| Title: | Gauge group topology of 8D Chaudhuri-Hockney-Lykken vacua |
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| Authors: | ID Cvetič, Mirjam (Author)
ID Dierigl, Markus (Author)
ID Lin, Ling (Author)
ID Zhang, Hao Y. (Author) |
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| Files: |  Gauge_group_topology_Cvetic_2021.pdf (356,95 KB)
MD5: 1C1A49EC60704A06AE19613064AA1ADD
 https://journals.aps.org/prd/abstract/10.1103/PhysRevD.104.086018
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| Language: | English |
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| Work type: | Scientific work |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | UM - University of Maribor
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| Abstract: | Compactifications of the Chaudhuri-Hockney-Lykken (CHL) string to eight dimensions can be characterized by embeddings of root lattices into the rank 12 momentum lattice ΛM, the so-called Mikhailov lattice. Based on these data, we devise a method to determine the global gauge group structure including all Uð1Þ factors. The key observation is that, while the physical states correspond to vectors in the momentum lattice, the gauge group topology is encoded in its dual. Interpreting a nontrivial π1ðGÞ ≡ Z for the non-Abelian gauge group G as having gauged a Z 1-form symmetry, we also prove that all CHL gauge groups are free of a certain anomaly [1] that would obstruct this gauging. We verify this by explicitly computing Z for all 8D CHL vacua with rankðGÞ ¼ 10. Since our method applies also to T2 compactifications of heterotic strings, we further establish a map that determines any CHL gauge group topology from that of a “parent” heterotic model. |
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| Keywords: | astrophysics, compactification, string dualities, string and branes, discrete symmetries, symmetries, gauge symmetries |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Submitted for review: | 04.08.2021 |
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| Article acceptance date: | 03.09.2021 |
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| Publication date: | 12.10.2021 |
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| Publisher: | American Physical Society |
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| Year of publishing: | 2021 |
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| Number of pages: | Str. 1-18 |
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| Numbering: | Letn. 104, Št. 8, št. članka 086018 |
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| PID: | 20.500.12556/DKUM-86155  |
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| UDC: | 52 |
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| ISSN on article: | 2470-0029 |
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| COBISS.SI-ID: | 97890307 |
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| Publication date in DKUM: | 13.10.2023 |
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| Views: | 553 |
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| Downloads: | 30 |
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| Metadata: |    |
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| Categories: | Misc.
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