Entanglement of the Vacuum between Left, Right, Future, and Past: Dirac spinor in Rindler spaces and Kasner spaces
arXiv:2104.06625 · doi:10.1103/PhysRevD.103.125005
Abstract
We study the relations of the positive frequency mode functions of Dirac field in 4-dimensional Minkowski spacetime covered with Rindler and Kasner coordinates, and describe the explicit form of the Minkowski vacuum state with the quantum states in Kasner and Rindler regions, and analytically continue the solutions. As a result, we obtain the correspondence of the positive frequency mode functions in Kasner region and Rindler region in a unified manner which derives vacuum entanglement.
arXiv comment24 pages, 3 figures, 1 table
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- Fluctuations and non-Gaussianity in de Sitter spacetime from holographic entanglement entropy