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भारतीय विज्ञान शिक्षा एवं अनुसंधान संस्थान कोलकाता

INDIAN INSTITUTE OF SCIENCE EDUCATION AND RESEARCH KOLKATA

... towards excellence in science

An Autonomous Institution, Under the Ministry of Education, Government of India

Siddhartha Lal

Professor
Dept: Physical Sciences (DPS)
E-mail: slal [at] iiserkol.ac.in
Personal homepage: Click Here

Research Interest:
 

I am a condensed matter theorist. My research involves understanding the physics of strongly interacting quantum matter, with topics ranging from strongly-correlated electronic systems, quantum magnetism, topological phases of matter, non-Fermi liquids, unconventional superconductivity, many-particle entanglement, low-dimensional systems and quantum transport. One of my primary goals is to understand the fascinating and complex phenomenology displayed by many materials studied in the laboratory. I approach the problem by studying paradigmatic model Hamiltonians that are known to capture effectively the physics at the heart of many well-known quantum materials. An excellent example involves studying the two-dimensional Hubbard model on the square lattice to understand the enduring puzzle of high-temperature superconductivity displayed by the Cuprate family of materials. Such problems are hard as inter-particle interactions are of the same order as the kinetic energies, often causing perturbative approaches to fail. For dealing with such problems, I have developed a non-perturbative framework based on the renormalisation group. This is yielded a host of fresh insights and results on several challenging problems. Please consult my personal website (link given above) and list of publications (on the arXiv, link given below) for further details.

Academic Background:

  1. Ph.D (Physics), Indian Institute of Science, Bangalore, 2003
  2. M.S. (Physics), Indian Institute of Science, Bangalore, 1998
  3. B.Sc. (Hons.) (Physics), Asutosh College (University of Calcutta), 1995

Positions:

  1. Professor, IISER Kolkata (current)
  2. Associate Professor, IISER Kolkata (2019 - 2025)
  3. Assistant Professor, IISER Kolkata (2010 - 2019)
  4. Postdoctoral Fellow, Department of Physics and Inst. for Cond. Matt. Theory, Univ. of Illinois at Urbana-Champaign (2008 - 2010)
  5. Postdoctoral Fellow, Abdus Salam International Centre for Theoretical Physics, Trieste (2006 - 2008)
  6. Postdoctoral Fellow, Institute for Theoretical Physics, University of Cologne (2002 - 2006)

Awards and Honors:

  1. Ramanujan Fellowship from Department of Science and Technology, Govt. of India (2010)

List of Publications:

  1. Click Here