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Present Position :
Assistant Professor , Department of Mathematics, West Bengal State University,
Previous Positions Held :
Lecturer, Dinhata College, Coochbehar, West Bengal, India
Areas of Research interest :
Theoretical Plasma Physics, Nonlinear waves in Plasma, Dynamical system.
Educational Qualifications
• PhD in Mathematics, 2007,Jadavpur University, India
• Master of Science (M.Sc.) in Applied Mathematics, 1999,
University College of Science and Technology, Calcutta University, Kolkata, India
• Bachelor of Science (B.Sc.) in Mathematics, 1997
Ramkrishna Mission Vidyamandir, Belurmath, Calcutta University, India
♦ Professional History :
2009 - present
• Place: West Bengal State University, Barasat, Kolkata, India
• Position: Assistant Professor in Mathematics
2004 - 2009
• Place: Dinhata College, Coochbehar, West Bengal, India.
• Position: Lecturer in Mathematics
2001 - 2004
• Place: Indian Statistical Institute, Kolkata, India.
• Position: Research Scholar
Awards Obtained :
• Graduate Aptitude Test in Engineering (GATE) - 2000, India for MTech/Research fellowship.
• Research Fellowship award - 2001 by Indian Statistical Institute, Kolkata, India
• National Eligibility Test (NET) - 2001 for CSIR (Council of Scientific and Industrial Research)- UGC (University
Grant Commission) research fellowship award in India.
Project Completed/ Evaluated :
UGC Minor Research Project undertaken entitled “Nonlinear waves in planar and nonplanar geometry in plasma” (UGC Reference No. : F. PSW-051/07-08(ERO)).
Academic Memberships:
Life Member of: Plasma Science Society of India.
Seminars/ Conferences/symposia/Workshop etc. Attended :
- SERC School on Plasma Physics at Saha Institute of Nuclear Physics, Kolkata, during 03-21 February, 2003.
18th National Symposium on Plasma Science and Technology, PLASMA-2003 at Birla Institute of Technology,
- Ranchi, during 08-11 December, 2003.
- National School on Nonlinear Dynamics at Indian Statistical Institute, Kolkata, during 21-27 December, 2003.
- District-wise Space Science Symposium (Cooch Behar and Jalpaiguri) at Rabindra Bhawan, Cooch Behar on 29th February, 2004.
- National Seminar on Changing Face of Indian Women at Dinhata College, Cooch Behar, during 21-22 March, 2005.
- 59th Orientation Programme at Burdwan University from 19th Aug.-15th Sept., 2006.
Seminar/ Conference/symposia/Workshop oral Presentations :
- National Seminar on “Differential equations : Modelling, Analysis and Computation”, Dept. of Applied Mathematics, Calcutta University, India, during 2nd-3rd March, 2011.
- International Conference on “Frontiers in Applied Mathematics and its Computational Aspects”, Dept. of Applied Mathematics, Calcutta University, India, during 15th -17th March, 2011.
Research Papers Published :
- Biswajit Sahu and Rajkumar Roychoudhury : “ Travelling wave solution of Korteweg- de Vries-Burger’s equation ” , Czechoslovak Journal of Physics, Vol-53, 517 (2003).
- Biswajit Sahu and Rajkumar Roychoudhury : “ Exact solutions of cylindrical and spherical dust ion acoustic waves” , Physics of Plasmas, Vol-10, 4162 (2003).
- Biswajit Sahu and Rajkumar Roychoudhury : “ Electron acoustic solitary waves and double layers in a relativistic electron-beam plasma system” , Physics of Plasmas, Vol-11, 1947 (2004).
- Biswajit Sahu and Rajkumar Roychoudhury : “ Cylindrical and spherical ion acoustic shock waves in multielectron temperature collisional plasma” , Physics of Plasmas, Vol-11, 4871 (2004).
- Biswajit Sahu and Rajkumar Roychoudhury : “ Cylindrical and spherical ion acoustic waves in a plasma with nonthermal electrons and warm ions” , Physics of Plasmas, Vol-12, 052106 (2005).
- Biswajit Sahu and Rajkumar Roychoudhury : Response to “Comment on ‘Exact solutions of cylindrical and spherical dust ion acoustic waves’” , Physics of Plasmas, Vol-12, 054701 (2005).
- Biswajit Sahu and Rajkumar Roychoudhury : Electron acoustic shockwaves in a relativistic plasma with nonthermal electrons , Physics of Plasmas, Vol-13, 072302 (2006).
- Biswajit Sahu and Rajkumar Roychoudhury : Cylindrical and spherical quantum ion acoustic waves, Physics of Plasmas, Vol-14, 012304 (2007).
- Biswajit Sahu and Rajkumar Roychoudhury : Quantum ion acoustic shock waves in planar and nonplanar geometry, Physics of Plasmas, Vol-14, 072310 (2007).
- Biswajit Sahu and Rajkumar Roychoudhury : Solitary waves in a four component dusty plasma in nonplanar geometry , Journal of the Calcutta Mathematical Society, Vol-5, No.1&2 (2009).
- Biswajit Sahu : Positron acoustic shock waves in planar and nonplanar geometry, Physica Scripta, Vol-82, 065504 (2010).
- Biswajit Sahu : Electron acoustic solitary waves and double layers with superthermal hot electrons, Physics of Plasmas, Vol-17, 122305 (2010).
- P.Chatterjee, U.N.Ghosh, K.Roy, S.V.Muniandy, C.S.Wong, and Biswajit Sahu : Head-on collision of ion acoustic solitary waves in an electron-positron-ion plasma with superthermal electrons, Physics of Plasmas, Vol-17, 122314 (2010).
- Biswajit Sahu : Quantum ion acoustic solitary waves in weak relativistic plasma, Pramana-Indian Journal of Physics, Vol-76, 933 (2011).
- Biswajit Sahu : Cylindrical or Spherical Dust-Ion Acoustic Shocks in an Adiabatic Dusty Plasma, Bulg. J. Phys. Vol-38, 175 (2011).
- Biswajit Sahu : Nonplanar ion acoustic waves with kappa-distributed electrons, Physics of Plasmas, Vol-18, 062308 (2011).
- Biswajit Sahu : Ion acoustic solitary waves and double layers with nonextensive electrons and thermal positrons, Physics of Plasmas , Vol-18, 082302 (2011).
Computer Skills :
Operating Systems: Windows, Linux (elementary level)
Mathematical software: MATHEMATICA, MATLAB (elementary level)
Programming language: FORTRAN, C (elementary level)
Editor software: LATEX, WORD
Referee activities :
Physics of Plasmas, AIP.
Indian Journal of Physics, Springer.
Nonlinear Processes in Geophysics, European Geosciences Union.
Astrophysics and Space Science, Springer.
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