Journal
SCIPOST PHYSICS
Volume 5, Issue 4, Pages -Publisher
SCIPOST FOUNDATION
DOI: 10.21468/SciPostPhys.5.4.033
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Funding
- ERC [771536]
- European Research Council (ERC) [771536] Funding Source: European Research Council (ERC)
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We extend the semiclassical picture for the spreading of entanglement and correlations to quantum quenches with several species of quasiparticles that have non-trivial pair correlations in momentum space. These pair correlations are, for example, relevant in inhomogeneous lattice models with a periodically-modulated Hamiltonian parameter. We provide explicit predictions for the spreading of the entanglement entropy in the space-time scaling limit. We also predict the time evolution of one- and two-point functions of the order parameter for quenches within the ordered phase. We test all our predictions against exact numerical results for quenches in the Ising chain with a modulated transverse field and we find perfect agreement. Copyright A. Bastainello and P. Calabrese This work is licensed under the Creative Commons Attribution 4.0 International License. Published by the SciPost Foundation.
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