Department of Physics: Faculties
Kripasindhu Kumar
Assistant Professor in Physics (WBES)
and Head of the Department (HoD)
Highest Qualification: M.Sc
Contact details:
- Email-id: (official): Kripasindhu.kumar@gmail.com
- Phone No.: (+91) 9775388987
- Office address: Dept. of Physics, Darjeeling Govt. College, Richmond Hill, Lebong Cart Road, Darjeeling, 734101.
Teaching experience in years, months: 14 years
Date of joining to this institution: 25/03/2019
Date of joining to this service: 27/05/2009
Fellowships, Awards and Honors: CSIR-UGC NET (2007)
Previous positions held:
- Assistant Professor in Physics, Durgapur Govt. College, Durgapur (from 05/01/2012 to 25/03/2019).
- Assistant Professor in Physics, Taki Govt. College, Taki , North 24 Parganas (from 27/05/2009 to 04/01/2012).
- Part- Time Lecturer in Physics at B.I.T., Sindri, Dhanbad, Jharkhand (from 08/01/2007 to 26/05/2009).
- Lecturer in Physics, Ramgovind Institute of Technology, Koderma, Jharkhand (from 30/01/2005 to 07/01/2007).
Other Experience:
- Co-ordinator, Taki Govt. College Study Center of Netaji Subhas Open University from Sept. 2010 to Dec. 2011.
- Co-ordinator, Durgapur Govt College Study Center of Netaji Subhas Open University from 2016 to 2018.
Courses taught:
- Mechanics
- Wave and Optics
- Analog Electronics
- Digital Electronics
- Solid State Physics
- Modern Physics
- SEC
Research area/interest: Current Mode Analog Circuit Design
Currently working on Instrumentation Amplifier and Phase Shifter Circuit using current mode active device under the guidance of Dr. Sajal K. Paul, Professor, Department of Electronics and Instrumentation, Indian school of Mines, Dhanbad. and Dr. S. N. Bimal, HOD, Department of Physics, B.I.T. Sindri.
Paper presented in National Conference:
- NCEEERE, 2008, SMIT, Sikkim “Effect of parasitic capacitance on the CMRR of Power Supply Current Sensing Instrumentation Amplifier”.
- RTEFPS Nov. 2009, B.I.T. Sindri, Dhanbad “A Study of Combined Effect of Source Resistance, Cable and Parasitic Capacitance on the CMRR of Power Supply Current Sensing Instrumentation Amplifier”.
Other Area of Interest:
- Simulation Programming using PSpice.
- MathCAD Programming.
Sailesh Kumar Gupta
Assistant Professor in Physics (WBES)
Highest Qualification: M.Sc, B. Ed
Contact details:
- Email-id: (official): saileshdgc@gmail.com
- Office address: Dept. of Physics, Darjeeling Govt. College, Richmond Hill, Lebong Cart Road, Darjeeling, 734101.
Teaching experience in years, months: 16 years
Courses taught:
Undergraduate Physics
Research area/interest: Lie Symmetry and Applications
List of Publications:
Peer reviewed journals: 2
Conference proceedings: 1
Books/ Chapters in books: 2
Presentations/attended in Conferences/Workshops/Seminars/Symposium etc.: 4
Dr. Md Hasanujjaman
Assistant Professor in Physics (WBES)
Highest Qualification: Ph.D
Contact details:
- Email-id: (official): jaman.mdh@gmail.com
- Phone No.: (+91) 9775403454, 9382922346 (WhatsApp)
- Office address: Dept. of Physics, Darjeeling Govt. College, Lebong Cart Road, Darjeeling, 734101.
Teaching experience in years, months: 6 years 7 months.
Date of joining to this institution: 24. 11. 2015.
Date of joining to this service: 24. 11. 2015.
Previous position held:
- Junior Research Fellow (2013-2015)
Variable Energy Cyclotron Centre (VECC.)
1/AF, Canal Side Rd, 1/AF, Bidhannagar, Kolkata, West Bengal 700064.
Fellowships, Awards and Honors:
- Cleared National Level Examinations: JEST (2013), CSIR-NET (2013), GATE (2013).
Research Fellowship (2013-2015) was awarded by Department of Atomic Energy (DAE), Govt. of India.
Courses taught:
- Mechanics
- Thermodynamics
- Quantum Mechanics
- Nuclear Physics
- Astrophysics
- Waves and Acoustics
- Python.
Research area/interest:
- Theoretical High Energy Physics (Heavy-Ion Collision).
