114 citations · 450 across the 25 of their papers we have counts for
6 papers · 1 filter
Berezinskii-Kosterlitz-Thouless Renormalization Group Flow at a Quantum Phase Transition
Matthias Thamm, Harini Radhakrishnan, Hatem Barghathi +4
We present a controlled numerical study of the Berezinskii-Kosterlitz-Thouless (BKT) transition in the one-dimensional Bose-Hubbard model at unit filling, providing evidence of the…
A Scaling Function for the Particle Entanglement Entropy of Fermions
Harini Radhakrishnan, Matthias Thamm, Hatem Barghathi +2
Entanglement entropy under a particle bipartition provides complementary information to mode entanglement as it is sensitive to interactions and particle statistics at leading orde…
One-particle entanglement for one dimensional spinless fermions after an interaction quantum quench
Matthias Thamm, Harini Radhakrishnan, Hatem Barghathi +2
Particle entanglement provides information on quantum correlations in systems of indistinguishable particles. Here, we study the one particle entanglement entropy for an integrable…
Balls and Walls: A Compact Unary Coding for Bosonic States
Hatem Barghathi, Caleb Usadi, Micah Beck +1
We introduce a unary coding of bosonic occupation states based on the famous "balls and walls" counting for the number of configurations of indistinguishable particles on d…
Rényi generalization of the operational entanglement entropy
Hatem Barghathi, C. M. Herdman, Adrian Del Maestro
Operationally accessible entanglement in bipartite systems of indistinguishable particles could be reduced due to restrictions on the allowed local operations as a result of partic…
Particle partition entanglement of one dimensional spinless fermions
Hatem Barghathi, Emanuel Casiano-Diaz, Adrian Del Maestro
We investigate the scaling of the Rényi entanglement entropies for a particle bipartition of interacting spinless fermions in one spatial dimension. In the Tomonaga-Luttinger liqui…