Quantum quenches in the Ising chain exhibit qualitatively distinct out-of-equilibrium dynamics when crossing continuous versus first-order quantum transitions depending on the transverse field strength.
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Numerical quench dynamics in 1D N-flavor Gross-Neveu lattice fermions show order-parameter equilibration consistent with ETH in the thermodynamic limit and GGE description, while finite-momentum correlations equilibrate only with nonzero reservoir coupling γ.
Conjectures that for quenches within the same phase the initial ground state has largest overlap with post-quench ground state; confirmed analytically and numerically for TFIM and special case of ANNNI.
citing papers explorer
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Quantum quenches across continuous and first-order quantum transitions in one-dimensional quantum Ising models
Quantum quenches in the Ising chain exhibit qualitatively distinct out-of-equilibrium dynamics when crossing continuous versus first-order quantum transitions depending on the transverse field strength.
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Post-quench relaxation dynamics of Gross-Neveu lattice fermions
Numerical quench dynamics in 1D N-flavor Gross-Neveu lattice fermions show order-parameter equilibration consistent with ETH in the thermodynamic limit and GGE description, while finite-momentum correlations equilibrate only with nonzero reservoir coupling γ.
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Extension of the Adiabatic Theorem
Conjectures that for quenches within the same phase the initial ground state has largest overlap with post-quench ground state; confirmed analytically and numerically for TFIM and special case of ANNNI.