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cond-mat.stat-mech2023
Signature of Criticality in Angular Momentum Resolved Entanglement of Scalar Fields in
Mrinal Kanti Sarkar, Saranyo Moitra, Rajdeep Sensarma
The scaling of entanglement entropy with subsystem size fails to distinguish between gapped and gapless ground state of a scalar field theory in dimensions. We show that the…
cond-mat.stat-mech2023★ 2 cited
Building Entanglement Entropy out of Correlation Functions for Interacting Fermions
Saranyo Moitra, Rajdeep Sensarma
We provide a prescription to construct Rényi and von Neumann entropy of a system of interacting fermions from a knowledge of its correlation functions. We show that Rényi entanglem…