Results 41 to 50 of about 89,245 (176)
Moduli stabilization in asymptotic flux compactifications
We present a novel strategy to systematically study complex-structure moduli stabilization in Type IIB and F-theory flux compactifications. In particular, we determine vacua in any asymptotic regime of the complex-structure moduli space by exploiting ...
Thomas W. Grimm+2 more
doaj +1 more source
Universal axion backreaction in flux compactifications
We study the backreaction effect of a large axion field excursion on the saxion partner residing in the same N $$ \mathcal{N} $$ = 1 multiplet. Such configurations are relevant in attempts to realize axion monodromy inflation in string compactifications.
Thomas W. Grimm, Chongchuo Li
doaj +1 more source
Flux compactifications and naturalness
Free massless scalars have a shift symmetry. This is usually broken by gauge and Yukawa interactions, such that quantum corrections induce a quadratically divergent mass term.
Wilfried Buchmuller+2 more
doaj +1 more source
Asymptotic flux compactifications and the swampland
We initiate the systematic study of flux scalar potentials and their vacua by using asymptotic Hodge theory. To begin with, we consider F-theory compactifications on Calabi-Yau fourfolds with four-form flux.
Thomas W. Grimm+2 more
doaj +1 more source
đť’© = 1 SCFTs from F-theory on Orbifolds
We study four-dimensional superconformal field theories living on the worldvolume of D3 branes probing minimally-supersymmetric F-theory backgrounds, focusing on the case of orbi-orientifold setups with and without 7-branes.
Simone Giacomelli, Raffaele Savelli
doaj +1 more source
Compactifications of ADE conformal matter on a torus
In this paper we study compactifications of ADE type conformal matter, N M5 branes probing ADE singularity, on torus with flux for global symmetry. We systematically construct the four dimensional theories by first going to five dimensions and studying ...
Hee-Cheol Kim+3 more
doaj +1 more source
Conifold Transitions in M-theory on Calabi-Yau Fourfolds with Background Fluxes [PDF]
We consider topology changing transitions for M-theory compactifications on Calabi-Yau fourfolds with background G-flux. The local geometry of the transition is generically a genus g curve of conifold singularities, which engineers a 3d gauge theory with
Intriligator, Kenneth+4 more
core +1 more source
Lobotomy of Flux Compactifications [PDF]
We provide the dictionary between four-dimensional gauged supergravity and type II compactifications on $\mathbb{T}^6$ with metric and gauge fluxes in the absence of supersymmetry breaking sources, such as branes and orientifold planes.
Dibitetto, Giuseppe+2 more
core +2 more sources
No-go theorems for ekpyrosis from ten-dimensional supergravity
In this note we investigate whether the new ekpyrotic scenario can be embedded into ten-dimensional supergravity. We use that the scalar potential obtained from flux compactifications of type II supergravity with sources has a universal scaling with ...
Kunihito Uzawa
doaj +1 more source
Nothing is certain in string compactifications
A bubble of nothing is a spacetime instability where a compact dimension collapses. After nucleation, it expands at the speed of light, leaving “nothing” behind.
Iñaki GarcĂa Etxebarria+3 more
doaj +1 more source