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<p>Parity-inverted anti-de Sitter space — “flipped AdS” — is studied through the accelerating boundary correspondence of a moving mirror trajectory. The particle production exhibits positive energy flux and a finite total energy (unlike AdS and de Sitter respectively). The particle spectrum is of Whittaker form, with some similarities to a Planck thermal spectrum. We also derive the corresponding spacetime metric, with similarities to regular de Sitter space, but exhibiting a tower of repeated causal regions with horizons.</p>

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Through the looking-glass, and what AdS found there: quantum particle production with a Whittaker spectrum

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  • 发表日期：

    2025年8月13日

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  • Michael R. R. Good,
  • Eric V. Linder

摘要

Parity-inverted anti-de Sitter space — “flipped AdS” — is studied through the accelerating boundary correspondence of a moving mirror trajectory. The particle production exhibits positive energy flux and a finite total energy (unlike AdS and de Sitter respectively). The particle spectrum is of Whittaker form, with some similarities to a Planck thermal spectrum. We also derive the corresponding spacetime metric, with similarities to regular de Sitter space, but exhibiting a tower of repeated causal regions with horizons.