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Entanglement in massive Schwinger model at finite temperature and density

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arxiv 2312.03172 v2 pith:QJDERAYX submitted 2023-12-05 hep-th hep-phnucl-th

Entanglement in massive Schwinger model at finite temperature and density

classification hep-th hep-phnucl-th
keywords finiteentanglementtemperatureangledensityentropicfunctionintervals
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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abstract

We evaluate the entanglement entropy and entropic function of massive two dimensional QED (Schwinger model) at finite temperature, density, and $\theta$-angle. In the strong coupling regime, the entropic function is dominated by the boson mass for large spatial intervals, and reduces to the CFT result for small spatial intervals. We also discuss the entanglement spectrum at finite temperature and a finite $\theta$-angle.

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Cited by 4 Pith papers

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