List of Publications:
INSPIRE-HEP profile
Peer reviewed journals:
- Dispersion and suppression of sound near the QCD critical point.
M. Hasanujjaman, M. Rahaman, A. Bhattacharyya, J. Alam.
Physical Review C 102, 034910 (2020), arXiv: 2003.07575.
- Dynamical spectral structure of density fluctuation near the QCD critical point.
M. Hasanujjaman, G. Sarwar, M. Rahaman, A. Bhattacharyya, and J. Alam.
Eur. Phys. J. A 57, 283 (2021)., arXiv:2008.03931.
- The fate of nonlinear perturbations near the QCD critical point.
G. Sarwar, M. Hasanujjaman, M. Rahaman, A. Bhattacharyya, J. Alam.
Physics Letter B 820 (2021) 136583, arXiv: 2012.12668.
- Initial condition from the shadowed Glauber model.
S. Chatterjee, S. K. Singh, S. Ghosh, M. Hasanujjaman, J. Alam and S. Sarkar.
Phys. Lett. B 820, (2021) 10, 136583, arXiv:1510.01311.
- Nonlinear waves in a hot, viscous and non-extensive quark-gluon plasma .
G. Sarwar, M. Hasanujjaman, T. Bhattacharyya, Mahfuzur Rahaman, A. Bhattacharyya, J. Alam.
European Physical Journal C 82 (2022) 3, 189, arXiv: 2109.11166.
- Role of slow out-of-equilibrium modes on dynamic structure factor near the QCD critical point.
G. Sarwar, M. Hasanujjaman, and J. Alam.
arXiv:2205.01136.
Conference proceedings:
- The study of propagation of nonlinear wave in QGP: a possible tool to distinguish the extensive and non-extensive thermodynamic background.
M. Hasanujjaman, G. Sarwar, M. Rahaman, A. Bhattacharyya, J.Alam.
Proceedings of the 65th DAE BRNS Symposium on nuclear physics, 636-637.
- Nonlinear waves in search for QCD critical Point , G. Sarwar, M. Hasanujjaman, M. Rahaman, A. Bhattacharyya, J. Alam.
Proceedings of the 65th DAE BRNS Symposium on nuclear physics, 638-639.
- Initial Condition dependence of hydrodynamic flow of Quark Gluon Plasma.
M. Hasanujjaman, S. K. SIngh, S. Ghosh, S. Chatterjee, G. Sarwar.
Proceedings of the 60th DAE BRNS Symposium on nuclear physics, 808-809.
- Cold Nuclear matter effects on the correlation between eccentricity and multiplicity.
S. K. Singh, S. Chatterjee, M. Hasanujjaman, S. Ghosh, J. Alam.
Proceedings of the DAE Symp.Nucl.Phys. 60 (2015) 804-805.
- Nucleon shadowing in Glauber model .
S. Chatterjee, S. Ghosh, S. K. Singh, M. Hasanujjaman, J. Alam.
Proceedings of the Acta Phys.Polon.Supp. 9 (2016) 197.
Books/ Chapters in books etc. : No
Presentations in Conferences/Workshops/Seminars/Symposium:
Presented talks:
- The 8th Asian Triangle Heavy-Ion Conference (ATHIC-2021). Link
- CNT QGP Meet-2015 . Link
- 65th DAE BRNS Symposium on nuclear physics (The study of the propagation of nonlinear waves in QGP: a possible tool to distinguish the extensive and non-extensive thermodynamic background). Link
Presented posters:
- XXIV DAE-BRNS high energy physics symposium, 2020 (The Fate of perturbation near the QCD critical point).
- XXIV DAE-BRNS high energy physics symposium, 2020 (Power spectrum of the density fluctuation near the QCD critical point).
Dr. Ekramul Kabir
Assistant Professor in Physics (WBES)
Highest Qualification: Ph.D
Contact details:
- Email-id: (official): ekramulphysics@gmail.com
- Phone No.: (+91) 9851518862/ 8240247827
- Office address: Dept. of Physics, Darjeeling Govt. College, Lebong Cart Road, Darjeeling, 734101.
Teaching experience in years, months: 4+ Years.
Date of joining to this institution: 28.06.2018.
Date of joining to this service: 28.06.2018.
Previous position held:
Courses taught:
- Mathematical Physics
- Special Theory of Relativity
- Classical Mechanics
- Statistical Mechanics.
Research area/interest:
Soft condensed matter physics, Characterization of Organic Ferroelectrics, PVDF and its co-polymers, X-ray Diffraction (XRD), Differential Scanning Calorimetry (DSC), Investigation of Dielectric Properties, Hysteresis loop measurement etc.
