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most citedThe Hadamard condition on a Cauchy surface and the renormalized stress-energy tensor

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gr-qc2024★ 3 cited

The Hadamard condition on a Cauchy surface and the renormalized stress-energy tensor

Benito A. Juárez-Aubry, Bernard S. Kay, Tonatiuh Miramontes +1

Given a Cauchy surface in a curved spacetime and a suitably defined quantum state on the CCR algebra of the Klein-Gordon quantum field on that surface, we show, by expanding the sq…