Academic Qualifications :

• B. Sc. (Physics) : 1992, North Lakhimpur College, Dibrugarh University
• M. Sc. (Physics) : 1994, Gauhati University
• M. Phil. (Environmental Science) : 2000, Gauhati University
• Ph. D. (Astroparticle Physics) : 2007, Gauhati University

Accomplishments :

• Cleared the UGC-CSIR NET for Lectureship (LS) in July 2001
• Visiting Associate of the Inter-University Centre for Astronomy and Astrophysics
  (IUCAA) for periods of August 1, 2016 to July 31, 2019; August 1, 2019 to July 31, 2022 and August 1, 2022 to July 31, 2025.
• Trusted Reviewer Status award from IOP Publishing, 2023.

Professional Experience :

• Professor, Department of Physics, Dibrugarh University (October 2022 - Present)
• Associate Professor, Department of Physics, Dibrugarh University (July 2019 - October 2022)
• Assistant Professor, Department of Physics, Dibrugarh University (April 2009 - July 2019)
• Visiting Fellow (Post Doctoral Fellow), Tata Institute of Fundamental Research (TIFR), Mumbai (April 2007 – April 2009)
• Lecturer, Department of Physics, Sibsagar College, Dibrugarh University (November 2006 - March 2007)
• Lecturer, Department of Physics, D. R. College, Dibrugarh University (November 2004 - October 2006)
• Lecturer, Central Institute of Himalayan Culture Studies, Dahung, Arunachal Pradesh, India (December 2003 - September 2004)
• Lecturer, Department of Physics, Udalguri College, Gauhati University (August 1995 - September 1999)

Areas of Interest / Specialization :

• Astronomy; Astrophysics; Cosmology; Astroparticle Physics; Theoretical Physics

Major Events Organized :

• National Conference on Current Issues in Cosmology, Astrophysics and High Energy Physics (CICAHEP), November 2-5, 2015
• National Workshop on Gravitational Wave Astronomy (NWGWA), in collaboration with the Inter-University Centre for Astronomy and Astrophysics (IUCAA), Pune, November 2-4, 2016

Research Scholars :

1. Dr. Gouree Shankar Das (Gamma-ray Astronomy; Ph.D. awarded : April, 2019; Thesis title : A study on few Sensitive Parameters for the Effective Gamma-Hadron Separation in Gamma-Ray Experiments)
2. Dr. Poppy Hazarika (Gamma-ray Astronomy; Ph.D. awarded : April, 2020; Thesis title : A study on Cherenkov photons in Extensive Air Showers and an analysis of the HAGAR telescope data for TeV Gamma-rays emission from few astrophysical sources)
3. Dr. Saumen Acharjee (Superconductivity and magnetic materials; Ph.D. awarded: August, 2020; Thesis title : A study on Ferromagnet-Superconductor Heterostructure with special application to F|S|F Spin Valves)
4. Dr. Dhruba Jyoti Gogoi (Gravitational Wave Physics; Ph.D. awarded: June, 2023; Thesis title : Nature of Gravitational Waves in Modified Theories of Gravity)
5. Dr. Jyatsnasree Bora (Asteroseismology; Ph.D. Awarded: June, 2023; Thesis title : A study on some aspects of Gravitational Waves Asteroseismology of Compact Stars)
6. Dr. Nashiba Parbin (Dark Matter; Ph.D. Awarded: February, 2024; Thesis title : A Study on Dark Matter in the Framework of Modified Theories of Gravity)
7. Mr. Ronit Karmakar (Black Hole Physics; On-going)
8. Ms. Gayatri Mohan (Dark Matter; On-going)
9. Mr. Pranjal Sarmah (Alternative Cosmology; On-going)
10. Mr. Swaraj Pratim Sarmah (Cosmic Ray Physics; On-going)
11. Mr. Arshad Hussain (X-ray Astronomy; On-going)
12. Mr. Privatus Pius (Galaxy Dynamics; On-going)

