info@aliah.ac.in        

Department of  PHYSICS



Dr. Jayanta Kumar Saha Assistant Professor / PHYSICS

Email : jksaha.phys@aliah.ac.in

Address : Department of Physics IIA/27 Newtown, 2nd Floor Aliah University Kolkata-700156, India [Intercom: 3508]

Phone : 91-9434355907

Joined : 28/12/2015

Education

Ph.D. (Science), 2013
Thesis title: Atomic Structure calculations of free and confined three-body systems
West Bengal State University

M.Sc. (Physics), 2006
Specialization: High Energy Physics
Presidency College; Calcutta University


B.Sc. (Physics Hons.), 2004
Rahara Ramakrishna Mission Vivekananda Centenary College; Calcutta University

Teaching Experience

  • Guest Lecturer at the Dept. of Physics, Sarojini Naidu College for Women, Jessore road, Dum Dum during January to March 2007

  • Guest Lecturer at the Dept. of Physics, Acharya Prafulla Chandra College, New Barrackpore, Kolkata from August 2010 to Dec. 2015

  • Assistant Professor at the Dept. of Physics, Aliah University, New Town, Kolkata from Dec. 2015 to till date

Field of Specialization

  • Atomic and Molecular Physics (Theory)

  • Mathematical Physics

Courses Taught/Teaching

Autumn Semester

  • Mathematical Physics-III PH401
  • Quantum Mechanics-II PH405
  • Numerical Analysis PH407
  • Physics Laboratory PH109

Spring Semester

  • Mathematical Physics-II and Accoustics PH104
  • Quantum Mechanics-III PH406
  • Advanced Atomic and Molecular Physics PH502
  • Physics Laboratory PH292

Soft skill (Ph. D course work)

Research Area

  • Estimation of the spectral properties of free few-body systems using ab-initio Quantum Chemical Methods (Variational method and Stabilization method with explicitly correlated wave function in Hylleraas coordinates, Time dependent Perturbation theory)

  • Development of theoretical models for structure calculations of atoms and exotic systems under various types of confinements (pressure confinement, fullerene cage confinement, quantum cavity confinement, Weakly, Strongly, Quantum and Complex dusty plasma confinements)

  • Estimation of quantum entanglement entropies for the three-body quantum systems adopting explicitly correlated basis sets

Experience

  • Research Associate-I (Post Doc.) at the Department of Spectroscopy, Indian Association for the Cultivation of Science, Jadavpur from August, 2014 to December, 2015.

  • JRF/SRF in two DAE-BRNS funded projects entitled “Bound and resonance states of two electrons ions: Theoretical and experimental investigations” and “Effect of laser plasma on doubly excited states of two electron systems and its applications in plasma diagnostics” at the Department of Physics, Narula Institute of Technology, Agarpara, Kolkata during August, 2008 to March, 2014.

  • Part time research fellow at the Department of Spectroscopy, Indian Association for the Cultivation of Science, Jadavpur under February 2007 to July 2008.

Journal Papers Published

  1. Ritz variational calculation for two-electron-one-photon transitions in helium; S. Bhattacharyya, J. K. Saha, T. K. Mukherjee and P. K. Mukherjee; Phys. Rev. A 78(3), 032505 (2008)
  2. The effect of a 2s vacancy on two-electron-one-photon lines: Relativistic approach; J. K. Saha, T. K. Mukherjee, S. Fritzsche, P. K. Mukherjee; Phys. Lett. A 373(2), 252 (2009)

  3. Doubly excited 1,3Do states of two-electron atoms; J. K. Saha, S. Bhattacharyya, T. K. Mukherjee, P. K. Mukherjee; Chem. Phys. Lett. 478(4-6), 292 (2009)

  4. Doubly excited bound and resonance (3Pe) states of helium; J. K. Saha and T. K. Mukherjee; Phys. Rev. A 80(2), 022513 (2009)

  5. Borromean states of three-particle exotic systems with screened Coulomb interactions; M. Pawlak, M. Bylicki, J. K. Saha and P. K. Mukherjee; J. Phys. B 42(21), 215701 (2009)

  6. 2pnp (1,3Pe) states of neutral He and Li+ ion under Debye plasma screening; J. K. Saha, S. Bhattacharyya, T. K. Mukherjee and P. K. Mukherjee; J. Phys. B 42(24), 245701 (2009)

