176 citations · 1.7k across the 56 of their papers we have counts for
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Entanglement resolution of free Dirac fermions on a torus
Alessandro Foligno, Sara Murciano, Pasquale Calabrese
Whenever a system possesses a conserved charge, the density matrix splits into eigenspaces associated to the each symmetry sector and we can access the entanglement entropy in a gi…
Entanglement and negativity Hamiltonians for the massless Dirac field on the half line
Federico Rottoli, Sara Murciano, Erik Tonni +1
We study the ground-state entanglement Hamiltonian of several disjoint intervals for the massless Dirac fermion on the half-line. Its structure consists of a local part and a bi-lo…
Entanglement barrier and its symmetry resolution: theory and experiment
Aniket Rath, Vittorio Vitale, Sara Murciano +6
The operator entanglement (OE) is a key quantifier of the complexity of a reduced density matrix. In out-of-equilibrium situations, e.g. after a quantum quench of a product state,…
Rényi entropy and negativity for massless complex boson at conformal interfaces and junctions
Luca Capizzi, Sara Murciano, Pasquale Calabrese
We consider the ground state of a theory composed by species of massless complex bosons in one dimension coupled together via a conformal interface. We compute both the Rényi e…
Entanglement asymmetry as a probe of symmetry breaking
Filiberto Ares, Sara Murciano, Pasquale Calabrese
Symmetry and symmetry breaking are two pillars of modern quantum physics. Still, quantifying how much a symmetry is broken is an issue that has received little attention. In extend…
Symmetry-resolved Page curves
Sara Murciano, Pasquale Calabrese, Lorenzo Piroli
Given a statistical ensemble of quantum states, the corresponding Page curve quantifies the average entanglement entropy associated with each possible spatial bipartition of the sy…
Multi-charged moments of two intervals in conformal field theory
Filiberto Ares, Pasquale Calabrese, Giuseppe Di Giulio +1
We study the multi-charged moments for two disjoint intervals in the ground state of two dimensional CFTs with central charge and global symmetry: the massless D…
Rényi entropy and negativity for massless Dirac fermions at conformal interfaces and junctions
Luca Capizzi, Sara Murciano, Pasquale Calabrese
We investigate the ground state of a (1+1)-dimensional conformal field theory built with species of massless free Dirac fermions coupled at one boundary point via a conformal j…
Symmetry-resolved entanglement in a long-range free-fermion chain
Filiberto Ares, Sara Murciano, Pasquale Calabrese
We investigate the symmetry resolution of entanglement in the presence of long-range couplings. To this end, we study the symmetry-resolved entanglement entropy in the ground state…
The Negativity Hamiltonian: An operator characterization of mixed-state entanglement
Sara Murciano, Vittorio Vitale, Marcello Dalmonte +1
In the context of ground states of quantum many-body systems, the locality of entanglement between connected regions of space is directly tied to the locality of the corresponding…