ORCID Link : http://orcid.org/0000-0003-0012-7549

Research Publications :

• G. Mohan and U. D. Goswami, Galactic dynamics in the presence of scalaron: A perspective from f(R) gravity, Phys. Scr. 99, 095025 (2024); arXiv:2403.16522.
• S. P. Sarmah and U. D. Goswami, Anisotropies of diffusive ultra-high energy cosmic rays in f(R) gravity theory, Astropart. Phys. 163, 103005 (2024); arXiv:2309.14361.
• P. Sarmah and U. D. Goswami, Dynamical system analysis of LRS-BI Universe with f(Q) gravity theory, Phys. Dark Universe 46, 101556 (2024); arXiv:2403.16118.
• S. P. Sarmah and U. D. Goswami, Propagation and Fluxes of Ultra-High Energy Cosmic Rays in f(R) Gravity Theory, Eur. Phys. J. C 84, 419 (2024). 
• R. Karmakar and U. D. Goswami, Quasinormal modes, temperatures and greybody factors of black holes in a generalized Rastall theory, Phys. Scr. 99, 055003 (2024); arXiv:2310.18594.
• M. Zuberi, S. Ahmad,M. Chakraborty, A. Chandra, S. R. Dugad, U. D. Goswami, S. K. Gupta, B. Hariharan, Y. Hayashi et al., Probing atmospheric effects using GRAPES-3 plastic scintillator detectors, Eur. Phys. J. C 84, 255 (2024).
• F. Varsi, S. Ahmad, M. Chakraborty, A. Chandra, S. R. Dugad, U. D. Goswami, S. K. Gupta, B. Hariharan, Y. Hayashi et al., Evidence of a Hardening in the Cosmic Ray Proton Spectrumat around 166 TeV Observed by the GRAPES-3 Experiment, Phys. Rev. Lett. 132, 051002 (2024).
• M. Chakraborty, S. Ahmad, A. Chandra, S. R. Dugad, U. D. Goswami, S. K. Gupta, B. Hariharan et al., Small-scale Cosmic-Ray Anisotropy Observed by the GRAPES-3 Experiment at TeV Energies, ApJ 961, 87 (2024).
• G. Mohan and U. D. Goswami, Galactic Rotation Curves of Spiral Galaxies and Dark Matter in f(R, T) Gravity, IJGMMP 21, 2450082 (2024); arXiv:2211.02948.
• N. Parbin, D. J. Gogoi, J. Bora and U. D. Goswami,  Deflection angle, quasinormal modes and optical properties of a de Sitter black hole in f(T,B) gravity, Phys. Dark Universe 42, 101315 (2023); arXiv:2211.02414.
• N. Parbin, D. J. Gogoi and U. D. Goswami, Weak gravitational lensing and shadow cast by rotating black holes in axionic Chern-Simons theory, Phys. Dark Universe 41, 101265 (2023); arXiv:2305.09157.
• N. Parbin and U. D. Goswami, Galactic rotation dynamics in a new f(R) gravity model, Eur. Phys. J. C 83, 411 (2023); arXiv:2208.06564.
• R. Karmakar, D. J. Gogoi and U. D. Goswami, Thermodynamics and Shadows of GUP-corrected Black Holes with Topological Defects in Bumblebee Gravity, Phys. Dark Universe 41, 101249 (2023); arXiv:2303.00297.
• F. Varsi, S. Ahmad, M. Chakraborty, A. Chandra, S. R. Dugad, U. D. Goswami, S. K. Gupta et al., A GEANT4 based simulation framework for the large area muon telescope of the GRAPES-3 experiment, JINST 18, P03046 (2023).
• P. Sarmah, A. De and U. D. Goswami, Anisotropic LRS-BI Universe with f(Q) gravity theory, Phys. Dark Universe 40, 101209 (2023); arXiv:2303.05905.
• D. J. Gogoi and U. D. Goswami, Tideless Traversable Wormholes surrounded by cloud of strings in f(R) gravity, JCAP 02, 027 (2023); arXiv:2208.07055.
