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55 papers · 1 filter
Pseudogap-induced change in the nature of the Lifshitz transition in the two-dimensional Hubbard model
Maria C. O. Aguiar, Helena Bragança, Indranil Paul +1
We study the behavior of the density of states and the nematic susceptibility extracted from Raman response data across the doping-driven Lifshitz transition comparing the…
Antisymmetric Raman response
Mattia Udina, Indranil Paul
We develop the theory of antisymmetric Raman response, defined as the difference between the Raman signals of two scattering geometries related by an exchange of mutually perpendic…
Cascades in transport and optical conductivity of Twisted Bilayer Graphene
M. J. Calderón, A. Camjayi, A. Datta +1
Using a combined Dynamical Mean Field Theory and Hartree (DMFT+H) calculation we study the transport and optical properties of the 8-band heavy fermion model for Twisted Bilayer Gr…
Resilience of the quantum critical line in the Schmid transition
Nicolas Paris, Luca Giacomelli, Romain Daviet +3
Schmid predicted that a single Josephson junction coupled to a resistive environment undergoes a quantum phase transition to an insulating phase when the shunt resistance excee…
Signatures of fragmentation for periodically driven fermions
Somsubhra Ghosh, Indranil Paul, K. Sengupta
We study the possible signatures of prethermal strong Hilbert space fragmentation (HSF) for one-dimensional (1D) fermions subjected to a periodic drive. We extend the results of Ph…
Hilbert space fragmentation imposed real spectrum of non-Hermitian systems
Somsubhra Ghosh, K. Sengupta, Indranil Paul
We show that constraints imposed by strong Hilbert space fragmentation (HSF) along with the presence of certain global symmetries can ensure the reality of eigenspectra of non-Herm…