A sharpened nuclearity condition and the uniqueness of the vacuum in QFT

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dc.creatorDybalski, Wojciech
dc.date2007-06-27
dc.date2008-07-07
dc.date.accessioned2026-07-07T11:52:41Z
dc.date.available2026-07-07T11:52:41Z
dc.descriptionIt is shown that only one vacuum state can be prepared with a finite amount of energy and it appears, in particular, as a limit of physical states under large timelike translations in any theory which satisfies a phase space condition proposed in this work. This new criterion, related to the concept of additivity of energy over isolated subsystems, is verified in massive free field theory. The analysis entails very detailed results about the momentum transfer of local operators in this model.
dc.description20 pages, LaTeX. As appeared in Communications in Mathematical Physics
dc.identifierhttps://arxiv.org/abs/0706.4049
dc.identifierhttp://arxiv.org/abs/0706.4049
dc.identifierCommun.Math.Phys.283:523-542,2008
dc.identifierdoi:10.1007/s00220-008-0514-5
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/204270
dc.subjectMathematical Physics
dc.subjectHigh Energy Physics - Theory
dc.subject81T05, 47B10, 46L40.
dc.titleA sharpened nuclearity condition and the uniqueness of the vacuum in QFT
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