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Hyperbolic Vacua in Minkowski Space

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arxiv 2310.13663 v1 pith:BBIHLEPF submitted 2023-10-20 hep-th

Walker Melton , Filip Niewinski , Andrew Strominger , Tianli Wang This is my paper · ORCID
classification hep-th
keywords vacuahyperbolicminkowskipoincaresitterspacevacuumalpha
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abstract

Families of Lorentz, but not Poincare, invariant vacua are constructed for a massless scalar field in 4D Minkowski space. These are generalizations of the Rindler vacuum with a larger symmetry group. Explicit expressions are given as squeezed excitations of the Poincare vacuum. The effective reduced vacua on the 3D hyperbolic de Sitter slices are the well-known de Sitter $\alpha$-vacua with antipodal singularities in the Wightman function. Several special interesting cases are discussed.

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Cited by 3 Pith papers

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  3. Celestial Chiral Algebras and Self-Dual Gravity

    hep-th 2025-07 conditional novelty 4.0 of 10

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