EPQM: Publications and Preprints

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The Physics of Quantum 2.0: Challenges in understanding Quantum Matter
Nano Futures 8, 042502 (2024)Siddhartha Lal, Mayank Shreshtha
Mott criticality as the confinement transition of a pseudogap-Mott metal
New J. Phys. 28 013503 (2026)Abhirup Mukherjee, S R Hassan, Anamitra Mukherjee, N S Vidhyadhiraja, A Taraphder, Siddhartha Lal
Holographic entanglement renormalisation for fermionic quantum matter: geometrical and topological aspects
J. Phys. A: Math. Theor. 57 275401 (2024)Abhirup Mukherjee, Siddhartha Patra, Siddhartha Lal
Kondo frustration via charge fluctuations: a route to Mott localisation
New J. Phys. 25 113011 (2023)Abhirup Mukherjee, N. S. Vidhyadhiraja, A. Taraphder, Siddhartha Lal
Universal entanglement signatures of quantum liquids as a guide to fermionic criticality
New J. Phys. 25 063002 (2023)Siddhartha Patra, Anirban Mukherjee, Siddhartha Lal
Frustration shapes multi-channel Kondo physics: a star graph perspective
J. Phys.: Condens. Matter 35 315601 (2023)Siddhartha Patra, Abhirup Mukherjee, Anirban Mukherjee, N. S. Vidhyadhiraja, A. Taraphder, Siddhartha Lal
Graph Polynomial for Colored Embedded Graphs: A Topological Approach
arXiv:2204.13876Somnath Basu, Dhruv Bhasin, Siddhartha Lal, Siddhartha Patra
Unveiling the Kondo cloud: unitary RG study of the Kondo model
Physical Review B 105, 085119 (2022)Anirban Mukherjee, Abhirup Mukherjee, N. S. Vidhyadhiraja, A. Taraphder, Siddhartha Lal
Unveiling topological order through multipartite entanglement
Physical Review A 105, 052428 (2022)Siddhartha Patra, Somnath Basu, Siddhartha Lal
Holographic entanglement renormalisation of topological order in a quantum liquid
J. Phys.: Condens. Matter 34, 275601 (2022)Anirban Mukherjee, Siddhartha Lal
Origin of Topological Order in a Cooper Pair Insulator
Phys. Rev. B 104, 144514 (2021)Siddhartha Patra, Siddhartha Lal
Holographic unitary renormalization group for correlated electrons -- II: insights on fermionic criticality
Nuclear Physics B 960, 115163 (2020)Anirban Mukherjee, Siddhartha Lal
Holographic unitary renormalization group for correlated electrons -- I: a tensor network approach
Nuclear Physics B 960, 115170 (2020)Anirban Mukherjee, Siddhartha Lal
Fermionic criticality is shaped by Fermi surface topology: a case study of the Tomonaga-Luttinger liquid
Journal of High Energy Physics 04,148 (2021)Anirban Mukherjee, Siddhartha Patra, Siddhartha Lal
Scaling theory for Mott–Hubbard transitions: II. T = 0 phase diagram of the 1/2-filled Hubbard model
New J. Phys. 22, 063008 (2020)Anirban Mukherjee, Siddhartha Lal
Scaling theory for Mott–Hubbard transitions: I. T = 0 phase diagram of the 1/2-filled Hubbard model
New J. Phys. 22, 063007 (2020)Anirban Mukherjee, Siddhartha Lal
Non-perturbative approach to quantum liquid ground states on geometrically frustrated Heisenberg antiferromagnets
J. Phys.: Condens. Matter 32, 165805 (2020)Santanu Pal, Anirban Mukherjee, Siddhartha Lal
Magnetisation plateaux of the quantum pyrochlore Heisenberg antiferromagnet
Phys. Rev. B 100, 104421 (2019)Santanu Pal, Siddhartha Lal
Correlated spin liquids in the quantum kagome antiferromagnet at finite field: a renormalisation group analysis
New J. Phys. 21, 023019 (2019)Santanu Pal, Anirban Mukherjee, Siddhartha Lal
Orbital and spin ordering physics of the Mn$$_3$$O$$_4$$ spinel