  7. 1,3Do and 1,3Pe states of two electron atoms under Debye plasma screening; J. K. Saha, S. Bhattacharyya, T. K. Mukherjee and P. K. Mukherjee; J. Quant. Spec. Rad. Trans. 111(5), 675 (2010)

  8. Bound 1,3Do states of helium below N=3 ionization threshold of He+; J. K. Saha, S. Bhattacharyya and T. K. Mukherjee; J. Chem. Phys. 132(13), 134107 (2010)

  9. Doubly excited 1Se resonance states of two electron atoms; J. K. Saha, S. Bhattacharyya, T. K. Mukherjee and P. K. Mukherjee; Int. J. Quan. Chem. 111(7-8), 1819 (2010)

  10. Reply to “Comment on ‘Doubly excited bound and resonance (3Pe) states of helium”’; J. K. Saha and Tapan K. Mukherjee; Phys. Rev. A 82(3), 036502 (2010)

  11. Hyperpolarizability of hydrogen atom under spherically confined Debye plasma; J. K. Saha, T. K. Mukherjee, P. K. Mukherjee and B. Fricke; Eur. Phys. J. D 62(2), 205 (2011)

  12. On the criterion of fluorescence and autoionization decay of doubly excited states of helium; J. K. Saha, S. Bhattacharyya, P. K. Mukherjee and T. K. Mukherjee; Chem. Phys. Lett. 517(4-6), 223 (2011)

  13. Effect of strongly coupled plasma on the doubly excited states of helium-like ions; J. K. Saha, T. K. Mukherjee, P. K. Mukherjee and B. Fricke; Eur. Phys. J. D 66, 43 (2012)

  14. Ground-state energy of three-body negative ions under Coulomb interaction; S. Bhattacharyya, J. K. Saha, T. K. Mukherjee, and P. K. Mukherjee; Phys. Scr. 85(6), 065305 (2012)

  15. Bound and resonance states of astrophysically important highly stripped Al under Debye plasma screening; J. K. Saha, S. Bhattacharyya and T. K. Mukherjee; Int. Rev. At. Mol. Phys. 3(1), 1 (2012)

  16. Effect of strongly coupled plasma on the magnetic dipolar and quadrupolar transitions of two-electron ions; J. K. Saha, T. K. Mukherjee, P. K. Mukherjee and B. Fricke; Phys. Plas. 20(4), 042703 (2013)

  17. Precise estimation of the energy levels of two-electron atoms under spherical confinement; S. Bhattacharyya, J. K. Saha, P. K. Mukherjee and T. K. Mukherjee; Phys. Scr. 87(6), 065305 (2013)

  18. Observation of 2p3d (1Po) −→ 1s3d (1 De) radiative transition in He-like Si, S and Cl ions; S. Kasthurirangan, J. K. Saha, A. Agnihotri, S. Bhattacharyya, D. Misra, A. Kumar, P. K. Mukherjee, J. P. Santos, A. M. Costa, P. Indelicato, T. K. Mukherjee and L. C. Tribedi; Phys. Rev. Lett. 111(24), 243201 (2013)

  19. High-resolution x-ray spectra from highly charged Si, S and Cl ions showing evidence of fluorescence active resonance states; S. Kasthurirangan, J. K. Saha, A. N. Agnihotri, A. Banerjee, A. Kumar, D. Mishra, J. P. Santos, A. M. Costa, P. Indelicato, T. K. Mukherjee and L. C. Tribedi; J. Phys.: Conf. Ser. 488, 132027 (2014)

  20. Exotic systems with screened Coulomb interactions: A study on Borromean window; S. Dutta, J. K. Saha, S. Bhattacharyya and T. K. Mukherjee; Phys. Scr. 89(1), 015401 (2014)

  21. Non-relativistic structure calculations of two-electron ions in strongly coupled plasma environment; S. Bhattacharyya, J. K. Saha and T. K. Mukherjee; Phys. Rev. A 91(4), 042515 (2015)

  22. Precise energy eigenvalues values of slowly moving hydrogen-like ions in quantum plasmas; S. Dutta, J. K. Saha and T. K. Mukherjee; Phys. Plas. 22(6), 062103 (2015)

  23. Ground-state entanglement properties of Helium atom under the finite spherical cavity; P. Koscik and J. K. Saha; Few Body Sys. 56(10), 645 (2015)

  24. Entanglement properties of the helium atom confined in an impenetrable cavity; P. Koscik and J. K. Saha; Eu. Phys. J. D 69, 250 (2015)

