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hep-th2025
Entanglement Hamiltonian after a local quench
Riccarda Bonsignori, Viktor Eisler
We investigate the dynamics of the entanglement Hamiltonian in a system of one-dimensional free fermions, following a local joining quench of two initially disconnected half-chains…
hep-th2023★ 7 cited
Boundary Symmetry Breaking in CFT and the String Order Parameter
Riccarda Bonsignori, Luca Capizzi, Pantelis Panopoulos
We consider the ground state of a one-dimensional critical quantum system carrying a global symmetry in the bulk, which is explicitly broken by its boundary conditions. We probe th…