Dr. Deba Prasad Giri
- Date of Birth: September 01, 1966
- Address: Dr. Debaprasad Giri, 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:
- Professor, Department of Physics, IIT (Banaras Hindu University), Varanasi (Since September, 2015).
- Associate Professor, Department of Physics, IIT (Banaras Hindu University), Varanasi (October, 2010 - August, 2015).
- Reader, Department of Applied Physics, IT, Banaras Hindu University, Varanasi, (October, 2007 - October, 2010)
- Lecturer, Physics Section, MMV, Banaras Hindu University, Varanasi (June, 2004 - October, 2007)
- Principal Investigator, DST-FAST Track Project at CTS, IIT, Kharagpur (April, 2002 - May, 2004).
- Post Doctoral Fellow / Research Associate, CTS, IIT, Kharagpur (April, 2000 - March, 2002).
- Post Doctoral Fellow / Research Associate, Department of Physics, BHU, Varanasi (March, 1998 - March, 2000).
- Post Doctoral Fellow / Research Associate, Department of Physics, IIT, Mumbai (January, 1997 - December, 1998).
Courses (presently teaching in Odd & Even Semester, 2022-23 session):
- For IDD: PHY404/ PYM514: Phase Transition and critical Phenomena, PHY402: Quantum Electronics, PHY308:Concept of Kinetics and thermal physics.
- For B.Tech / IDD (1st year): PHY 102: Introduction to Engineering Electromagnetics.
- For Preparatory Programme: Physics Lab.
Previous 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. / IMD / IDD 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 / IMD / IDD Part I, Preparatory Course); Computer Lab (Part II).
Area of Research Interest: Statistical Physics, Soft Condensed Matter Physics, Computational Bio-Physics.
S. No. | Author (s) | Title | Name of the Journal | Volume | Page | Year |
1. | D. Mohanta, D. Giri, and Sanjay Kumar | Effect of solvent gradient inside the entropic trap on polymer migration. | Phys. Rev. E | 105 | 024135 (1-8)
| 2022 |
2. | S. Senapati, A. Upadhyaya, S. Dhruw, D. Giri, P. Maiti | Controlled DNA delivery Using Poly (lactide) nanoparticles and understanding the binding interactions. | J. Physical Chemistry B | 125 (35) | 10009-10017 | 2021 |
3. | S. Kumar, J. P. Singh, D. Giri, S. Mishra | Effect of polydispersity on the dynamics of active Brownian particles. | Phys. Rev. E | 104 (2) | 024601 | 2021 |
4. | D. Mohanta, D. Giri, and Sanjay Kumar | Effect of solvent gradient on DNA confined in a strip. | Physica A- Statistical Mechanics and its applications | 562
| 125379 | 2021 |
5. | D. Mohanta, D. Giri, and Sanjay Kumar | Statistical mechanics of DNA melting in confined geometry
| J. Stat. Mech.: Theory & Experiment | 2019 | 043501 | 2019 |
6. | Sanjay Kumar, Sanjiv Kumar, D. Giri, and S. Nath | Statistical mechanics of a polymer chain attached to the interface of a cone-shaped channel | Euro. Phys. Lett | 118 | 28001 | 2017 |
7. | Sanjiv Kumar, A. R. Singh, D. Giri, and S. Kumar | Effect of concentration of molecular crowders on the unfolding force distribution: Emergence of a long tail | J. Stat. Mech.: Theory & Experiment | 2017
| 033209 | 2017 |
8. | Sanjiv Kumar, D. P. Foster, D. Giri, and S. Kumar | Grafted Polymer under shear flow | J. Stat. Mech.: Theory & Experiment | 2016 | 043203 | 2016 |
9. | R. K. Mishra, T. Modi, D. Giri, and S. Kumar | On the rupture of DNA Molecule | J. Chem. Phys. | 142 | 174910 | 2015 |
10. | Sheshnath, D. P. Foster,D. Giri, and S. Kumar | Single polymer gating of channels under a salt gradient | Phys. Rev. E | 88 | 054601 | 2013 |
11. | S. Nath, T. Modi, R. K. Mishra, D. Giri, B.P. Mandal and S. Kumar | Statistical Mechanics of DNA Rupture: Theory and Simulations | J. Chem. Phys. | 139 | 165101 | 2013 |
12. | R. K. Mishra, G. Mishra, D. Giri, and S. Kumar | Scaling of hysteresis loop of interacting polymers under a periodic force | J. Chem. Phys. | 138 | 244905 | 2013 |
13. | A. R. Singh, D. Giri and S. Kumar | Statistical mechanics of stretching of biopolymers | J. of Stat. Mech.(Theory & Experiment) | 2011 | P05019 | 2011 |
14. | Garima Mishra, D. Giri, M. S. Li, and Sanjay Kumar | Role of loop entropy in the force induced melting of DNA hairpin | J. Chem. Phys. | 135 | 035102 | 2011 |
15. | A. R. Singh, D. Giri and S. Kumar | Force induced melting of the constrained DNA | J. Chem. Phys. | 132 | 235105 | 2010 |
16 | I. Jensen, D. Giri and S. Kumar | Role of pulling direction in understanding the anisotropy of the resistance of proteins to force-induced mechanical unfolding | Mod. Phys. Lett. B | 24 | 379 | 2010 |
