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math-ph2022★ 1 cited
Entanglement entropy of ground states of the three-dimensional ideal Fermi gas in a magnetic field
Paul Pfeiffer, Wolfgang Spitzer
We study the asymptotic growth of the entanglement entropy of ground states of non-interacting (spinless) fermions in subject to a non-zero, constant magnetic field p…
math-ph2022★ 2 cited
Rényi entropies of the free Fermi gas in multi-dimensional space at high temperature
Hajo Leschke, Alexander V. Sobolev, Wolfgang Spitzer
We study the local and (bipartite) entanglement Rényi entropies of the free Fermi gas in multi-dimensional Euclidean space in thermal equilibrium. We prove positivit…