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A bound on thermal ...
A bound on thermal relativistic correlators at large spacelike momenta
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- Banerjee, Souvik (författare)
- Uppsala universitet,Teoretisk fysik
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- Papadodimas, Kyriakos (författare)
- Abdus Salaam Int Ctr Theoret Phys, Str Costiera 11, I-34151 Trieste, Italy.
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- Raju, Suvrat (författare)
- Tata Inst Fundamental Res, Int Ctr Theoret Sci, Shivakote 560089, Bengaluru, India.
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- Samantray, Prasant (författare)
- BITS Pilani Hyderabad Campus, Dept Phys, Shamirpet Mandal 500078, Secunderabad, India.
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- Shrivastava, Pushkal (författare)
- Tata Inst Fundamental Res, Int Ctr Theoret Sci, Shivakote 560089, Bengaluru, India.
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(creator_code:org_t)
- SCIPOST FOUNDATION, 2020
- 2020
- Engelska.
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Ingår i: SciPost Physics. - : SCIPOST FOUNDATION. - 2542-4653. ; 8:4
- Relaterad länk:
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https://doi.org/10.2...
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https://uu.diva-port... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.2...
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Abstract
Ämnesord
Stäng
- We consider thermal Wightman correlators in a relativistic quantum field theory in the limit where the spatial momenta of the insertions become large while their frequencies stay fixed. We show that, in this limit, the size of these correlators is bounded by e(-beta R), where R is the radius of the smallest sphere that contains the polygon formed by the momenta. We show that perturbative quantum field theories can saturate this bound through suitably high-order loop diagrams. We also consider holographic theories in d-spacetime dimensions, where we show that the leading two-point function of generalized free-fields saturates the bound in d = 2 and is below the bound for d > 2. We briefly discuss interactions in holographic theories and conclude with a discussion of several open problems.
Ämnesord
- NATURVETENSKAP -- Fysik -- Subatomär fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Subatomic Physics (hsv//eng)
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- art (ämneskategori)
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