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Symmetry, Integrability and Geometry: Methods and Applications, 2014, Volume 10, 085, 45 pp.
DOI: https://doi.org/10.3842/SIGMA.2014.085
(Mi sigma950)
 

This article is cited in 6 scientific papers (total in 6 papers)

The Ongoing Impact of Modular Localization on Particle Theory

Bert Schroerab

a Institut für Theoretische Physik, FU-Berlin, Arnimallee 14, 14195 Berlin, Germany
b CBPF, Rua Dr. Xavier Sigaud 150, 22290-180 Rio de Janeiro, Brazil
Full-text PDF (613 kB) Citations (6)
References:
Abstract: Modular localization is the concise conceptual formulation of causal localization in the setting of local quantum physics. Unlike QM it does not refer to individual operators but rather to ensembles of observables which share the same localization region, as a result it explains the probabilistic aspects of QFT in terms of the impure KMS nature arising from the local restriction of the pure vacuum. Whereas it played no important role in the perturbation theory of low spin particles, it becomes indispensible for interactions which involve higher spin $s\geq1$ fields, where is leads to the replacement of the operator (BRST) gauge theory setting in Krein space by a new formulation in terms of stringlocal fields in Hilbert space. The main purpose of this paper is to present new results which lead to a rethinking of important issues of the Standard Model concerning massive gauge theories and the Higgs mechanism. We place these new findings into the broader context of ongoing conceptual changes within QFT which already led to new nonperturbative constructions of models of integrable QFTs. It is also pointed out that modular localization does not support ideas coming from string theory, as extra dimensions and Kaluza–Klein dimensional reductions outside quasiclassical approximations. Apart from hologarphic projections on null-surfaces, holograhic relations between QFT in different spacetime dimensions violate the causal completeness property, this includes in particular the Maldacena conjecture. Last not least, modular localization sheds light onto unsolved problems from QFT's distant past since it reveals that the Einstein–Jordan conundrum is really an early harbinger of the Unruh effect.
Keywords: modular localization; string-localization; integrable models.
Received: July 5, 2013; in final form July 28, 2014; Published online August 13, 2014
Bibliographic databases:
Document Type: Article
Language: English
Citation: Bert Schroer, “The Ongoing Impact of Modular Localization on Particle Theory”, SIGMA, 10 (2014), 085, 45 pp.
Citation in format AMSBIB
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  • This publication is cited in the following 6 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    Symmetry, Integrability and Geometry: Methods and Applications
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