Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Schellekens, Bert"'
We review recent progress in the construction of four-dimensional vacua of Type II string theory and F-theory which yield the Standard Model of particle physics (SM) or extensions thereof. In Type II orientifold compactifications the SM gauge group a
Externí odkaz:
http://arxiv.org/abs/2212.07443
Publikováno v:
Nucl.Phys.B829:298-324,2010
We construct a large class of SU(5) orientifold vacua with tadpole cancellation both for the standard and the flipped case. We give a general analysis of superpotential couplings up to quartic order in orientifold vacua and identify the properties of
Externí odkaz:
http://arxiv.org/abs/0909.0271
Publikováno v:
JHEP 0902:030,2009
We investigate a class of orientifold models based on tensor products of 18 Ising models. Using the same search criteria as for the comparable case of Gepner model orientifolds we find that there are no three-family standard model configurations with
Externí odkaz:
http://arxiv.org/abs/0811.0515
Publikováno v:
JHEP0810:106,2008
A complete analysis of orientifold compactifications involving Gepner models that are free fields (k=1,2) is performed. A set of tadpole solutions is found that are variants of a single chiral spectrum. The vacua found have the property that differen
Externí odkaz:
http://arxiv.org/abs/0809.0083
Autor:
Fuchs, J"urgen, Schellekens, Bert, Schweigert, Christoph
Publikováno v:
Nucl.Phys. B473 (1996) 323-366
A formula is presented for the modular transformation matrix S for any simple current extension of the chiral algebra of a conformal field theory. This provides in particular an algorithm for resolving arbitrary simple current fixed points, in such a
Externí odkaz:
http://arxiv.org/abs/hep-th/9601078
Autor:
Fuchs, J"urgen, Schellekens, Bert, Schweigert, Christoph
We describe the resolution of field identification fixed points in coset conformal field theories in terms of representation spaces of the coset chiral algebra. A necessary ingredient from the representation theory of Kac Moody algebras is the recent
Externí odkaz:
http://arxiv.org/abs/q-alg/9511026
Autor:
Fuchs, J"urgen, Schellekens, Bert, Schweigert, Christoph
Publikováno v:
Nucl.Phys. B461 (1996) 371-406
The fixed point resolution problem is solved for diagonal coset theories. The primary fields into which the fixed points are resolved are described by submodules of the branching spaces, obtained as eigenspaces of the automorphisms that implement fie
Externí odkaz:
http://arxiv.org/abs/hep-th/9509105
Autor:
Fuchs, J"urgen, Schellekens, Bert, Schweigert, Christoph
Publikováno v:
Commun.Math.Phys. 180 (1996) 39-98
Any automorphism of the Dynkin diagram of a symmetrizable Kac-Moody algebra induces an automorphism of the algebra and a mapping between its highest weight modules. For a large class of such Dynkin diagram automorphisms, we can describe various aspec
Externí odkaz:
http://arxiv.org/abs/hep-th/9506135
Publikováno v:
Phys.Lett. B334 (1994) 113-120
We show that Galois theory of cyclotomic number fields provides a powerful tool to construct systematically integer-valued matrices commuting with the modular matrix S, as well as automorphisms of the fusion rules. Both of these prescriptions allow t
Externí odkaz:
http://arxiv.org/abs/hep-th/9405153
Publikováno v:
INSPIRE-HEP
We summarize recent progress in the understanding of fixed point resolution for conformal field theories. Fixed points in both coset conformal field theories and non-diagonal modular invariants which describe simple current extensions of chiral algeb
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::56e236bff9bdb96d1dfb1dec19a63603
http://arxiv.org/abs/hep-th/9612093
http://arxiv.org/abs/hep-th/9612093