Birla Institute of Technology, Mesra
   
Dr. Suman Ghosh
Assistant Professor, Physics
Ph.D. (IIT Kharagpur)
Contact Address
Permanent Address Department of Physics, BIT Mesra
Local Address Department of Physics, BIT Mesra
Phone (Office) 9433907900
Phone Residence 8085044526
Email Id suman.ghosh@bitmesra.ac.in
Joined Institute on : 15-Dec-2021
  Work Experience
 
Teaching : 5.5 Years

Research : 17 Years

Individual: 00 Years

  Professional Background

19.05.2017 – 15.12.2021 : Assistant Professor
Department of Physics
Indira Gandhi National Tribal University, Amarkantak


03.08.2015 – 02.08.2016 : Visiting Fellow (Post-Doc)
Department of Astronomy and Astrophysics
Tata Institute of Fundamental Research, Mumbai


02.07.2013 - 01.07.2015 : Post Doctoral Research Associate II
Department of Theoretical Sciences
S. N. Bose National Centre for Basic Sciences, Kolkata


15.03.2011 - 28.06.2013 : Research Associate
School of Physics
Indian Institute of Science Education and Research Thiruvananthapuram


July, 2005 - Feb, 2011 : Ph.D.
Department of Physics
Indian Institute of Technology Kharagpur
Thesis title: Warped cosmological brane-worlds: geometry, geodesics and particle creation
Advisor: Prof. Sayan Kar

  Research Areas
 

Theoretical physics, Gravitation, Cosmology, Quantum fields in curved space, Wormholes, Octonions, Spacetime torsion...

  Award and Honours
 
  1. Selected as Visiting associate of Inter University Centre for Astronomy and Astrophysics (IUCAA), Pune, India for durations 2018-2021 and 2021-2024.
  2. Senior Research Fellowship Individual awarded by CSIR, Government of India (2009).
  3. Junior Research (Institute) Fellowship awarded by IIT Kharagpur, India (2005).
  4. Qualified NET-JRF (National Eligibility Test), in Physical Sciences, held on 28th December, 2003 with a rank among top 20%.
  5. Qualified GATE (Graduate Aptitude Test in Engineering) securing All India Rank 59 in Physics, in 2004.
   Publications
 

Google Scholar page :https://scholar.google.com/citations?hl=en&user=lzDPbOEAAAAJ&view_op=list_works&alert_preview_top_rm=2

arXiv page for free access to preprints of the articles: http://arxiv.org/a/ghosh_s_14 

  • Journal Articles:

16. Vivek Sharma and Suman Ghosh, Geodesic congruences in 5D warped Ellis–Bronnikov spacetimes, Eur. Phys. J. Plus (2022) 137:881, 01 August 2022, [DOI:10.1140/epjp/s13360-022-03086-8] , IF – 3.911.


15. Vivek Sharma and Suman Ghosh, Geodesics in Generalised Ellis-Bronnikov Spacetime Embedded in Warped 5D Background, Eur. Phys. J. C (2022) 82:702, 13 August 2022 [DOI: 10.1140/epjc/s10052-022-10682-6], IF – 4.590.

 

14. Vivek Sharma and Suman Ghosh, Generalised Ellis–Bronnikov wormholes embedded in warped braneworld background and energy conditions, Eur. Phys. J. C (2021) 81:1004, 14 November 2021 [DOI: 10.1140/epjc/s10052-021-09789-z] , IF – 4.590.


13. Suman Ghosh, Particle creation by a massless spin-1/2 field in a warped cosmological braneworld scenario, JCAP 08 040, August 24, 2020 [DOI: 10.1088/1475-7516/2020/08/040] , IF – 5.839.


12. Suman Ghosh, Renormalized stress tensor of a quantized massless scalar field in warped cosmological braneworld background, Eur. Phys. J. C (2019) 79:239, 7 March 2019 [DOI: 10.1140/epjc/s10052-019-6760-1] , IF – 4.590.


11. Karan Fernandes, Amitabha Lahiri and Suman Ghosh, Constrained field theories on spherically symmetric spacetimes with horizons, Phys. Rev. D 95, 045012, 10 pages, 22 February 2017 [DOI: 10.1103/PhysRevD.95.045012] , IF – 5.296.