• D. J. Gogoi, R. Karmakar and U. D. Goswami, Quasinormal Modes of Non-Linearly Charged Black Holes surrounded by a Cloud of Strings in Rastall Gravity, IJGMMP 20, 2350007 (2023); arXiv:2111.00854.
• R. Karmakar, D. J. Gogoi and U. D. Goswami, Quasinormal modes and thermodynamic properties of GUP-corrected Schwarzschild black hole surrounded by quintessence, IJMPA 37, 2250180 (2022); arXiv:2206.09081.
• J. Bora and U. D. Goswami, Gravitational wave echoes from compact stars in f(R,T) gravity, Phys. Dark Universe 38, 101132 (2022); arXiv:2207.12847.
• J. Bora, D. J. Gogoi and U. D. Goswami, Strange stars in f(R) gravity Palatini formalism and gravitational wave echoes from them, JCAP 09, 057 (2022); arXiv:2204.05473.
• P. Sarmah and U. D. Goswami, Bianchi Type I model of universe with customized scale factors, MPLA 37, 2250134 (2022); arXiv:2203.00385.
• D. Pattanaik, S. Ahmad, M. Chakraborty, S. R. Dugad, U. D. Goswami, S. K. Gupta et al., Validating the improved angular resolution of the GRAPES-3 air shower array by observing the Moon shadow in cosmic rays, Phys. Rev. D 106, 022009 (2022).
• D. J. Gogoi and U. D. Goswami, Quasinormal Modes and Hawking Radiation Sparsity of GUP corrected Black Holes in Bumblebee Gravity with Topological Defects, JCAP 06, 029 (2022); arXiv:2203.07594.
• J. Bora and U. D. Goswami, Radial oscillations and gravitational wave echoes of strange stars with nonvanishing lambda, Astropar. Phys. 143, 102744 (2022); arXiv:2105.04145.
• D. J. Gogoi and U. D. Goswami, Cosmology with a new f(R) gravity model in Palatini formalism, IJMPD 31, 2250048 (2022); arXiv:2108.01409.
• S. Acharjee and U. D. Goswami, Signature of anomalous Andreev bound states in magnetic Josephson junction of noncentrosymmetric superconductor on a topological insulator, Physica E 135, 114967 (2022); arXiv:2105.00629.
• D. J. Gogoi and U. D. Goswami, Gravitational Waves in f(R) Gravity Power Law Model, Indian J. Phys. 96, 637 (2022); arXiv:1901.11277.
•  N. Parbin and U. D. Goswami, Scalarons mimicking Dark Matter in the Hu-Sawicki model of f(R) gravity,  MPLA  36, 2150265 (2021); arXiv:2007.07480.
• D. J. Gogoi and U. D. Goswami, Quasinormal Modes of Black Holes with Non-Linear-Electrodynamic sources in Rastall Gravity, Phys. Dark Universe 33, 100860 (2021); arXiv:2104.13115.
• J. Bora and U. D. Goswami, Radial oscillations and gravitational wave echoes of strange stars for various equations of state, MNRAS 502, 1557 (2021); arXiv:2007.06553.
• D. J. Gogoi and U. D. Goswami,  A new f(R) Gravity Model and properties of Gravitational Waves in it, Eur. Phys. J. C 80, 1101 (2020); arXiv:2006.04011.
• U. D. Goswami, Supersymmetric hybrid inflation with non-minimal coupling to gravity, EPJ Plus 135, 44 (2020); arXiv:1705.05540.
• S. Acharjee and U. D. Goswami, Spin transport and Spin Tunnelling Magneto-Resistance (STMR) of F|NCSC|F spin valve, JMMM 495, 165844 (2020); arXiv:1906.05081.
• S. Acharjee and U. D. Goswami, Effect of Rashba spin-orbit coupling, magnetization and mixing of gap parameter on tunneling conductance in F|NCSC junction of an F|NCSC|F spin valve, Supercond. Sci. Technol. 32, 085004 (2019); arXiv:1810.06261.
