Sudhir R. Jain
Bhabha Atomic Research Centre, Mumbai
Sudhir Jain


  • PhD (Applied Mathematics), University of Mumbai (1994)

  • M.Sc. in Physics, Indian Institute of Technology, Delhi (1985)

  • B.Sc.(Hons) Physics, Hindu College, University of Delhi (1983)


  • Scientific Officer (H), Nuclear Physics Division, B.A.R.C., Mumbai
  • Professor, Homi Bhabha National Institute, Department of Atomic Energy
  • Adjunct Professor, UM-DAE Centre for Excellence in Basic Sciences, Kalina, Mumbai
  • Visiting Professor, Feza Gursey Institute, Istanbul, Turkey (2008)
  • Visiting Professor, Institut Henri Poincare, Paris, France (2007)
  • Visiting Professor, Institute of Theoretical Physics, University of Utrecht, Netherlands (one year, 2006)
  • Visiting Professor, Institute for Physical Science and Technology, University of Maryland, College Park. U.S.A. (2005)
  • Postdoctoral fellow, Centre for Nonlinear Phenomena and Complex Systems, Universite Libre de Bruxelles, Brussels, Belgium (two years, 1995-1996)

Research Interests:

  • Nonlinear dynamics and Quantum chaos
  • Non-integrable dynamics and non-equilibrium statistical mechanics
  • Semiclassical Physics
  • Random matrix theory
  • Exactly solvable models
  • Nuclear theory – structure and reactions

Selected Publications:


  • Non-Hermitian Hamiltonians in Quantum Physics, Eds Sudhir R. Jain and Z. Ahmed (Pramana-J. Phys. Vol. 73, Nos 2 & 3, Indian Academy of Sciences, Bangalore, 2009).
  • Proceedings DAE Symposium in Nuclear Physics, Eds Sudhir R. Jain, P. Shukla, A. Chatterjee, V. M. Datar Vol. 57 (Board of Research in Nuclear Sciences, DAE, 2012).
  • Proceedings International Symposium in Nuclear Physics, Eds Sudhir R. Jain, R. G. Thomas, V. M. Datar Vol. 58 (Board of Research in Nuclear Sciences, DAE, 2013).
  • Mechanics, Waves, and Thermodynamics: an example-based approach, Sudhir R. Jain (Cambridge University Press, 2016).

