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cond-mat.mes-hall2023
Bisognano-Wichmann Hamiltonian for the entanglement spectroscopy of fractional quantum Hall states
A. Nardin, R. Lopes, M. Rizzi +2
We study the Bisognano-Wichmann Hamiltonian for fractional quantum Hall states defined on a sphere and explore its relationship with the entanglement Hamiltonian associated to the…
quant-ph2023★ 4 cited
Breakdown of Linear Spin-Wave Theory in a Non-Hermitian Quantum Spin Chain
Julien Despres, Leonardo Mazza, Marco Schirò
We present the spin-wave theory of the excitation spectrum and quench dynamics of the non-Hermitian transverse-field Ising model. The complex excitation spectrum is obtained for a…