  25. Doublet and Quartet states of Li-like ions under hot plasma; J. K. Saha; J. Phys.: Conf. Ser. 638, 092120 (2015)

  26. Double KK excited states in highly charged sulphur; P. Amaro, J. P. Marques, P. Indelicato, T. K. Mukherjee, J. K. Saha, L. C. Tribedi and J. P. Santos; J. Phys.: Conf. Ser. 635, 022071 (2015)

  27. Electronic structure of Helium atom in a quantum dot; J. K. Saha, S. Bhattacharyya and T. K. Mukherjee; Comm. Theo. Phys. 65(3), 347 (2016)

  28. Structural properties of lithium atom under weakly coupled plasma environment; S. Dutta, J. K. Saha, R. Chandra and T. K. Mukherjee; Phys. Plas. 23(4), 042107 (2016)

  29. Investigation of Fermions in Non-commutative Space by Considering Kratzer potential; F. Hoseini, J. K. Saha and H. Hassanabadi; Comm. Theo. Phys. 65(6), 695 (2016)

  30. Structural and Thermodynamical aspects of Endohedral Metallofullerens: A DFT approach; T. Debnath, J. K. Saha, T. Ash, T. Banu and A. K. Das; Theo. Chem. Acc. 135, 167 (2016)

  31. Two-electron atoms under spherically compressed Debye plasma; J. K Saha, S. Bhattacharyya and T K Mukherjee; Phys.  Plas. 23, 092704 (2016)

  32. Ritz variational calculation for the spherically confined helium-like ions; J. K Saha, S. Bhattacharyya and T K Mukherjee; Int. J. Quan. Chem. 116, 1802 (2016)

  33. Doubly excited resonance states of helium: Complex entropies; A. Kuro, P. Koscik, J. K. Saha; Few Body Sys. 57, 1147 (2016); Erratum to: Doubly Excited Resonance States of Helium Atom: Complex entropies; A. Kuros, P. Koscik, J. K. Saha; Few Body Sys. 58, 90 (2017)

  34. Structural properties of few body atomic systems under plasma environments; S. Dutta, J. K. Saha, S. Bhattacharyya and T. K. Mukherjee; Asian J. Phys. 25(10), 2016 (Invited review article); Special issue on ”Advances in High Precision Spectroscopy and Tests of Fundamental Physics”; Edited by Bijaya Kumar Sahoo

  35. Binding energies of atoms under Maxwellian dusty plasma environment; S. Dutta, J. K. Saha, S. Bhattacharyya and T. K. Mukherjee; Int. Rev. At. Mol. Phys. 6(2), 73 (2016)

  36. Mechanistic Insight into the Enhancement of Reactivity of C60+ in Comparison with Neutral C60 and EMFs towards Different Fundamental Reactions: A DFT Approach; T. Debnath, T. Ash, J. K. Saha and A. K. Das; Chemistry Select 2, 4039 (2017)

  37. Ritz variational method for the high-lying non-autoionizing doubly excited 1,3Fe states of two-electron atoms; S. Dutta, A. N. Sil, J. K. Saha and T K Mukherjee, Int. J. Quan. Chem. (Published online, 2017)

  38. Explicitly correlated variational estimates of the energy levels of negative hydrogen ion under spatial confinement; R. Chandra, B. Dutta, J. K. Saha, S. Bhattacharyya and T. K. Mukherjee, Int. J. Quan. Chem. (Published online, 2018)

  39. Ps- and H2+ ions under spatial confinement; R. Chandra, J. K. Saha, S. Bhattacharyya and T. K. Mukherjee, J. At. Mol. Cond. Nano Phys. (Published online, 2018)

  40. Extensive investigations for metastable-bound and resonance 3Fe states of He atom;  S. Dutta, A. N. Sil, J. K. Saha and T K Mukherjee, Int. J. Quan. Chem. (Published online, 2019)

  41. Doubly excited 1,3Fe states of two-electron atoms under weakly coupled plasma environment; S. Dutta, J. K. Saha, S. Bhattacharyya, T. K. Mukherjee, Comm. Theo. Phys. (Published online, 2019)

Awards

  • “Partha Sarathi memorial Prize” for ranking first (1st) in order of merit in M. Sc. (Physics) Part-I Exam (2005)

  • “Certificate of Merit” for ranking first (1st) in order of merit in M. Sc. (Physics) (Part I+Part-II) Exam (2006)

  • Qualified the NET Exam. conducted by U.G.C-C.S.I.R, Govt. of India held on 20.06.2010

  • “International Travel support (ITS)” award given by DST, Govt. of India in June 2013