• G. S. Das, P. Hazarika, U. D. Goswami, A simulation study onbfew parameters of Cherenkov photons in extensive air showers of different primaries incident at various zenith angles over a high altitude observation level, Astroparticle Physics 100, 38 (2018); arXiv:1609.08996.
• S. Acharjee and U. D. Goswami, Current induced magnetization dynamics and magnetization switching in superconducting ferromagnet hybrid (F|S|F) structures, J. Appl. Phys. 120, 243902 (2016); arXiv:1604.08704.
• I. Pahwa, H. Nandan and U. D. Goswami, Shear Dynamics in Higher Dimensional FLRW Cosmology, Astrophys. Space Sci. (2015) 360:58; arXiv:1404.1878.
• P. Hazarika, U. D. Goswami, V. R. Chitnis, B. S. Acharya, G. S. Das, B. B. Singh, R. J. Britto, Lateral density and arrival time distributions of Cherenkov photons in extensive air showers: A simulation study, Astroparticle Physics 68, 16 (2015); arXiv:1404.2068.
• NilsM. Bezares-Roder, H. Nandan and U. D. Goswami, Primeval acceleration and bounce conditions within Induced Gravity, Gravitation and Cosmology 20(1), 55 (2014); arXiv:1101.4490.
• U. D. Goswami and K. Deka, Cosmological dynamics of f(R) gravity scalar degree of freedom in Einstein frame, International Journal of Modern Physics D 22, 1350083 (2013).
• C. P. Pandey, U. D. Goswami, H. Dehnen and S. Bisht, Anharmonic vibrations in pulsating stars, Indian Journal of Physics 86(9), 849 (2012).
• U. D. Goswami, H. Nandan and M. Sami, Formation of caustics in Dirac-Born-Infeld type scalar field systems, Physical Review D 82, 103530 (2010).
• A. Oshima, S. R. Dugad, U. D. Goswami, S. K.Gupta et al., The angular resolution of the GRAPES-3 array from the shadows of the Moon and the Sun, Astroparticle Physics 33, 97 (2010).
• P. Subramanian, H. M. Antia, S. R. Dugad, U. D. Goswami, S. K. Gupta et al., Forbush decreases and turbulence levels at CME fronts, Astronomy & Astrophysics 494, 1107 (2009).
• P. K. Mohanty, S. R. Dugad, U. D. Goswami, S. K. Gupta et al., Measurement of some EAS properties using new scintillator detectors developed for the GRAPES-3 experiment, Astroparticle Physics 31, 24 (2009).
• U. D. Goswami, Charmed hadron production in pp collision, Astroparticle Physics 28, 251 (2007).
• U. D. Goswami and K. Boruah, Search for Higgs boson in UHE cosmic rays, Czechoslovak Journal of Physics 55, 657 (2005).
• U. D. Goswami, K. Boruah, P. K. Boruah and T. Bezboruah, Reanalysis of GU Miniarray data using CORSIKA, Astroparticle Physics 22, 421 (2005).
• U. D. Goswami and K. Boruah, Simulation for signature of Higgs boson in UHE Cosmic ray interactions through vacuum excitation, Indian Journal of Physics 78(11), 1253 (2004).

• Mathematical Physics
• Nuclear Physics
• Statistical Mechanics
• High Energy Physics
• Astronomy, Astrophysics and Cosmology
• Research Methodology (Programing and Numerical Techniques)

• Completed DST sponsored research project entitled "Study of TeV gamma ray emission frommagnetars using HAGAR telescope of Indian Astronomical Observatory at Hanle (SR/S2/HEP/-12/2010 (G))” (2012 – 2015). Total cost: Rs. 14,50,000/-