Results 101 to 110 of about 30,767 (198)

U-Manifolds

open access: yes, 1997
We use non-perturbative U-duality symmetries of type II strings to construct new vacuum solutions. In some ways this generalizes the F-theory vacuum constructions. We find the possibilities of new vacuum constructions are very limited.
Alok Kumar   +18 more
core   +1 more source

de Sitter State in Heterotic String Theory

open access: yesFortschritte der Physik, Volume 72, Issue 11, November 2024.
Abstract Recent no‐go theorems have ruled out four‐dimensional classical de Sitter vacua in heterotic string theory. On the other hand, the absence of a well‐defined Wilsonian effective action and other related phenomena also appear to rule out such time‐dependent vacua with de Sitter isometries, even in the presence of quantum corrections.
Stephon Alexander   +4 more
wiley   +1 more source

Polarisability and magnetisation of electrically K-mouflaged objects: the Born-Infeld ModMax case study

open access: yesJournal of High Energy Physics, 2023
We consider a family of non-linear theories of electromagnetism that interpolate between Born-Infeld at small distances and the recently introduced ModMax at large distances.
Jose Beltrán Jiménez   +2 more
doaj   +1 more source

Iwahori‐metaplectic duality

open access: yesJournal of the London Mathematical Society, Volume 109, Issue 6, June 2024.
Abstract We construct a family of solvable lattice models whose partition functions include p$p$‐adic Whittaker functions for general linear groups from two very different sources: from Iwahori‐fixed vectors and from metaplectic covers. Interpolating between them by Drinfeld twisting, we uncover unexpected relationships between Iwahori and metaplectic ...
Ben Brubaker   +3 more
wiley   +1 more source

Orthosymplectic quotient quiver subtraction. Part II. Framed quivers

open access: yesJournal of High Energy Physics
The technique of orthosymplectic quotient quiver subtraction is introduced for framed orthosymplectic quivers. This involves subtracting an orthosymplectic quotient quiver from a framed orthosymplectic 3d N $$ \mathcal{N} $$ = 4 quiver gauge theory which
Sam Bennett   +2 more
doaj   +1 more source

A “Lagrangian” for the E 7 superconformal theory

open access: yesJournal of High Energy Physics, 2018
We find an N=1 $$ \mathcal{N}=1 $$ gauge theory that flows to the rank-one N=2 $$ \mathcal{N}=2 $$ superconformal field theory with E 7 flavor symmetry.
Prarit Agarwal   +2 more
doaj   +1 more source

Exploring T‐Duality for Self‐Dual Fields

open access: yesFortschritte der Physik, Volume 72, Issue 5, May 2024.
Abstract Avatars of T‐duality within Sen's formalism for self‐dual field strengths in various dimensions are studied. This formalism is shown to naturally accommodate the T‐duality relation between Type IIA/IIB theories when compactified on a circle without the need for imposing the self‐duality constraint by hand, as is usually done. The study of this
Subhroneel Chakrabarti   +1 more
wiley   +1 more source

Nilpotent N=1 $$ \mathcal{N}=1 $$ tensor multiplet

open access: yesJournal of High Energy Physics, 2018
We propose a nilpotent N=1 $$ \mathcal{N}=1 $$ tensor multiplet describing two fields, which are the Goldstino and the axion, the latter being realised in terms of the field strength of a gauge two-form.
Sergei M. Kuzenko
doaj   +1 more source

Octonionic Magical Supergravity, Niemeier Lattices, and Exceptional & Hilbert Modular Forms

open access: yesFortschritte der Physik, Volume 72, Issue 2, February 2024.
Abstract The quantum degeneracies of Bogomolny‐Prasad‐Sommerfield (BPS) black holes of octonionic magical supergravity in five dimensions are studied. Quantum degeneracy is defined purely number theoretically as the number of distinct states in charge space with a given set of invariant labels.
Murat Günaydin, Abhiram Kidambi
wiley   +1 more source

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