  • “Best Thesis Award” given by Indian Society for Atomic and Molecular Physics (ISAMP) at TIFR, Mumbai, India in March 2015

  • “ICPEAC Sheldon Datz Prize” in Atomic and Molecular Physics at Toledo, Spain in July, 2015

  • Competed globally and selected for participation as an young scientist in the ’66th Lindau Nobel Laureate Meetings dedicated to Physics 2016’ held at Lindau, Germany during 26th June to 1st July, 2016 [Funding: “Alcoa Foundation” and “Foundation of the Lindau Nobel Laureate Meetings”]

MASTER Thesis Guidance

2017

Bound states of quarkonium: An exact solution using semiemphirical interaction potential, Masood Kaizer, Aliah University, Kolkata

Chebyshev polynomial in physics: A survey, Mahamudul Haque, Aliah University, Kolkata

 

2016

Energy levels of two-interacting particles in an anharmonic potential: Nawaz Sharukh Mondal, Aliah University, Kolkata

InviteLectures

  1. Theoretical Chemistry and The Computational Chemistry Center of the Friedrich-Alexander University, Erlangen, Germany on 4th July, 2016

  2. Fundamental Physics for Metrology centre of German National Metrology Institute (PTB), Braunschweig, Germany on 7th July, 2016

  3. Department of Nuclear and Atomic Physics, Tata Institute for Fundamental Research (TIFR), Colaba, Mumbai, India on 10th April, 2018

Membership Of Learned Societies

  • Lifemember of Indian Physical Soceity (IPS)

  • Lifemember of Indian Association for the Cultivation of Science (IACS)

  • Lifemember of Indian Soceity for Atomic and Molecular Physics (ISAMP)

Seminar/Conference/Workshop

Participations in National Meetings

  1. Participated in the “National conference on recent advances in Photoscience” at Department of Chemistry and Indian Photobiology Society, Jadavpur University, Kolkata, India on 9th August, 2008.

  2. Poster presented on “Stabilization method for doubly excited resonance states (3Pe) of helium” at the “1st DAE-BRNS Symposium on Atomic, Molecular and Optical Physics” held at Inter University Accelerator Centre, New Delhi, India during 10-13th February, 2009.

  3. Participated in the “One Day workshop on recent trends in atomic and molecular physics research” held at Department of Physics, School of Mathematical Sciences, Ramakrishna Mission Vivekananda University, Belur Math, Howrah, India on 13th February, 2010.

  4. Poster presented on “Doubly excited 1,3Pe states of helium-like ions in weakly coupled plasma environment” at the “National Symposium on Atomic and Molecular Spectroscopy (NSAMS-2010)” held at Integrated Science Education and Research Centre (ISERC), Siksha-Bhavana (Institute of science), Visva-Bharati, Santiniketan, India during 27-28th March, 2010.

  5. Participated in the “UGC sponsored state level one day seminar on Astronomy and Astrophysics in the context of IYA-2009” held at Acharya Prafulla Chandra College, New Barrackpore, Kolkata, India on 1st December, 2010.

  6. Poster presented on “Resonance states of helium iso-electronic sequences” at the “2nd DAE-BRNS symposium on Atomic, Molecular and Optical Physics” held at Karnatak University, Dharwad, India during 22-25th February, 2011.

  7. Participated in the “One day seminar on Atomic, Molecular and Optical (AMO) Physics” held at Indian Association for the Cultivation of Science, Jadavpur, Kolkata, India on 19th August, 2011.

  8. Participated in the “UGC sponsored national level seminar on Modern trends on research in Chemistry: Scope of inclusion in Under-graduate and Post-graduate courses” held at Barasat Govt. College, Barasat, India on 7-8th September, 2011.

  9. Oral presentation on “Highly stripped aluminium under Debye plasma” in the “Workshop on highly charged ions and atomic collisions” held at Tata Institute of Fundamental Research, Colaba, Mumbai, India during 28-31st March, 2012.

  10. Poster presented on “Free and Confined highly stripped helium-like ions” in the “3rd DAE-BRNS symposium on Atomic, Molecular and Optical Physics” held at IISER, Kolkata, India during 14-17th December, 2012.

  11. Participated in the “One day seminar on Atomic, Molecular and Optical (AMO) Physics” held at Indian Association for the Cultivation of Science, Jadavpur, Kolkata, India on 18th January, 2013.