List of Publications:
Peer reviewed journals:
- External magnetic field dependent tricritical points of uniaxial to biaxial nematic transition.
L. Nasrin, Ekramul Kabir and M. Rahman.
Phase Transitions, 2015, 89, 193-201.
- Pure β-phase formation in polyvinylidene fluoride (PVDF)-carbon nanotube composites.
Ekramul Kabir, M. Khatun, L. Nasrin, M. J. Raihan and M. Rahman.
J. Phys. D Appl. Phys. 2017, 50, 163002.
- AC electrical conductivity and dielectric properties of doping induced in molecular ferroelectric diisopropylammonium bromide.
Ekramul Kabir, M. Khatun, M. J. Raihan, K. Singh, M. Rahman.
Mater. Res. Express. 2019, 6, 096306(1-8).
- Dielectric, impedance, modulus spectroscopy and AC conductivity studies on novel organic ferroelectric diisopropylammonium chloride (dipaCl).
M. Khatun and Ekramul Kabir.
J. Adv. Dielectrics. 2021,11, 2150015(1-9).
Conference proceedings:
- Salts of Diisopropylammonium-A non-toxic alternate to Perovskite Ferroelectrics.
Ekramul Kabir, M. Khatun, T. Ghosh, M. J. Raihan and M. Rahman.
Proceedings of the 62nd DAE Solid State Physics Symposium 2017.
AIP Conf. Proc., 2018, 040006(1-4).
- Complex Impedance Studies of Organic Ferroelectric Diisopropylammonium Iodide (DIPAI).
Ekramul Kabir, M. Khatun, M. J. Raihan and M. Rahman.
Proceedings of the ICABS 2019, AIP Conf. Proc., 2019, 040011(1-4).
- A Review on Polymer and Organic Ferroelectrics for Flexible High Energy Storage Material.
M. Khatun, Ekramul Kabir and M. Rahman.
Proceedings of the ICABS 2019, AIP Conf. Proc., 2019, 040014 (1-4).
Books/ Chapters in books etc. : No
Presentations in Conferences/Workshops/Seminars/Symposium:
- Participated in the Seven Day Faculty Development Programme organized by Department of Management and Business Administration, Aliah University, Kolkata on 12th -20th July, 2016.
- Participated in the two day workshop on Virtual Instrumentation in LabVIEW platform (WVIL-2016) organized by Department of Electrical Engineering, IIEST, Shibpur on 9th -10th september, 2016.
- Participated in the Introductory Workshop on Astrophysics and Cosmology organized by Department of Physics, Aliah University, Kolkata on 27th -28th September, 2016
- Participated in the training course onLocal Ground Water related issuses & participatory ground water management organized by Srikrishna College, Bagula, Nadia on 11th -12th November, 2016.
- Presented a paper entitled Study of ferroelectric dielectric behavior and phase transition of novel molecular ferroelectrics in the second International Conference on Material Science, organized by Department of Physics, Tripura University from 16th - 18th February, 2017.
- Participated in the International School on Fundamental Crystallography & Workshop on Structural Phase Transitions(ISFCWSPT-2017) organized by Department of Physics and Astronomy, NIT Rourkela on 30th August to 4th September, 2017.
- Presented a paper entitled Structural and electrical properties of diisopropylammonium-cation based molecular crystals in the National Conference on‘Recent Trends in Condensed Matter Physics)’, organized by Bose Institute, Kolkata on 31st October to 3rd November, 2017.
- Presented a paper entitled Salts of Diisopropylammonium-A non-toxic alternate to Perovskite Ferroelectrics in the ‘62nd DAE- Solid State Physics Symposium’, organized by BARC, Mumbai on 26th -30th December, 2017.
- Presented a paper entitled Complex Impedance Studies of Organic Ferroelectric Diisopropylammonium Iodide (DIPAI) in the ‘International Conference on Advances in Basic Sciences (ICABS19)’, organized by GDC Memorial College, Haryana on 7th -9th February, 2019.
Participation in OP/RC:
- Participated in the UGC sponsored Orientation Course (online) organized by the UGCHRDC, Mizoram University from 28th July to 17th August, 2020.
- Participated in the UGC sponsored II online subject Refresher Course organized by the UGC-HRDC, Aligarh Muslim University, Aligarh from 21st August to 4th September, 2021.
