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CERN Document Server 2,021 записей найдено  1 - 10следующийконец  перейти к записи: Поиск длился 0.65 секунд. 
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Higher-form symmetries and their anomalies in M-/F-theory duality / Cvetic, Mirjam (Pennsylvania U. ; Maribor U.) ; Dierigl, Markus (Munich U., ASC) ; Lin, Ling (CERN) ; Zhang, Hao Y. (Pennsylvania U.)
We explore higher-form symmetries of M- and F-theory compactified on elliptic fibrations, determined by the topology of their asymptotic boundaries. The underlying geometric structures are shown to be equivalent to known characterizations of the gauge group topology in F-theory via Mordell--Weil torsion and string junctions. [...]
arXiv:2106.07654; CERN-TH-2021-091; UPR-1311-T; LMU-ASC 17/21.- Geneva : CERN, 2021-12-15 - 35 p. - Published in : Phys. Rev. D 104 (2021) 126019 Fulltext: 2106.07654 - PDF; PhysRevD.104.126019 - PDF;
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The Fate of Discrete 1-Form Symmetries in 6d / Apruzzi, Fabio (Oxford U., Inst. Math.) ; Dierigl, Markus (Pennsylvania U.) ; Lin, Ling (CERN)
Recently introduced generalized global symmetries have been useful in order to understand non-perturbative aspects of quantum field theories in four and lower dimensions. In this paper we focus on 1-form symmetries of weakly coupled 6d supersymmetric gauge theories coupled to dynamical tensor multiplets. [...]
arXiv:2008.09117; CERN-TH-2020-132.- 2022-02-01 - 48 p. - Published in : SciPost Phys. 12 (2022) 047 Fulltext: SciPostPhys_12_2_047 - PDF; document - PDF; 2008.09117 - PDF;
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Flavor Symmetries and Automatic Enhancement in the 6d Supergravity Swampland / Cvetic, Mirjam (Pennsylvania U. ; Maribor U. ; CERN) ; Lin, Ling (CERN) ; Turner, Andrew P. (Pennsylvania U.)
We argue for the quantum-gravitational inconsistency of certain 6d $\mathcal{N}=(1,0)$ supergravity theories, whose anomaly-free gauge algebra $\mathfrak{g}$ and hypermultiplet spectrum $M$ were observed in arxiv:2012.01437 to be realizable only as part of a larger gauge sector $(\mathfrak{g}' \supset \mathfrak{g}, M' \supset M)$ in F-theory. To detach any reference to a string theoretic method of construction, we utilize flavor symmetries to provide compelling reasons why the vast majority of such $(\mathfrak{g},M)$ theories are not compatible with quantum gravity constraints, and how the "automatic enhancement" to $(\mathfrak{g}', M')$ remedies this. [...]
arXiv:2110.00008; CERN-TH-2021-144; UPR-1315-T.- 2022-02-08 - 30 p. - Published in : Phys. Rev. D 105 (2022) 046005 Fulltext: PDF;
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One Loop to Rule Them All: Eight and Nine Dimensional String Vacua from Junctions / Cvetič, Mirjam (Pennsylvania U. ; Maribor U. ; CERN) ; Dierigl, Markus (Munich U., ASC) ; Lin, Ling (CERN) ; Zhang, Hao Y. (Pennsylvania U.)
String and 5-brane junctions are shown to succinctly classify all known 8d ${\cal N}$=1 string vacua. This requires an extension of the description for ordinary $[p,q]$-7-branes to consistently include O7$^+$-planes, which then naturally encodes the dynamics of $\mathfrak{sp}_n$ gauge algebras, including their higher-form center symmetries. [...]
arXiv:2203.03644; CERN-TH-2022-032; LMU-ASC 10/22; UPR-1316-T.- 2022-07-15 - 44 p. - Published in : Phys. Rev. D Fulltext: PDF;
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Origin of Abelian Gauge Symmetries in Heterotic/F-theory Duality / Cvetic, Mirjam (Pennsylvania U. ; Maribor U.) ; Grassi, Antonella (Pennsylvania U., Dept. Math.) ; Klevers, Denis (CERN) ; Poretschkin, Maximilian (Pennsylvania U.) ; Song, Peng (Pennsylvania U.)
We study aspects of heterotic/F-theory duality for compactifications with Abelian gauge symmetries. We consider F-theory on general Calabi-Yau manifolds with a rank one Mordell-Weil group of rational sections. [...]
arXiv:1511.08208; UPR-1275-T; CERN-PH-TH-2015-273; CERN-PH-TH-2015-273; UPR-1275-T.- Geneva : CERN, 2016-04-07 - 52 p. - Published in : JHEP 04 (2016) 041 Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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Gauge group topology of 8D Chaudhuri-Hockney-Lykken vacua / Cvetic, Mirjam (Pennsylvania U. ; Maribor U.) ; Dierigl, Markus (Munich U., ASC) ; Lin, Ling (CERN) ; Zhang, Hao Y. (Pennsylvania U.)