  12. Participated in the “DST-SERC School on the physics of highly charged ions” held at HBCSE Campus, Tata Institute of Fundamental Research, Mumbai, India during 10th February to 3rd March, 2013.

  13. Poster presented on “Exotic systems under plasma: A study on Borromean window” at the “Topical conference on Atomic Processes in Plasmas (ISAMP-TC-2013)" organized by Institute for Plasma Research, Gandhinagar, Gujrat, India during 18-20th November, 2013.

  14. Participated at the “Workshop on Electronic structure, Atomistic and Statistical Modeling in Chemistry, Materials and Life Sciences” held at the Department of Spectroscopy, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, India during 20-22 October, 2014.

  15. Poster presented on “Structural calculations of atoms under different confinements” at the “XX National conference on Atomic and Molecular physics (NCAMP)” held at IIST, Trivandrum, India during 8-12th December, 2014.

  16. Poster presented on “Fluorescence active auto-ionizing states under hot plasma” at the “Discussion Meeting on Frontiers in Light-Matter Interactions” held at Department of Material Science, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, India during 19-22 December,

  17. Participated at the “One-Day Discussion Meeting on Light and Photons” held at the Department of Material Science, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, India during 2015.

  18. Participated in the “Frontiers in Atomic, Molecular and Optical Sciences” Organized by Raman Centre for Atomic, Molecular and Optical Sciences (RCAMOS), Indian Association for the Cultivation of Science (IACS) Jadavpur, Kolkata during 19-20 February 2016.

  19. Participated and Local organizing Committee member of “Introductory Workshop on Astro physics and Cosmology” in collaboration with IUCAA held at the Department of Physics, Aliah University, Newtown, Kolkata during 27-28 September, 2016.

  20. Oral presentation on “Resonances in two-electron atoms” at the “UGC sponsored national seminar on Frontiers in Modern Physics” held at the Department of Physics, Jogamaya Devi College, Kolkata during 21-22 November, 2016.

  21. Invited talk given on “Fluroscence active resonances of two-electron atoms” at the “TEQIP Sponsored National Conference on Modern Trends in Physics (NCMTP-2017)” Organized by Department of Basic Science and Humanities (Physics) held at Narula Institute of Technology, Agarpara, Kolkata-700 109 on 11th March, 2017.

  22. Invited talk given on ''The stability of quantum few-body systems: A study on Borromean window'' at the ''Recent trends in Atomic, Molecular and Material Science (RTAMMS 2017)'' held at Adamas University, Barasat on 16th September, 2017.

  23. Invited talk given at the ''DST-SERC School on Atomic and Molecular Physics'' held at Ramakrishna Mission Residential College, Narendrapur, Kolkata on 19th December, 2017.

Participations in International Meetings

  1. Poster presented on “A new approach of understanding bound and resonance states of helium: Stabilization method” at the “International Conference and Humboldt Kolleg, Frontiers of Environmental and Health Sciences Useful to Mankind: A Multidisciplinary Approach” held at Scientific Convention Centre, Lucknow, India during 24-26th February, 2010.

  2. Poster presented on “Doubly excited resonance 1Se and 3Pe states of two electron atoms” at the “15th International Conference on the Physics of Highly Charged Ions, HCI-2010” held at Fudan University, Shanghai, P. R. China during 29th August to 3rd September, 2010.

  3. Poster presented on “Borromean states of exotic systems under screened coulomb interactions” at the “28th International Conference on Photonic, Electronic and Atomic collisions, ICPEAC-2013” organized by Chinese Academy of Sciences held at Lanzhou, P. R. China during 23-30th July, 2013.

  4. Poster presented on “Autoionizing states of spatially confined helium atom” and “Doublet and quartet states of Li-like systems under hot plasmas” at the “29th International Conference on Photonic, Electronic and Atomic collisions, ICPEAC-2015” organized by Universidad Autnoma de Madrid held at Toledo, Spain during 22-29th July, 2015.

  5. Participated at the “66th Lindau Nobel Laureate Meetings dedicated to Physics 2016" held at Lindau, Germany during 26th June to 1st July, 2016.

Other Notable Activities

Scientific Paper Reviewer

  • Physica Scripta (Publisher: IOP Publishing)

  • Journal of Theoretical and Applied Physics (Publisher: Springer)

  • Radiation Effects and Defects in Solids (Publisher: Taylor and Francis)

  • Indian Journal of Physics (Publisher: Springer)

  • Physics of Plasmas (Publisher: AIP)

  • European Physical Journal D (Publisher: Springer)

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Interview_Sheldon Datz    



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