects of Eye-phase in DNA unzipping, D. Giri, Sanjay Kumar, Phys. Rev. E73, 050903(R) (2006).
19. Force induced conformational transition in a system of interacting stiff polymer: Application to unfolding,
Sanjay Kumar, D. Giri, Phys. Rev. E72, 052901 (2005).
20. Force induced triple point for interacting polymers, Sanjay Kumar, D. Giri, S. M. Bhattacharjee, 71 051804
(2005).
21. Statistical mechanics of coil-hairpin transition in a single stranded DNA oligomer, Sanjay Kumar, D. Giri and
Yashwant Singh, Euro. Phys. Lett.70, 15 (2005).
22. Critical behavior of stiff polymer near the surface, D. Giri, P. K. Mishra and Sanjay Kumar, Ind. Jr. of Phys,
77A 561 (2003).
23. Does surface attached globule phase exists?, P. K. Mishra, D. Giri, Sanjay Kumar, and Yashwant Singh,
Physica A 318 171 (2003).
24. Adsorption and collapse Transitions in a linear polymer chain near an attractive wall, R. Rajesh, D. Dhar,
D. Giri, Sanjay Kumar, and Yashwant Singh, Phys. Rev. E65, 056124 (2002).
25. Crossover of a polymer chain from bulk to surface states, Yashwant Singh, D. Giri and Sanjay Kumar, J.
Phys. A:Math and Gen. 34, L67 (2001).
26. Multifractal behavior of n-simplex lattice, Sanjay Kumar, D. Giri and Sujata Krishna, Pramana 54, 863
(2000).
27. Surface adsorption and collapse transition of polymer chains in three dimensions, Yashwant Singh, Sanjay
Kumar and D. Giri, J. Phys. A:Math and Gen. 32, L407 (1999).
28. Surface adsorption and collapse transition of linear polymer chains, Yashwant Singh, Sanjay Kumar and
D. Giri, Pramana 53, 37 (1999).
29. Sandpile Model with Activity Inhibition, S. S. Manna and D. Giri, Phys. Rev. E 56, R4914 (1997).
30. Possibility of polaronic structure in polyaniline lattice: A semiemperical quantum chemical approach, D.Giri,
Kalyan Kundu, D. Majumdar and S. P. Bhattacharyya, J. Mol. Struc. (Theo chem) 417, 175 (1997).
31. A Study of one dimensional correlated disordered system using invariant measure method, K. Kundu, D. Giri
and K. Ray, J. Phys. A Math. Gen 29, 5699 (1996).
32. Evolution of the electronic structure of cyclic polythiophene upon bipolaron doping, K. Kundu, D. Giri, J.
Chem Phys. 105, 11075 (1996).
33. Theoretical study of the evolution of electronic band structure of polythiophene due to bipolaron doping,
D.Giri and Kalyan Kundu, Phys. Rev. B 53, 4340 (1996).
34. Electronic Properties of the random trimer model with degenerate resonances, D.Giri, P. K. Datta and K.
Kundu, Physica B 210, 26 (1995).
35. Nature of States in a Random Dimer Model : Band Width Scaling Analysis, P. K. Datta, D.Giri and K.
Kundu, Phys. Rev. B48 16347 (1993).
36. Tuning of Resonances in the Generalized random Trimer Model, D.Giri, P. K. Datta and K. Kundu, Phys.
Rev. B48 14113 (1993).
37. Nonscattered States in Random Dimer Model, P. K. Datta, D.Giri and K. Kundu, Phys. Rev. B47 10727
(1993).

Research Projects :
• “Linear polymer in confined geometry”, FAST Track project, DST, New Delhi, (2002-2005).
• “ Statistical Mechanics of short DNA hairpins and its melting profile”, UGC, New Delhi, (2006-2009).

Supervision (M.Tech Project / Dissertation & Ph.D Thesis) :

  • IDD (2nd Year) Exploratory Project : 02 (ongoing)
  • IDD (3rd Year) Project : 01 (ongoing)
  • IMD/IDD (4th Year) Project : 06 (completed), 01 (ongoing)
  • IMD (Final Year) Dissertation : 05 (completed)
  • Ph. D : 03 (completed); 02 (ongoing)