Pritha Chaudhuri
Assistant Professor in Physics (WBES)
Highest Qualification: M.Sc
Contact details:
- Email-id: (official): ci.pritha@gmail.com
- Phone No.: (+91) 8327446060
- Office address: Dept. of Physics, Darjeeling Govt. College, Lebong Cart Road, Darjeeling, 734101.
Teaching experience in years, months: 4 years 4 Months
Date of joining to this institution: 02/08/2018
Date of joining to this service: 02/08/2018
Additional charge:
Hostel-in-Charge
Fellowships, Awards and Honors:
Research area/interest: Condensed Matter Physics
List of Publications: NA
Attended /Seminars/Symposium:
- Online Faculty Development Programme on Control Applications in Energy Systems - Recent Trends and Future Aspectsby Annamalai University dated 22-27th June, 2020.
- Online Short Term Training Programme on Research Methodologydated 20th – 27tH July by Dr MGR Educational and Research Institute, Chennai.
- Online Faculty Development Programme on Research Methodology – PMMMNMTT, Teaching Learning Centre, Ramanujan College, Delhi dated 10-23rd December, 2020.
- State level Webinar on “Use of Journals in Academic Research and Scholarly Publishing - Central Library, Lalbaba College dated 29th June, 2020.
Dr. Mahfuzur Rahaman
Assistant Professor in Physics (WBES)
Ph.D in Theoretical High Energy Nuclear Physics.
Contact details:
- Email-id: (official): mahfuzurrahaman01@gmail.com
- Phone No.: (+91) 8926128302
- Office address: Dept. of Physics, Darjeeling Govt. College, Lebong Cart Road, Darjeeling, 734101.
Teaching experience in years, months: 2 years.
Date of joining to this institution: 10th August, 2020.
Date of joining to this service: 10th August, 2020.
Previous positions held:
- Senior Research Fellow (2017-2020)
Variable Energy Cyclotron Centre (VECC)
- Junior Research Fellow (2015-2017)
Variable Energy Cyclotron Centre (VECC.)
1/AF, Canal Side Rd, 1/AF, Bidhannagar, Kolkata, West Bengal 700064.
- Guest Lecturer (2014-2015)
Basirhat College, Basirhat, Kolkata 743412.
Fellowships, Awards and Honors:
- Cleared National Level Examinations: JEST (2015), CSIR-NET (2015), GATE (2014, 2015).
Research Fellowship (2015-2020) awarded by Department of Atomic Energy (DAE), Govt. of India.
- Awarded Council of Scientific and Industrial Research CSIR Foreign Travel Grant to attend and present research work in the
ECT* Doctoral Training Programme (DTP), The European Centre for Theoretical Studies in Nuclear Physics and Related Areas (ECT*) in Trento, Italy (2018).
- Awarded Homi Bhabha National Institute Foreign Travel Grant to present research work in Heidelberg University (Heidelberg, Germany), (2019).
- Awarded a short term “visiting scientist” fellowship by Johann Wolfgang Goethe University (Frankfurt, Germany), (2019).
Courses taught:
- Mathematical Methods in Physics
- Electricity and Magnetism
- Nuclear and Particle Physics
Research area/interest:
- Transport properties of Quark-Gluon Plasma
- Relativistic Hydrodynamics
- Thermal Field Theory.
List of Publications:
INSPIRE-HEP profile
Peer reviewed journals:
- Contribution of Kaon component in viscosity and conductivity of hadronic medium.
Mahfuzur Rahaman, Snigdha Ghosh, Sabyasachi Ghosh, Sourav Sarkar, Jan-e Alam.
Physical Review C 97, 035201(2018), arXiv: 1708.08300.
- Effects of causality on the fluidity and viscous horizon of quark -gluon plasma.
Mahfuzur Rahaman, Jan-e Alam.
Physical Review C 97, 054906 (2018), arXiv: 1712.09175
- Dispersion and suppression of sound near the QCD critical point.
Md Hasanujjaman, Mahfuzur Rahaman, Abhijit Bhattacharyya, Jan-e Alam.
Physical Review C 102, 034910 (2020), arXiv: 2003.07575.
- Phenomenological Tsallis distribution from thermal field theory.
Mahfuzur Rahaman, Trambak Bhattacharyya, Jan-e Alam.
International Journal of Modern Physics A. 36, 20, 2150154 (2021), arXiv:1906.02893.
- Effect of magnetic screening mass on the diffusion of heavy quarks .
Mahfuzur Rahaman, Santosh K. Das, Jan-e Alam, Sabyasachi Ghosh.
International Journal of Modern Physics E 30 (2021) 12, 2150093 (2021), arXiv:2001.07071.