Selected Papers in refereed journals

  • Quantum Description of a Simple Pseudointegrable System: π/3-rhombus Billiard, D. Biswas and Sudhir R. Jain, Phys. Rev. A42, 3170 (1990).
  • Dynamical Localization in the Fermi Accelerator, Sudhir R. Jain, M. Azam and S. V. Lawande, Europhys. Lett. 13, 593 (1990).
  • Periodic orbits of an Almost Integrable System, Sudhir R. Jain and H.D. Parab, J. Phys. A25, 6669 (1992).
  • Fractal-like Quasienergy Spectrum in the Fermi-Ulam Model, Sudhir R. Jain, Phys. Rev. Lett. 70, 3553 (1993).
  • Rectangular billiard in the presence of a flux line, G. Date, Sudhir R. Jain, and M. V. N. Murthy, Phys. Rev. E51, 198 (1995).
  • Almost integrable billiards -Review Article, Sudhir R. Jain and S. V. Lawande, Proc. Indian Natl. Sci. Acad. 61A, 275 (1995).
  • Analytical tests of Gutzwiller trace formula for harmonic oscillator Potentials, M. Brack and Sudhir R. Jain, Phys. Rev. A51, 3462 (1995).
  • Nonlinear dynamics of high-j cranking model : a semiclassical approach, Sudhir R. Jain, A. K. Jain, and Z. Ahmed, Phys. Lett. B370, 1 (1996).
  • From random matrix theory to statistical mechanics - anyon gas, D. Alonso and Sudhir R. Jain, Phys. Lett. B387, 812 (1996).
  • Adiabatic geometric phases and response functions, Sudhir R. Jain and A. K. Pati, Phys. Rev. Lett. 80, 650 (1998).
  • Spacing distributions for rhombus billiards, B. Gremaud and Sudhir R. Jain, J. Phys. A (Letters) 31, 637 (1998).
  • An exactly solvable many-body problem in one dimension and the short-range Dyson model, Sudhir R. Jain and A. Khare, Phys. Lett. A 262, 35 (1999).
  • Off-diagonal long-range order in a one-dimensional many-body theory, G. Auberson, Sudhir R. Jain, and A. Khare, Phys. Lett. A 267, 293 (2000).
  • Dissipation in finite Fermi systems, Sudhir R. Jain, Nucl. Phys. A 673, 423 (2000).
  • A class of N-body problems with nearest and next-to-nearest neighbour interactions, G. Auberson, Sudhir R. Jain, and A. Khare, J. Phys. A 34, 695 (2001).
  • An empirical approach to the theory of particle and nuclear phenomena : Review and some new ideas, Raja Ramanna and Sudhir R. Jain, Pramana-j. of physics 57, 263 (2001).
  • Quantum modes built on chaotic motion - analytically exact results, Sudhir R. Jain, B. Gremaud, A. Khare, Phys. Rev. E 66, 016216 (2002).
  • Quantum limit on computational time and speed, Arun K. Pati, Sudhir R. Jain, Abhas Mitra, Raja Ramanna, Phys. Lett. A 301, 125 (2002).
  • Pseudo-unitary symmetry and Gaussian pseudo-unitary ensemble of random matrices, Z. Ahmed and Sudhir R. Jain, Phys. Rev. E (Rapid Commun.) 67, 045106 (2003).
  • Number of quantal resonances, Zafar Ahmed and Sudhir R. Jain, J. Phys. A 37, 867 (2004).
  • Time-delay plots of unflavoured baryons, Neelima G. Kelkar, M. Nowakowski, K. Khemchandani, Sudhir R. Jain, Nucl. Phys. A 730, 121 (2004).
  • Semiclassical deuteron, Sudhir R. Jain, J. Phys. G 30, 157 (2004).
  • Resonances and adiabatic invariance in classical and quantum scattering theory, Sudhir R. Jain, Phys. Lett. A 335, 87 (2005).
  • Exact solution of the Schrödinger equation for a particle in a regular N-simplex, Sudhir R. Jain, Phys. Lett. A 372, 1978 (2008).
  • Electric dipolarizability of 7Li, Sudhir R. Jain, A. K. Jain, and S. Kailas, Pramana – J. Phys. 71, 1271 (2008).
  • Random cyclic matrices, Sudhir R. Jain and S. C. L. Srivastava, Phys. Rev. E 78, 036213 (2008).
  • Dipole polarizability of 7Li from precision measurement of the elastic scattering on 208Pb below the Coulomb barrier, V. V. Parkar, V. Jha, B. J. Roy, S. Santra, K. Ramachandran, A. Shrivastava, A. Chatterjee, Sudhir R. Jain, A. K. Jain, S. Kailas, Phys. Rev. C (Rapid Commun.) 78, 021601 (2008).
  • Ground state of an arbitrary triangle with a CSM potential, Sudhir R. Jain, Pramana - J. Phys. 72, 611 (2009).
  • Origin of inertia in large amplitude motion in finite Fermi systems, Sudhir R. Jain, Pramana-J. Phys. 78, 225 (2012).
  • Kac's ring: entropy and Poincare recurrence, C. Aravind and Sudhir R. Jain, Physica A 391, 3702 (2012).
  • Nucleon-nucleon t-matrix effective interaction for (p,2p) reactions, A. K. Jain, B. N. Joshi, Sudhir R. Jain, J. Phys. G 374, 012009 (2012).
  • Pseudo-Hermitian random matrix theory, (Invited review), S. C. L. Srivastava, Sudhir R. Jain, Fortchritte der Physik 61, 276 (2013).
  • Record statistics in random vectors and quantum chaos, S. C. L. Srivastava, A. Lakshminarayan, Sudhir R. Jain, Europhys. Lett. 101, 10003 (2013).
  • Nonlinear normal modes and quanta in the β-Fermi Pasta Ulam model, R. L. Sonone, Sudhir R. Jain, Eur. Phys. J. ST 222, 601 (2013).
  • Nodal domains of an equilateral triangle billiard, R. Samajdar, Sudhir R. Jain, J. Phys A 47, 195101 (2014). Feature Article (cover)
  • Crossing a nonlinear resonance, Sudhir R. Jain, Resonance 19, 797 (2014).
  • Quantum states built on classical nonlinear resonances for slowly deforming billiards, Nandan Jha, Sudhir R. Jain, AIP Conf. Proc. 1619, 109 (2014).
  • A nodal domain theorem for integrable billiards in two dimensions, Rhine Samajdar and Sudhir R. Jain, Ann. Phys. 351, 1 (2014).
  • Finite time exponent for a random Ehrenfest gas, Sanjay Moudgalya, Sarthak Chandra, and Sudhir R. Jain, Ann. Phys. 361, 82 (2015).
  • Semiclassical theory of melting of shell effects in nuclei with temperature, Harjeet Kaur and Sudhir R. Jain, J. Phys. G 42, 115103 (2015).
  • Phase space trajectories and Lyapunov exponents in the dynamics of an alpha-helical protein lattice with intra- and inter-spine interactions, K. Anjelin Jeba, M. Latha, and Sudhir R. Jain, Chaos (in press, 2015).
H. C. Pradhan
Senior Scientist
H.C. Pradhan


