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quant-ph2026
Entanglement Sudden Death in Gapped Ground States
Robert Ferydouni, Thomas Jackson, Samuel O. Scalet
Spatial sudden death of entanglement refers to the disappearance of quantum correlations between subsystems after a certain distance called the entanglement length. Specifically, g…
quant-ph2026
Dissipative microcanonical ensemble preparation from KMS-detailed balance
Anirban N. Chowdhury, Samuel O. Scalet, Kunal Sharma
Stationary states of quantum many-body Hamiltonians are invariant under the Hamiltonian evolution. Besides ground and thermal states, this class includes microcanonical ensembles t…
quant-ph2026
Spatial Entanglement Sudden Death in Spin Chains at All Temperatures
Samuel O. Scalet
We prove a finite entanglement length for the Gibbs state of any local Hamiltonian on a spin chain at any finite temperature: After removing an interval of size at least equal to t…