Spinor-vector duality in N=2 heterotic string vacua
| dc.contributor.author | Faraggi, A. E. | en |
| dc.contributor.author | Kounnas, C. | en |
| dc.contributor.author | Rizos, J. | en |
| dc.date.accessioned | 2015-11-24T18:35:02Z | |
| dc.date.available | 2015-11-24T18:35:02Z | |
| dc.identifier.issn | 0550-3213 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/17030 | |
| dc.rights | Default Licence | - |
| dc.subject | standard-like model | en |
| dc.subject | x z(2) orbifolds | en |
| dc.subject | partition-functions | en |
| dc.subject | fermionic models | en |
| dc.subject | classification | en |
| dc.subject | superstrings | en |
| dc.subject | formulation | en |
| dc.subject | supersymmetry | en |
| dc.subject | construction | en |
| dc.subject | mssm | en |
| dc.title | Spinor-vector duality in N=2 heterotic string vacua | en |
| heal.abstract | Classification of the N = 1 space-time supersymmetric fermionic Z(2) x Z2 heterotic-string vacua with symmetric internal shifts, revealed a novel spinor-vector duality symmetry over the entire space of vacua, where the S-t <-> V duality interchanges the spinor plus anti-spinor representations with vector representations. In this paper we demonstrate that the spinor-vector duality exists also in fermionic Z(2) heterotic string models, which preserve N = 2 space-time supersymmetry. In this case the interchange is between spinorial and vectorial representations of the unbroken SO(12) GUT symmetry. We provide a general algebraic proof for the existence of the S-t <-> V duality map. We present a novel basis to generate the free fermionic models in which the ten-dimensional gauge degrees of freedom are grouped into four groups of four, each generating an SO(8) modular block. In the new basis the GUT symmetries are produced by generators arising from the trivial and non-trivial sectors, and due to the triality property of the SO(8) representations. Thus, while in the new basis the appearance of GUT symmetries is more cumbersome, it may be more instrumental in revealing the duality symmetries that underly the string vacua. (c) 2008 Elsevier B.V. All rights reserved. | en |
| heal.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.identifier.primary | DOI 10.1016/j.nuclphysb.2008.02.009 | - |
| heal.identifier.secondary | <Go to ISI>://000256671800002 | - |
| heal.identifier.secondary | http://ac.els-cdn.com/S0550321308001223/1-s2.0-S0550321308001223-main.pdf?_tid=64eeb993a2daf2f81798ff6cec00007e&acdnat=1334230762_b36345ba9a08932c01632cac4033ae0d | - |
| heal.journalName | Nuclear Physics B | en |
| heal.journalType | peer reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 2008 | - |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών | el |
| heal.type | journalArticle | - |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.type.en | Journal article | en |
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