  • M.Sc.(Physics)-University of Bombay (1967)
  • Sc.D.-Massachusetts Institute of Technology (M.I.T), Cambridge, U.S.A. (1971)


  • From July 2012 - DAE Raja Ramanna Fellow, HBCSE,TIFR and UM-DAE CBS, Mumbai
  • From January 2012 – Senior Scientist, UM-DAE CBS
  • October 1988 - June 2011 - Homi Bhabha Centre for Science Education (HBCSE), TIFR, Mumbai
  • Centre Director and Senior Professor (2008 – 2011)
  • Dean of HBCSE Faculty and Professor (1999 – 2008)
  • October 1980 – October 1988 – Western Regional Instrumentation Centre, University of Mumbai
  • Principal Scientific Officer from 1984 to 1988
  • October 1974 – October 1980 – Ramnarain Ruia College, Mumbai (Senior Lecturer)

Research Interests:

Nuclear physics, Physics education, School mathematics and science education (Students’ alternative conceptions in physics and mathematics, laboratory development in physics, students’ knowledge organization in science, problem solving in mathematics and physics, and capacity building of undergraduate students in physics), Curriculum development, Students’ talent nurture, Career guidance, Science popularization, Grass root educational projects.

Selected Publications:


In Journals (52):

Theoretical Nuclear Physics (7), Physics Education (37), Mathematics/Science Education (8)     


Authored (17), Translated (3), Edited  (12 +  2 volumes of an encyclopedia + 2 volumes of a knowledge book)
Chapters in books (6 NCERT text books + 1), Book reviews (9)

Popular Science

Articles (96)

Editing Periodicals (4 + 2 current)


Swaminathan Kailas
Senior Scientist



  • M.Sc ( Madras University) 1970

  • Ph.D ( Mumbai University) 1977

  • Post doc, Indiana Univesrsity 1978-80

  • Research associate, University of Washington, Seattle 1988-89

Research Areas:

  • Nuclear Physics
  • Accelerator based Multidisciplinary research
  • Accelerator based applications

Positions held:

  • Senior Scientist – CEBS since October 2013
  • Director , Physics Group, Bhabha Atomic Research Centre (2010- 2013)
  • President, Indian Physics Association (2010-2012)
  • Chairman, Basic Sciences Committee, BRNS ( since 2010)
  • Chairman, Programme Advisory  Committee, DST ( 2009-2012)
  • Member, Scientific Advisory Committee VECC and RRCAT until May 2013
  • Institute of Physics Council until May 2013

List of publications: (most recent)

  • One hundred years of Nuclear Physics – Progress and Prospects  Pramana.J.Phys. 82, 619 (2014)

  • Understanding fusion and its suppression for the 9Be projectile with different targets V. Jha, V. V. Parkar and S. Kailas Phys. Rev. C 89, 034605 (2014)

  • Measurement of evaporation residue excitation functions for the 19F+194,196,198Pt reactions  V.Singh……..S.Kailas  Phys. Rev. C 89,024609 (2014)

  • Opportunities in the industry and academic institutions in Physics inspired mega science programmes Physics news, April 2013

  • Complete fusion of 7Li + 144,152 Sm  P.K.Rath…….S.Kailas  Phys. Rev. C 88, 044617 (2013)