Compactifications of the CHL string to eight dimensions can be characterized by embeddings of root lattices into the rank 12 momentum lattice $\Lambda_M$, the so-called Mikhailov lattice. Based on this data, we devise a method to determine the global gauge group structure including all $U(1)$ factors. [...]
arXiv:2107.04031; CERN-TH-2021-104; UPR-1313-T; LMU-ASC 19/21.- 2021-10-12 - 29 p. - Published in : Phys. Rev. D 104 (2021) 086018 Fulltext: 2107.04031 - PDF; Fulltext - PDF;
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String Universality and Non-Simply-Connected Gauge Groups in 8d / Cvetič, Mirjam (Pennsylvania U. ; Maribor U.) ; Dierigl, Markus (Pennsylvania U.) ; Lin, Ling (CERN) ; Zhang, Hao Y. (Pennsylvania U.)
We present a consistency condition for 8d ${\cal N} = 1$ supergravity theories with non-trivial global structure $G/Z$ for the non-Abelian gauge group, based on an anomaly involving the $Z$ 1-form center symmetry. The interplay with other Swampland criteria identifies the majority of 8d theories with gauge group $G/Z$, which have no string theory realization, as inconsistent quantum theories when coupled to gravity. [...]
arXiv:2008.10605; CERN-TH-2020-138; UPR-1306-T.- 2020-11-20 - 6 p. - Published in : Phys. Rev. Lett. 125 (2020) 211602 Article from SCOAP3: PDF; Fulltext: PDF;
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General U(1)xU(1) F-theory Compactifications and Beyond: Geometry of unHiggsings and novel Matter Structure / Cvetič, Mirjam (Pennsylvania U. ; Maribor U.) ; Klevers, Denis (CERN) ; Piragua, Hernan (Pennsylvania U.) ; Taylor, Washington (MIT, Cambridge, CTP)
We construct the general form of an F-theory compactification with two U(1) factors based on a general elliptically fibered Calabi-Yau manifold with Mordell-Weil group of rank two. This construction produces broad classes of models with diverse matter spectra, including many that are not realized in earlier F-theory constructions with U(1)xU(1) gauge symmetry. [...]
arXiv:1507.05954; UPR-1274-T; CERN-PH-TH-2015-157; MIT-CTP-4678; CERN-PH-TH-2015-157.- Geneva : CERN, 2015-11-30 - 83 p. - Published in : JHEP 11 (2015) 204 Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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F-Theory on all Toric Hypersurface Fibrations and its Higgs Branches / Klevers, Denis (Pennsylvania U. ; CERN) ; Mayorga Pena, Damian Kaloni (Bonn U.) ; Oehlmann, Paul-Konstantin (Bonn U.) ; Piragua, Hernan (Pennsylvania U.) ; Reuter, Jonas (Bonn U.)
We consider F-theory compactifications on genus-one fibered Calabi-Yau manifolds with their fibers realized as hypersurfaces in the toric varieties associated to the 16 reflexive 2D polyhedra. We present a base-independent analysis of the codimension one, two and three singularities of these fibrations. [...]
arXiv:1408.4808; UPR-1264-T; CERN-PH-TH-2014-171; Bonn-TH-2014-13; CERN-PH-TH-2014-171.- 2015-01-27 - 129 p. - Published in : JHEP 01 (2015) 142 Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
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Treelike structure of symmetry topological field theories and multisector QFTs / Baume, Florent (Hamburg U., Inst. Theor. Phys. II) ; Heckman, Jonathan J. (Pennsylvania U., Dept. Math.) ; Hübner, Max (Pennsylvania U., Dept. Math.) ; Torres, Ethan (Pennsylvania U., Dept. Math. ; CERN) ; Turner, Andrew P. (Pennsylvania U., Dept. Math.) ; Yu, Xingyang (New York U., CCPP ; Virginia Tech., Blacksburg)
The global symmetries of a $D$-dimensional QFT can, in many cases, be captured in terms of a $(D+1)$-dimensional symmetry topological field theory (SymTFT). In this work we construct a $(D+1)$-dimensional theory which governs the symmetries of QFTs with multiple sectors which have connected correlators that admit a decoupling limit. [...]
arXiv:2310.12980; ZMP-HH/23-13; CERN-TH-2023-183.- 2024-05-10 - 53 p. - Published in : Phys. Rev. D 109 (2024) 106013 Fulltext: 2310.12980 - PDF; Publication - PDF;
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