17. | A. R. Singh , D. Giri and S. Kumar | Force induced unfolding of biopolymers in a cellular environment: A model study | J. Chem. Phys | 131 | 065103 | 2009 |
18. | A. R. Singh , D. Giri and S. Kumar | Effects of molecular crowding on stretching of polymers in poor solvent | Phys. Rev. E | 79 | 051801 | 2009 |
19. | Garima Mishra, D. Giri and Sanjay Kumar | Stretching of a single stranded DNA: Evidence for structural transitions | Phys. Rev. E | 79 | 031930 | 2009 |
20. | R. Rajesh, D. Giri, I. Jensen and S. Kumar | Role of pulling direction in understanding the energy landscape of proteins | Phys. Rev. E | 78 | 021905 | 2008 |
21. | A. R. Singh, D. Giri and S. Kumar | Conformational properties of polymers | Pramana | 71 | 283 | 2008 |
22. | Sanjay Kumar and D. Giri | Does changing the pulling direction give better insight of bio-molecules? | Phys. Rev. Lett. | 98 | 048101 | 2007 |
23. | Sanjay Kumar and D. Giri | Probability distribution analysis of force induced unzipping of DNA
| J. Chem. Phys. | 125 | 044905 | 2006 |
24. | D. Giri, Sanjay Kumar | Effects of Eye-phase in DNA unzipping, | Phys. Rev. E | 73 | 050903(R) | 2006 |
25. | Sanjay Kumar, D. Giri | Force induced conformational transition in a system of interacting stiff polymer: Application to unfolding. | Phys. Rev. E | 72 | 052901 | 2005 |
26. | Sanjay Kumar, D. Giri, S. M. Bhattacharjee | Force induced triple point for interacting polymers | Phys. Rev. E | 71 | 051804 | 2005 |
27. | Sanjay Kumar, D. Giri and Yashwant Singh | Statistical mechanics of coil-hairpin transition in a single stranded DNA oligomer | Euro. Phys. Lett. | 70 | 15 | 2005 |
28. | D. Giri, P. K. Mishra and Sanjay Kumar | Critical behavior of stiff polymer near the surface | Ind. Jr. of Phys | 77A | 561 | 2003 |
29. | P. K. Mishra, D. Giri, Sanjay Kumar, and Yashwant Singh | Does surface attached globule phase exists? | Physica A | 318 | 171 | 2003 |
30. | R. Rajesh, D. Dhar, D. Giri, Sanjay Kumar, and Yashwant Singh | Adsorption and collapse Transitions in a linear polymer chain near an attractive wall | Phys. Rev. E | 65 | 056124 | 2002 |
31. | Yashwant Singh, D. Giri and Sanjay Kumar | Crossover of a polymer chain from bulk to surface states | J. Phys. A: Math and Gen. | 34 | L67 | 2001 |
32. | Sanjay Kumar, D. Giri and Sujata Krishna | Multifractal behavior of n-simplex lattice | Pramana | 54 | 863 | 2000 |
33. | Yashwant Singh, Sanjay Kumar and D. Giri | Surface adsorption and collapse transition of polymer chains in three dimensions | J. Phys. A: Math and Gen | 32 | L407 | 1999 |
34. | Yashwant Singh, Sanjay Kumar and D. Giri | Surface adsorption and collapse transition of linear polymer chains | Pramana | 53 | 37 | 1999 |
35. | S. S. Manna and D. Giri | Sandpile Model with Activity Inhibition | Phys. Rev. E | 56 | R4914 | 1997 |
36. | D.Giri, Kalyan Kundu, D. Majumdar and S. P. Bhattacharyya | Possibility of polaronic structure in polyaniline lattice: A semiemperical quantum chemical approach | J. Mol. Struc. (Theo chem) | 417 | 175 | 1997 |
37. | K. Kundu, D. Giri and K. Ray | A Study of one dimensional correlated disordered system using invariant measure method | J. Phys. A Math. Gen | 29 | 5699 | 1996 |
38. | K. Kundu, D. Giri | Evolution of the electronic structure of cyclic polythiophene upon bipolaron doping | J. Chem Phys. | 105 | 11075 | 1996 |
39. | D.Giri and Kalyan Kundu | Theoretical study of the evolution of electronic band structure of polythiophene due to bipolaron doping | Phys. Rev. B | 53 | 4340 | 1996 |
40. | D.Giri, P. K. Datta and K. Kundu | Electronic Properties of the random trimer model with degenerate resonances | Physica B | 210 | 26 | 1995 |
41. | P. K. Datta, D.Giri and K. Kundu | Nature of States in a Random Dimer Model : Band Width Scaling Analysis | Phys. Rev. B. | 48 | 16347 | 1993 |
42. | D.Giri, P. K. Datta and K. Kundu | Tuning of Resonances in the Generalized random Trimer Model | Phys. Rev. B | 48 | 14113 | 1993 |
43. | P. K. Datta, D.Giri and K. Kundu | Nonscattered States in Random Dimer Model | Phys. Rev. B | 47 | 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 : 03 (completed)
- IMD/IDD (3rd year: 6th sem & 4th Year: 7th sem) Project : 08 (completed), 01 (ongoing)
- IMD /IDD (Final Year) Dissertation / Master Thesis : 07 (completed), 01 (on going)
- M.Sc (Final Year) Dissertation: 01 (completed), 01 (ongoing)
- Ph. D : 05 (completed); 01 (ongoing)