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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

Associate Professor
Dept: Physical Sciences (DPS)
E-mail: slal [at] iiserkol.ac.in

All Publications:

  1. Mukherjee, Abhirup; Vidhyadhiraja, N S; Taraphder, Arghya and Lal, Siddhartha. 2023."Kondo frustration via charge fluctuations: a route to Mott localisation." New Journal of Physics, 25, 113011
  2. Patra, Siddhartha; Mukherjee, Anirban and Lal, Siddhartha. 2023."Universal entanglement signatures of quantum liquids as a guide to fermionic criticality." New Journal of Physics, 25 , 063002
  3. Patra, Siddhartha; Mukherjee, Abhirup; Mukherjee, Anirban; Vidhyadhiraja, N. S.; Taraphder, A. and Lal, Siddhartha. 2023."Frustration shapes multi-channel Kondo physics: a star graph perspective." Journal of Physics: Condens. Matter, 35, 315601
  4. Patra, Siddhartha; Basu, Somnath and Lal, Siddhartha. 2022."Unveiling topological order through multipartite entanglement." Physical Review A, 105 , 052428
  5. 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
  6. 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
  7. Patra, Siddhartha and Lal, Siddhartha. 2021."Origin of topological order in a Cooper-pair insulator." Physical Review B, 104, 144514
  8. 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
  9. Mukherjee, Anirban and Lal, Siddhartha. 2020."Holographic unitary renormalization group for correlated electrons - I: A tensor network approach." Nuclear Physics B, 960, 115170
  10. Mukherjee, Anirban and Lal, Siddhartha. 2020."Holographic unitary renormalization group for correlated electrons - II: Insights on fermionic criticality." Nuclear Physics B, 960, 115163
  11. Mukherjee, Anirban and Lal, Siddhartha. 2020."Scaling theory for Mott–Hubbard transitions: I. T = 0 phase diagram of the 1/2-filled Hubbard model." New Journal of Physics, 22, 063007
  12. Mukherjee, Anirban and Lal, Siddhartha. 2020."Scaling theory for Mott–Hubbard transitions-II: quantum criticality of the doped Mott insulator." New Journal of Physics, 22, 063008
  13. Pal, Santanu; Mukherjee, Anirban and Lal, Siddhartha. 2020."Topological approach to quantum liquid ground states on geometrically frustrated Heisenberg antiferromagnets." Journal of Physics: Condensed Matter, 32, 165805
  14. Pal, Santanu and Lal, Siddhartha. 2019."Magnetization plateaus of the quantum pyrochlore Heisenberg antiferromagnet." Physical Review B, 100, 104421
  15. Pal, Santanu; Mukherjee, Anirban and Lal, Siddhartha. 2019."Correlated spin liquids in the quantum kagome antiferromagnet at finite field: a renormalization group analysis." New Journal of Physics, 21, 023019
  16. Pal, Santanu and Lal, Siddhartha. 2017."Orbital and spin ordering physics of the Mn3 O4 spinel." Physical Review B, 96, 075139
  17. DeGottardi, Wade; Lal, Siddhartha and Vishveshwara, Smitha. 2013."Charge Fractionalization in a Mesoscopic Ring." Physical Review Letters, 110, 026402
  18. Yuan, S; Kim, M; Seeley, J. T.; Lee, J. C.T.; Lal, S.; Abbamonte, P. and Cooper, S. L.. 2012."Inelastic Light Scattering Measurements of a Pressure-Induced Quantum Liquid in KCuF3." Physical Review Letters, 109, 217402
  19. Lee, James C.T.; Yuan, Shi; Lal, Siddhartha; Joe, Young Il; Gan, Yu; Smadici, Serban; Finkelstein, Ken; Feng, Yejun; Rusydi, Andrivo; Goldbart, Paul M.; Cooper, S. Lance and Abbamonte, Peter. 2012."Two-stage orbital order and dynamical spin frustration in KCuF3." Nature Physics, 8, 63-66
  20. Dirks, Travis; Hughes, Taylor L.; Lal, Siddhartha; Uchoa, Bruno; Chen, Yung-Fu; Chialvo, Cesar; Goldbart, Paul M. and Mason, Nadya. 2011."Transport through Andreev bound states in a graphene quantum dot." Nature Physics, 7, 386-390
  21. Jaefari, Akbar; Lal, Siddhartha and Fradkin, Eduardo. 2010."Charge-density wave and superconductor competition in stripe phases of high-temperature superconductors." Physical Review B, 82, 144531
  22. Lal, Siddhartha; Gopalakrishnan, Sarang and Goldbart, Paul M.. 2010."Approaching multichannel Kondo physics using correlated bosons: Quantum phases and how to realize them." Physical Review B, 81, 245314
  23. Lal, Siddhartha and Laad, Mukul S.. 2009."Ordering from frustration in a strongly correlated one-dimensional system." International Journal of Modern Physics B, 23, 3687-3708
  24. Lal, Siddhartha and Laad, Mukul S.. 2008."From frustrated insulators to correlated anisotropic metals: charge-ordering and quantum criticality in coupled chain systems." Journal of Physics: Condensed Matter, 20, 235213
  25. Lal, Siddhartha. 2008."Transport through constricted quantum Hall edge systems: Beyond the quantum point contact." Physical Review B, 77, 035331
  26. Lal, Siddhartha. 2007."On transport in quantum Hall systems with constrictions." Europhysics Letters, 80, 17003
  27. Lal, Siddhartha; Rao, Sumathi and Sen, Diptiman. 2002."Junction of several weakly interacting quantum wires: A renormalization group study." Physical Review B, 66, 165327
  28. Lal, Siddhartha; Rao, Sumathi and Sen, Diptiman. 2002."Conductance through contact barriers of a finite-length quantum wire." Physical Review B, 65, 195304
  29. Lal, Siddhartha; Rao, Sumathi and Sen, Diptiman. 2002."Transport in quantum wires." Pramana - Journal of Physics, 58, 205
  30. Lal, Siddhartha; Rao, Sumathi and Sen, Diptiman. 2001."Electron transport through ballistic quantum channels." Applied Surface Science, 182, 377-380
  31. Lal, Siddhartha; Rao, Sumathi and Sen, Diptiman. 2001."Transport through Quasiballistic Quantum Wires: The Role of Contacts." Physical Review Letters, 87, 026801
  32. Sen, Diptiman and Lal, Siddhartha. 2000."One-dimensional fermions with incommensuration cloase to dimerization." Europhysics Letters, 52, 337-343
  33. Sen, Diptiman and Lal, Siddhartha. 2000."One-dimensional fermions with incommensuration." Physical Review B, 61, 9001-9013
  34. Tandon, Kunj; Lal, Siddhartha; Pati, Swapan K.; Ramasesha, S. and Sen, Diptiman. 1999."Magnetization properties of some quantum spin ladders." Physical Review B, 59, 396-410