- Dynamical spectral structure of density fluctuation near QCD critical point.
Md Hasanujjaman, Golam Sarwar, Mahfuzur Rahaman, Abhijit Bhattacharyya, Jan-e Alam.
European Physical Journal A 57, 283 (2021), arXiv: 2008.03931.
- The fate of nonlinear perturbations near the QCD critical point.
Golam Sarwar, Md Hasanujjaman, Mahfuzur Rahaman, Abhijit Bhattacharyya, Jan-e Alam.
Physics Letter B 820 (2021) 136583 , arXiv: 2012.12668.
- Nonlinear waves in a hot, viscous and non-extensive quark-gluon plasma .
Golam Sarwar, Md. Hasanujjaman, Trambak Bhattacharyya, Mahfuzur Rahaman, Abhijit Bhattacharyya, Jan-e Alam.
European Physical Journal C 82 (2022) 3, 189, arXiv: 2109.11166.
Conference proceedings:
- Shear viscosity of hot hadrons-contribution from strange mesons.
Mahfuzur Rahaman, Snigdha Ghosh, Sabyasachi Ghosh, Sourav Sarkar, Jan-e Alam.
Proceedings of the 62nd DAE-BRNS Symposium on Nuclear Physics 62, 886-887 (2017).
- Effect of causality on dissipation in relativistic fluid Mahfuzur Rahaman, Jan-e Alam.
Proceedings of the s 63nd DAE-BRNS Symposium on Nuclear Physics 63 (2018) 926-927.
- Recent progresses in the "Dynamics of QCD Matter" .
Amaresh Jaiswal et. al.
International Journal of Modern Physics E 30 (2021) 02, 2130001. arXiv: 2007.14959
- The study of the propagation of nonlinear linear wave in QGP:
a possible tool to distinguish the extensive and non-extensive thermodynamic background .
Golam Sarwar, Md Hasanujjaman, Mahfuzur Rahaman, Abhijit Bhattacharyya, Jan-e Alam.
Proceedings of the 65th DAE-BRNS Symposium on nuclear physics, 636-637.
- Nonlinear waves in the search for QCD critical point .
Golam Sarwar, Md. Hasanujjaman, Trambak Bhattacharyya, Mahfuzur Rahaman, Abhijit Bhattacharyya, Jane Alam.
Proceedings of the 65th DAE-BRNS Symposium on nuclear physics, 638-639.
Books/ Chapters in books etc. : No
Presentations in Conferences/Workshops/Seminars/Symposium:
- Shear viscosity of hot hadrons -contribution from strange mesons (Poster) .
62 nd Department of Atomic Energy (DAE)- Board of Research in Nuclear Science (BRNS) Symposium on Nuclear Physics, Patiala, India.
20-th December, 2017-24th December, 2017.
- Effect of causality on relativistic fluid (Talk).
CNT workshop on effective field theory of hadrons: vacuum to medium (2018), Variable Energy Cyclotron Centre, Kolkata.
12th March, 2018-17th March, 2018.
- Effect of causality on dissipation in relativistic fluid (Talk) Quantum Chromodynamics under extreme conditions of nonzero temperature and density.
The European Centre for Theoretical Studies in Nuclear Physics and Related Areas (ECT*), Trento, Italy.
28th May, 2018-22nd June 2018.
- Effect of causality on dissipation in relativistic fluid (Poster).
63nd Department of Atomic Energy (DAE)- Board of Research in Nuclear Science (BRNS) Symposium on Nuclear Physics, Mumbai, India.
10th December, 2018- 14th December, 2018.
- QGP in external magnetic field: effect on heavy quark potential (Poster).
Quantum System in Extreme Condition, Heidelberg University, Germany.
23rd September, 2019-27th September, 2019.
- Thermal Field Theory of the Tsallis statistics (Talk).
DAE-BRNS symposium on Contemporary and Emerging Topics in High Energy Nuclear Physics (CETHENP 2019).
Variable Energy Cyclotron Centre.
25th November, 2019-27th November 2019.
- Shear viscosity of nuclear matter in the presence of magnetic field (Talk).
The DAE-BRNS High Energy Physics (HEP) Symposium.
School of Physical Sciences, National Institute of Science Education and Research (NISER), Odisha, India.
14th December, 2020 -18th December, 2020.
- Role of magnetic screening mass on heavy-quark diffusion. (poster).
The DAE-BRNS High Energy Physics (HEP) Symposium .
National Institute of Science Education and Research (NISER), Odisha, India.
14th December, 2020 -18th December, 2020.