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Twist Fields in Many-Body Physics [PDF]

open access: yesEntropy
The notion of twist fields has played a fundamental role in many-body physics. It is used to construct the so-called disorder parameter for the study of phase transitions in the classical Ising model of statistical mechanics, it is involved in the Jordan–
Benjamin Doyon
doaj   +2 more sources

Connection between the amalgam and joint embedding properties [PDF]

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2022
The paper aims to study the model-theoretic properties of differentially closed fields of zero and positive characteristics in framework of study of Jonsson theories. The main attention is paid to the amalgam and joint embedding properties of DCF theory
A.R. Yeshkeyev   +2 more
doaj   +2 more sources

R2 quantum corrected scalar field inflation

open access: yesNuclear Physics B, 2022
String theory enjoys an elevated role among quantum gravity theories, since it seems to be the most consistent UV completion of general relativity and the Standard Model.
V.K. Oikonomou, Ifigeneia Giannakoudi
doaj   +1 more source

Model theory of difference fields [PDF]

open access: yesTransactions of the American Mathematical Society, 1999
A difference field is a field with a distinguished automorphismσ\sigma. This paper studies the model theory of existentially closed difference fields. We introduce a dimension theory on formulas, and in particular on difference equations. We show that an arbitrary formula may be reduced into one-dimensional ones, and analyze the possible internal ...
Chatzidakis, Zoé, Hrushovski, Ehud
openaire   +2 more sources

Exotic $\mathbb{Z}_N$ symmetries, duality, and fractons in 3+1-dimensional quantum field theory

open access: yesSciPost Physics, 2021
Following our earlier analyses of nonstandard continuum quantum field theories, we study here gapped systems in 3+1 dimensions, which exhibit fractonic behavior.
Nathan Seiberg, Shu-Heng Shao
doaj   +1 more source

Matrix Models of Fuzzy Field Theories [PDF]

open access: yesProceedings of Corfu Summer Institute 2017 "Schools and Workshops on Elementary Particle Physics and Gravity" — PoS(CORFU2017), 2018
We briefly review the connection between the fuzzy field theories and matrix models and describe the main features of the models that appear. We summarize the different approaches to their analysis, some of the recent results and the challenges to be addressed in the future.
Šubjaková, Mária, Tekel, Juraj
openaire   +3 more sources

Field theory of the random flux model [PDF]

open access: yesJournal of Physics A: Mathematical and General, 1999
4 pages, 1 eps ...
Altland, Alexander, Simons, B. D.
openaire   +4 more sources

Unitarity in KK-graviton production, a case study in warped extra-dimensions

open access: yesJournal of High Energy Physics, 2021
The Kaluza-Klein (KK) decomposition of higher-dimensional gravity gives rise to a tower of KK-gravitons in the effective four-dimensional (4D) theory.
A. de Giorgi, S. Vogl
doaj   +1 more source

Differentially closed fields of characteristic zero with a generic automorphism

open access: yesRevista de Matemática: Teoría y Aplicaciones, 2009
Hrushovski showed that the theory of difference-differential fields of characteristic zero has a model-companion, which we shall denote DCFA. We give an axiomatization for DCFA and prove some important model-theoretic results as supersimplicity and ...
Ronald F. Bustamante Medina
doaj   +1 more source

Hamiltonian models of interacting fermion fields in quantum field theory [PDF]

open access: yesLetters in Mathematical Physics, 2019
26 ...
Alvarez, Benjamin   +2 more
openaire   +4 more sources

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