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Siddhartha Lal

Siddhartha Lal

Position
Associate Professor
Location
Department of Physical Sciences, IISER Kolkata
Room No: Research Complex (1st Floor) 112-O

Research group

Research areas

  • Strongly correlated electron systems, quantum magnetism, non-Fermi liquids, unconventional superconductivity, topological states of matter, fermionic criticality, many-particle entanglement, low-dimensional systems, quantum transport, search for quantum materials

  • Ph.D. (Physics), Indian Institute of Science, Bangalore, 2003
  • M.S. (Physics), Indian Institute of Science, Bangalore, 1998
  • B.Sc.(Physics), Calcutta University, Calcutta, 1995
  • Associate Professor, IISER-Kolkata (2019-Present)
  • Assistant Professor, IISER-Kolkata, 2010-2019
  • Ramanujan Fellowship from DST, Govt. of India (2010 - 2015)
  1. Patra, Siddhartha; Basu, Somnath and Lal, Siddhartha. 2022."Unveiling topological order through multipartite entanglement." Physical Review A, 105 , 052428
  2. Mukherjee, Anirban and Lal, Siddhartha. 2022."Superconductivity from repulsion in the doped 2D electronic Hubbard model: an entanglement perspective." J. Phys.: Condens. Matter, 34, 275601
  3. Mukherjee, Anirban; Mukherjee, Abhirup; Vidhyadhiraja, N. S.; Taraphder, A. and Lal, Siddhartha. 2022."Unveiling the Kondo cloud: Unitary renormalization-group study of the Kondo model." Physical Review B, 105, 085119
  4. Patra, Siddhartha and Lal, Siddhartha. 2021."Origin of topological order in a Cooper-pair insulator." Physical Review B, 104, 144514
  5. Mukherjee, Anirban; Patra, Siddhartha and Lal, Siddhartha. 2021."Fermionic criticality is shaped by Fermi surface topology: a case study of the Tomonaga-Luttinger liquid." Journal of High Energy Physics, 2021, 148
  6. Patra, Siddhartha; Mukherjee, Abhirup; Mukherjee, Anirban; Vidhyadhiraja, N. S.; Taraphder, A. and Lal, Siddhartha. "Frustration shapes multi-channel Kondo physics: a star graph perspective." Journal of Physics: Condens. Matter 35, 315601 (2023)
  7. Patra, Siddhartha; Mukherjee, Anirban and Lal, Siddhartha. "Universal entanglement signatures of quantum liquids as a guide to fermionic criticality." New Journal of Physics 25 , 063002 (2023)
  8. Kondo frustration via charge fluctuations: a route to Mott localisation. Abhirup Mukherjee, N S Vidhyadhiraja, A Taraphder and Siddhartha Lal. New J. Phys. 25, 113011 (2023).
  9. Holographic entanglement renormalization of fermionic quantum matter. A. Mukherjee, S. Patra and S. Lal. J. Phys. A: Math. Theor. 57, 275401 (2024).
  10. Tomonaga-Luttinger liquid and quantum criticality in spin-1/2 antiferromagnetic Heisenberg chain C14H18CuN4O10 via Wilson ratio. Sharath Kumar Channarayappa, Sankalp Kumar, N. S. Vidhyadhiraja, Sumiran Pujari, M. P. Sarvanan, Amal Sebastian, Eun Sang Choi, Shalinee Chikara, Dolly Nambi, Athira Suresh, S. Lal and Deepshikha Jaiswal-Nagar. PNAS Nexus 3, 363 (2024).