Phys. Rev. B 96, 075139 (2017)Santanu Pal, Siddhartha Lal
Topological transitions in Ising models
arXiv:1610.09845Somenath Jalal, Rishabh Khare, Siddhartha Lal
Emergent Spin Hall phase at a Lifshitz transition from competing orders
arXiv:1407.6539N. Mohanta, S. Bandopadhyay, Siddhartha Lal, A. Taraphder
Charge Fractionalization in a Mesoscopic Ring
Phys. Rev. Lett. 110, 026402 (2013)Wade DeGottardi, Siddhartha Lal, Smitha Vishveshwara
Inelastic Light Scattering Measurements of a Pressure-Induced Quantum Liquid in KCuF3
Phys. Rev. Lett. 109, 217402 (2012)S. Yuan, M. Kim, J. T. Seeley, J. C. T. Lee, S. Lal, P. Abbamonte, S. L. Cooper
Transport Through Andreev Bound States in a Graphene Quantum Dot
Nature Physics 7, 386 (2011)Travis Dirks, Taylor L. Hughes, Siddhartha Lal, Bruno Uchoa, Yung-Fu Chen, Cesar Chialvo, Paul M. Goldbart, Nadya Mason
Charge-Density-Wave and Superconductor Competition in Stripe Phases of High Temperature Superconductors
Physical Review B 82, 144531 (2010)Akbar Jaefari, Siddhartha Lal, Eduardo Fradkin
Two-step stabilization of orbital order and the dynamical frustration of spin in the model charge-transfer insulator KCuF3
Nature Physics, Vol. 8, 63 (2012)James C. T. Lee, Shi Yuan, Siddhartha Lal, Young Il Joe, Yu Gan, Serban Smadici, Ken Finkelstein, Yejun Feng, Andrivo Rusydi, Paul M. Goldbart, S. Lance Cooper, Peter Abbamonte
Approaching multichannel Kondo physics using correlated bosons: Quantum phases and how to realize them
Phys. Rev. B 81, 245314 (2010)Siddhartha Lal, Sarang Gopalakrishnan, Paul M. Goldbart
Transport through constricted quantum Hall edge systems: beyond the quantum point contact
Phys. Rev. B 77, 035331 (2008)Siddhartha Lal
Ordering from frustration in a strongly correlated one-dimensional system
arXiv:0708.2156Siddhartha Lal, Mukul S. Laad
From frustrated insulators to correlated anisotropic metals: charge ordering and quantum criticality in coupled chain systems
arXiv:0708.2159Siddhartha Lal, Mukul S. Laad
On transport in quantum Hall systems with constrictions
Europhysics Letters, Vol. 80, 17003 (2007).Siddhartha Lal
Charge ordering in quasi-one-dimensional systems with frustrating interactions
arXiv:cond-mat/0511458Siddhartha Lal, Mukul S. Laad
On charge and spin ordering in a one-dimensional model with frustrating interactions
arXiv:cond-mat/0510016M. S. Laad, Siddhartha Lal
Junction of several weakly interacting quantum wires: a renormalization group study
Phys. Rev. B 66 (2002) 165327Siddhartha Lal, Sumathi Rao, Diptiman Sen
Transport in quantum wires
Pramana 58, 205 (2002)S. Lal, S. Rao, D. Sen
Conductance through contact barriers of a finite length quantum wire
Physical Review B 65, 195304 (2002)Siddhartha Lal, Sumathi Rao, Diptiman Sen
Transport through quasi-ballistic quantum wires: the role of contacts
Phys. Rev. Lett. 87 (2001) 026801Siddhartha Lal, Sumathi Rao, Diptiman Sen
Electron transport through ballistic quantum channels
Applied Surface Science 182, 377 (2001)S. Lal, S. Rao, D. Sen
One-dimensional fermions with incommensuration
Phys. Rev. B 61 (2000) 9001 - 9013Diptiman Sen, Siddhartha Lal
One-dimensional fermions with incommensurate hopping close to dimerization
Europhys.Lett. 52 (2000) 337-343Diptiman Sen, Siddhartha Lal
Magnetization Properties of Some Quantum Spin Ladders
Phys. Rev. B 59 (1999) 396 - 410Kunj Tandon, Siddhartha Lal, Swapan K. Pati, S. Ramasesha, Diptiman Sen