Results 11 to 20 of about 9,349 (162)
The "landscape" of Pati--Salam heterotic superstring vacua [PDF]
Fortschritte der Physik, 2010 The main aspects of a recently developed method for classification of heterotic superstring vacua in the Free Fermionic Formulation are presented. Using these techniques we classify a big number of approximately $10^{15}$ heterotic string vacua with Pati-
Rizos, J.
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Top quark mass coupling and classification of weakly-coupled heterotic superstring vacua [PDF]
The European Physical Journal C, 2014 The quest for the Standard Model among the huge number of string vacua is usually based on a set of phenomenological criteria related to the massless spectrum of string models.
Rizos, J.
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Spacetime Variable Superstring Vacua [PDF]
International Journal of Modern Physics A, 1993 In a general superstring vacuum configuration, the `internal' space (sector) varies in spacetime. When this variation is non-trivial only in two space-like dimensions, the vacuum contains static cosmic strings with finite energy per unit length and which
Green, Paul S., Hubsch, Tristan
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Symmetries of cosmological superstring vacua [PDF]
Physics Letters B, 1991 Abstract The concept of discrete scale-factor-duality transformations is extended to a full, continuous O(d, d) group. The action of the group transforms “cosmological” solutions of the low-energy, string-modified Einstein equations (including non-trivial dilaton and antisymmetric tensor fields) into other solutions, thus representing the natural ...
K.A. Meissner, G. Veneziano
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New N=1 supersymmetric 3-dimensional superstring vacua from U-manifolds [PDF]
Physics Letters B, 1998 12 pages ...
Curio, Gottfried, Lüst, Dieter
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Non-perturbative stability of supergravity and superstring vacua
Nuclear Physics B, 1993 25 pages NSF-ITP-92-84, UPR-494-T, YCTP-P44 ...
Cvetic, Mirjam +2 more
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Superstring cosmology for N_4 = 1 -> 0 superstring vacua [PDF]
Fortschritte der Physik, 2010 We study the cosmology of perturbative heterotic superstring theory during the radiation-like era for semi-realistic backgrounds with initial $\N=1$ supersymmetry.
Albrecht +89 more
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Anomalies, dualities, and topology of D = 6 N = 1 superstring vacua [PDF]
Nuclear Physics B, 1996 We consider various aspects of compactifications of the Type I/heterotic $Spin(32)/\Z_2$ theory on K3. One family of such compactifications includes the standard embedding of the spin connection in the gauge group, and is on the same moduli space as the compactification of the heterotic $E_8\times E_8$ theory on K3 with instanton numbers (8,16 ...
Berkooz, Micha +5 more
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Searching the landscape of flux vacua with genetic algorithms
Journal of High Energy Physics, 2019 In this paper, we employ genetic algorithms to explore the landscape of type IIB flux vacua. We show that genetic algorithms can efficiently scan the landscape for viable solutions satisfying various criteria. More specifically, we consider a symmetric T
Alex Cole, Andreas Schachner, Gary Shiu
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Classification of flat directions in perturbative heterotic superstring vacua with anomalous U(1) [PDF]
Nuclear Physics B, 1998 26 ...
Cleaver, Gerald +4 more
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