Results 111 to 120 of about 27,946 (159)

Finite distance between distinct Calabi-Yau manifolds.

open access: yes, 1989
Moduli spaces for a wide class of Calabi-Yau manifolds with different numerical invariants (and thus topologically distinct) can be assembled into a connected web in which all distances are finite.
Tristan Hübsch   +2 more
core   +1 more source

Marginal Deformations of Vacua with Massive boson-fermion Degeneracy Symmetry

open access: yes, 2010
60 pagesTwo-dimensional string vacua with Massive Spectrum boson-fermion Degeneracy Symmetry (MSDS) are explicitly constructed in Type II and Heterotic superstring theories.
Florakis, Ioannis   +2 more
core  

Minimal superstring theories [PDF]

open access: yes, 2006
In this thesis we study the (2, 4m) series of Type OA minimal superstring theories, which are intimately related to the KdV integrable hierarchy. Chapters 1 to 3 constitute a comprehensive review of the relevant background material, including noncritical
Carlisle, James
core  

Extensions of a scale-separated AdS4 solution and their mass spectrum

open access: yesJournal of High Energy Physics
We consider two extensions of the so-called DGKT solution, a 4d scale-separated anti-de Sitter (AdS) solution obtained as a compactification on a 6d torus orbifold. Each extension consists in a specific large n expansion beyond the DGKT solution, where n
David Andriot, George Tringas
doaj   +1 more source

Strings, branes, and gravity duals of gauge theories [PDF]

open access: yes, 2002
We study the correspondence between certain supersymmetric gauge theories and their dual supergravity descriptions. Using low-energy brane probes of the super-gravity geometries we find moduli spaces of vacua, as expected from considering the dual gauge ...
Lovis, Kenneth John
core  

Machine learning supergravity vacua [PDF]

open access: yes
openIn this thesis we study maximally symmetric vacua for maximal supergravity in 4D. We will begin by showing that the structure of those vacua is determined by the gauging procedure.
COSTANTINI, RICCARDO
core  

Topics in flux compactifications of type IIA superstring theory [PDF]

open access: yes, 2008
textRealistic four-dimensional model building from string theory has been a focus of the string theory community ever since its inception. Toroidal orientifold constructions have emerged as a technically simple class of candidate models.
Ihl, Matthias, 1977-
core  

Flux vacua of the mirror octic

open access: yesJournal of High Energy Physics
We determine all flux vacua with flux numbers N flux ≤ 10 for a type IIB orientifold-compactification on the mirror-octic three-fold. To achieve this, we develop and apply techniques for performing a complete scan of flux vacua for the whole moduli space
Erik Plauschinn, Lorenz Schlechter
doaj   +1 more source

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