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cond-mat.quant-gas2024
The Smearing of Quasi-Particles: Signatures in the Entanglement Entropy of Excited Many-Particle Systems
Jagannath Sutradhar, Jonathan Ruhman, Avraham Klein +2
The entanglement spectrum serves as a powerful tool for probing the structure and dynamics of quantum many-body systems, revealing key information about symmetry, topology, and exc…
cond-mat.quant-gas2014★ 12 cited
The internal structure of a vortex in a two-dimensional superfluid with long healing length and its implications
A. Klein, O. Agam, I. Aleiner
We analyze the motion of quantum vortices in a two-dimensional spinless superfluid within Popov's hydrodynamic description. In the long healing length limit (where a large number o…