10. Suman Ghosh, Spin 1/2 field and regularization in de Sitter and radiation dominated universe, Phys. Rev. D 93, 044032, 13 pages, 11 February 2016 [DOI: 10.1103/Phys-RevD.93.044032] , IF – 5.296.


9. Suman Ghosh, Entanglement entropy due to near horizon degrees of freedom, Eur. Phys. J. Plus 130: 154, 10 pages, 30 July 2015 [DOI: 10.1140/epjp/i2015-15154-9] , IF – 3.911.


8. Suman Ghosh, Creation of spin 1/2 particles and renormalization in FLRW spacetime, Phys. Rev. D. 91, 124075, 8 pages, 30 June 2015 [DOI: 10.1103/PhysRevD.91.1240759] , IF – 5.296.


7. S. Santhosh Kumar, Suman Ghosh and S. Shankaranarayanan, Entanglement entropy for non-zero genus topologies, Phys. Rev. D 89, 065019, 14 pages, 17 March 2014 [DOI: 10.1103/PhysRevD.89.065019] , IF – 5.296.


6. Suman Ghosh and S. Shankaranarayanan, 5D non-symmetric gravity and geodesic confinement, Gen. Rel. Grav. 45, 1787-1804, 26 June 2013 [DOI: 10.1007/s10714-013-1557-2] , IF – 2.513.


5. Suman Ghosh and S. Shankaranarayanan, Entanglement signatures of phase transition in higher-derivative quantum field theories, Phys. Rev. D 86, 125011, 10 pages, 4 December 2012 [DOI: 10.1103/PhysRevD.86.125011] , IF – 5.296.


4. Suman Ghosh, Anirvan Dasgupta and Sayan Kar, Geodesic congruences in warped spacetimes, Phys. Rev. D 83, 084001, 10 pages, 1 April 2011 [DOI: 10.1103/PhysRevD.83.084001] , IF – 5.296.


3. Suman Ghosh, Hemwati Nandan and Sayan Kar, Confinement of test particles in warped spacetimes, Phys. Rev. D 82, 024040, 12 pages, 30 July 2010 [DOI: 10.1103/PhysRevD.82.024040] , IF – 5.296.


2. Suman Ghosh and Sayan Kar, Bulk spacetimes for cosmological braneworlds with a time-dependent extra dimension, Phys. Rev. D 80, 064024, 16 pages, 17 September 2009 [DOI: 10.1103/PhysRevD.80.064024] , IF – 5.296.


1. Suman Ghosh and Sayan Kar, Particle creation in the presence of a warped extra dimension, JCAP 0808, 001, 18 pages, 1 August 2008 [DOI:10.1088/1475-7516/2008/08/001] , IF – 5.839.

 

  • Conference Proceedings

3. Suman Ghosh, On the creation of spin 1/2 particles and renormalization in FLRW spacetime, Proceedings of Fourteenth Marcel Grossman Meeting on General Relatrivity, La Sapienza University, Rome, Italy 12-18 July (2015), pp. 3767-3772 (2017) [doi: 10.1142/9789813226609 0495].
2. Suman Ghosh and S. Shankaranarayanan, Linear higher derivative field theories, entanglement entropy and quantum phase transition, based on talk presented at COSGRAV12 (ISI Kolkata), J. Phys.: Conf. Ser. 405, 012016 (2012).
1. Suman Ghosh, Some classical and quantum aspects of cosmological braneworlds with a time-dependent extra dimension, based on talk presented at Spanish Relativity Meeting - ERE 2009, J. Phys.: Conf. Ser. 229, 012039 (2010).

  Member of Professional Bodies
 
  1. Life member of Indian Association for General Relativity and Gravitation (IAGRG)
  Current Sponsored Projects
 
  1. Project completed under UGC-BSR Start Up grant of Rs. 10 Lakh awarded by University Grant Commission, Govt. of India (2018-2021). Project title—“ Quantum Spinor Fields in Cosmological Background”.