Results 101 to 110 of about 808 (166)
Fermionic T-duality and U-duality in type II supergravity
PhDThis thesis deals with the two duality symmetries of N = 2 D = 10 supergravity theories that are descendant from the full superstring theory: fermionic T-duality and U-duality.
Bakhmatov, Ilya
core
Fluxes, Hierarchies, and Metastable Vacua in Supersymmetric Field Theories
This thesis concerns topics both in low-energy effective field theories from type IIB superstring flux compactifications and in fourdimensional, rigidly supersymmetric gauge theories.
Brümmer, Felix
core +1 more source
From Minkowski to de Sitter in multifield no-scale models
We show the uniqueness of superpotentials leading to Minkowski vacua of single-field no-scale supergravity models, and the construction of dS/AdS solutions using pairs of these single-field Minkowski superpotentials.
John Ellis +4 more
doaj +1 more source
T-duality invariant approaches to string theory
PhDThis thesis investigates the quantum properties of T-duality invariant formalisms of String Theory. We introduce and review duality invariant formalisms of String Theory including the Doubled Formalism.
Thompson, Daniel C, Thompson, Daniel C.
core
In a multi-fold universe, gravity emerges from Entanglement through the multi-fold mechanisms. As a result, gravity-like effects appear in between entangled particles that they be real or virtual. Long range, massless gravity results from entanglement of massless virtual particles.
openaire +1 more source
Abelian F-theory models with charge-3 and charge-4 matter
This paper analyzes U(1) F-theory models admitting matter with charges q = 3 and 4. First, we systematically derive a q = 3 construction that generalizes the previous q = 3 examples.
Nikhil Raghuram
doaj +1 more source
The enhancon mechanism in string theory [PDF]
The enhancon mechanism is a specific phenomenon in string theory which resolves a certain naked spacetime singularity arising in the supergravity description related to N = 2 supersymmetric pure gauge theory.
Järv, Laur
core
Linking the supersymmetric standard model to the cosmological constant. [PDF]
Qiu YC, Tye SH.
europepmc +1 more source
Uncovering quasi-degenerate Kaluza-Klein Electro-Weak gauge bosons with top asymmetries at the LHC
By exploiting the correlation between charge and spin polarisation asymmetries in t-tbar, we show that combining the two observables could identify the presence of quasi-degenerate states in a resonant signal at the LHC.
Moretti, S., Accomando, E., Mimasu, K.
core +1 more source
Conflicts with de Sitter Vacua in Superstring Theory
Models of our universe lack consistency at different energy scales, so we require a theory with ultraviolet (UV) completion such as string theory. A suitable candidate to model our universe in this framework is de Sitter space, a spacetime which expands and has positive curvature.
openaire +1 more source