  • Opportunities in the DAE – Partners in Progress  Science and Culture, 79, Jan-Feb,2013

  • Nuclear temperatures from evaporation fragment spectra  A.Ray……S.Kailas   Phys. Rev. C 87, 064604 (2013)

  • Neutron multiplicity measurements for 19F + 194,196,198Pt systems to investigate the effect of shell closure on nuclear dissipation  Phys. Rev. C 87, 064601 (2013)

  • Determination of 241Pu(n,f) cross sections by surrogate ratio method   V.V.Desai………S.Kailas   Phys. Rev.C 87, 034604 (2013)

  • Determination of shell correction energies at saddle point using pre-scission neutron multiplicity K.S.Golda……S.Kailas   Nucl. Phys. A 913, 157 (2013)

  • Role of cluster structure of 7Li in the dynamics of fragment capture A. Shirvastava……S.Kailas  Phys. Lett. B 718, 931 (2013)

  • Exploring the break up and transfer coupling in 9Be elastic scattering V.V.Parkar…….S.Kailas  Phys. Rev. C 87, 034602 (2013)


  • Fellow of Indian National Science Academy (2013)
  • Indian Academy of science (1995)
  • Institute of Physics(UK)(2010)
  • Maharashtra Academy of Science(2011)
  • Tamilnadu Academy of Science(2010)                                                     
  • Sir C.V.Raman medal in Physical Sciences from the Indian Science Congress Association(2012)
  • Indian Nuclear Society award for Radiation science/technology (2007)
  • DAE Group Achievement award (2011)
Srinivas Krishnagopal
Srinivas Krishnagopal

Educational Qualification:

Srinivas Krishnagopal completed his Masters in Physics from the Indian Institute of Technology Bombay in 1985, and his Ph.D. in accelerator physics from Cornell University, in 1990. During his Ph.D. he worked, with Bob Siemann, on the beam-beam interaction in colliders, and made important contributions to the understanding of bunch-length effects in the beam-beam interaction, and beam-energy inequality. In particular he studied the dynamics of round-beam colliders: this included a study of the beam-beam compensation experiment at DCI.


From 1990-92 he worked at the Lawrence Berkeley Laboratory, with Andy Sessler, on free-electron laser theory. This included a study of resonator stability, and new concepts such as the multi-cavity FEL, and design of a proposed infrared FEL. At LBL he also performed some of the first full-fledged simulations of collective effects in the beam-beam interaction, for round beams.

Srinivas returned to India in 1993, and joined the Centre for Advanced Technology, where he has been since. Initially he worked on accelerator theory. He extended his earlier work on collective effects in colliders, by writing a PIC code to study beam-beam dynamics with the more realistic flat beams, and was able to show, in simulations, the collective period-n oscillations that were observed to limit the luminosity at LEP. He also worked on the beam-beam interaction in asymmetric colliders and on symmetry-breaking and energytransparency in the beam-beam interaction. In addition, he proposed a new FEL concept, the two-colour FEL, and a new theory of gain and saturation in FELs. He also worked on start-up and saturation in SASE FELs. Later, he took up the challenge of technology development and built up a group that has indigenously developed a Plane-Wave Transformer linac and undulators for the CUTE-FEL project, and are working on photoinjectors for short wavelength FELs. Since 2008 he has been at the Bhabha Atomic Research Centre, where his interests are in high-current proton linear accelerators, free-electron lasers and plasma-based accelerators.

Selected Publications:

  • Bunch-length effects in the beam-beam interaction, S. Krishnagopal and R. Siemann, Phys. Rev. D 41, 2312 (1990).
  • The coherent beam-beam interaction in electron-positron colliders, S. Krishnagopal and R. Siemann, Phys. Rev. Lett. 67, 2461 (1991).
  • The multi-cavity free-electron laser, S. Krishnagopal, G. Rangarajan and A. M. Sessler, Optics Communications 100 (1993) 518.
  • The two-colour free-electron laser, S. Krishnagopal and V. Kumar, Optics Communications 119 (1995) 313.
  • Luminosity-limiting coherent phenomena in electron-positron colliders, S. Krishnagopal, Phys. Rev. Lett. 76, 235 (1996).
  • Gain and saturation in free-electron laser oscillators, V. Kumar and S. Krishnagopal, Phys. Rev. E 55, 1887 (1997).
  • Start-up and saturation in SASE FELs using a time-dependent analysis, Vinit Kumar and S. Krishnagopal, Physics Review E 65, 016503 (2001).
  • Free-electron lasers and their applications, S. Krishnagopal, V. Kumar, S. Maiti, S. S. Prabhu, S. K. Sarkar, Current Science, 87, 1066 (2004).
  • A new tuning procedure for a photocathode RF gun, Shankar Lal, K. K. Pant and S. Krishnagopal, Nucl. Instr. and Meth. A 592, 180 (2008).
  • Design, Construction and Characterization of the CUTE-FEL undulator, V. Kumar, B. Biswas and S. Krishnagopal, Pramana – Journal of Physics, 71, 1321 (2008).
Sangita Bose
Reader "F"
Sangita Bose -


  • Ph.D. in Physics, Tata Institute of Fundamental Research, Mumbai (2007) Thesis title “Finite size effects in nanostructured superconductors”
  • Master of Science in Physics, Calcutta University (2000)
  • Bachelor of Science in Physics (Honors) Calcutta University (1998)


  • Alexander Von Humboldt (Post-doctoral) Fellow, Nanoscale Science Department, Max Planck Institute for Solid State Research, Stuttgart, Germany.(August 2007- January 2010)
  • Visiting Scientist, Department of Condensed Matter Physics and Materials Science, Tata Institute of Fundamental Research, Mumbai. (February 2010-June 2010)

Research Interest:

My research interest is broadly based on experimental condensed matter physics and nanoscience. Specialized topics of interest are listed below.

Nanomaterials and low dimensional systems, Thin films, Superconductivity, Magnetism,Transport based spectroscopic measurements, Low temperature Physics, Low temperature Scanning tunneling microscopy (STM)

My current interest revolves around the study of electronic properties of superconducting and magnetic thin films, nanostructures and nanocomposites using transport based spectroscopic methods.

Selected Publications:

Papers related to Nanoscale superconductivity:

  • Mechanism of the size dependence of superconducting transition temperature in nanocrystalline Nb Sangita Bose, Pratap Raychaudhuri, Rajarshi Banerjee, Parinda Vasa and Pushan Ayyub, Phys Rev Lett. 95, 147003 (2005).
  • Upper critical field in nanostructured Nb: Competing effects of the reduction in density of states and the mean free path Sangita Bose, Pratap Raychaudhuri, Rajarshi Banerjee and Pushan Ayyub, Phys. Rev. B, 74, 224502 (2006).
  • Study of proximity effect in Pb/Ag nanocomposites Sangita Bose and Pushan Ayyub, Phys. Rev. B, 76, 144510 (2007).
  • Proximity effect controlled superconducting behavior of novel biphasic Pb-Sn nanoparticles embedded in an Al matrix Sangita Bose et al. , Acta Materialia, 56, 4552 (2008).
  • Competing effects of surface phonon softening and quantum size effects on the superconducting properties of nanostructured Pb Sangita Bose et al., J. Physics, Condens. Matter, 21, 205702 (2009).
  • Observation of shell effects in superconducting nanoparticles of Sn Sangita Bose et al., Nature Materials 9,550-554 (2010), Highlighted in Nature Nanotechnology 5, 558 (2010)

Other Topics:

  • Size effects on the local magnetism and Kondo behaviour of isolated Fe impurity in nanocrystalline metallic hosts S. N. Mishra, S. Bose, P. Vasa and P. Ayyub, Phys. Rev. B 71, 094429 (2005).
  • Quasiparticle Chirality in Epitaxial Graphene Probed at the Nanometer Scale I. Brihuega, P. Mallet, C. Bena, S. Bose, C. Michaelis, L. Vitali, F. Varchon, L. Magaud, K. Kern & J. Y. Veuillen, Phys. Rev. Lett., 101, 206802 (2008).
  • Image potential states as quantum probe of graphene interfaces Sangita Bose et al. New Journal of Physics, 12, 023028 (2010)


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About Us

CBS was set up by the Department of Atomic Energy and the University of Mumbai in 2007. CBS offers a 5 year integrated MSc program in Basic Sciences, with undergraduate teaching embedded in a postgraduate and research environment, for students who have completed 10+2 schooling or its equivalent.