Results 71 to 80 of about 9,239 (185)

The tadpole conjecture at large complex-structure

open access: yesJournal of High Energy Physics, 2022
The tadpole conjecture by Bena, Blåbäck, Graña and Lüst effectively states that for string-theory compactifications with a large number of complex-structure moduli, not all of these moduli can be stabilized by fluxes.
Erik Plauschinn
doaj   +1 more source

On the Picture Dependence of Ramond-Ramond Cohomology [PDF]

open access: yes, 1997
Closed string physical states are BRST cohomology classes computed on the space of states annihilated by $b_0^-$. Since $b_0^-$ does not commute with the operations of picture changing, BRST cohomologies at different pictures need not agree.
Aref'eva   +42 more
core   +2 more sources

The LVS parametric tadpole constraint

open access: yesJournal of High Energy Physics, 2022
The large volume scenario (LVS) for de Sitter compactifications of the type IIB string is, at least in principle, well protected from various unknown corrections. The reason is that, by construction, the Calabi-Yau volume is exponentially large. However,
Xin Gao   +3 more
doaj   +1 more source

Supersymmetry preserving and breaking degenerate vacua, and radiative moduli stabilization [PDF]

open access: yes, 2017
We propose a new type of moduli stabilization scenario where the supersymmetric and supersymmetry-breaking minima are degenerate at the leading level. The inclusion of the loop-corrections originating from the matter fields resolves this degeneracy of ...
Kobayashi, Tatsuo   +3 more
core   +2 more sources

Supergravity solitons and non-perturbative superstrings [PDF]

open access: yes, 1995
A review is given of the implications of supersymmetric black holes for the non-perturbative formulation of toroidally compactified superstrings, with particular emphasis on symmetry enhancement at special vacua and S-duality of the heterotic string ...
Bogomol'nyi   +37 more
core   +2 more sources

The gravitational sector of 2d (0, 2) F-theory vacua

open access: yesJournal of High Energy Physics, 2017
F-theory compactifications on Calabi-Yau fivefolds give rise to two-dimensional N = (0, 2) supersymmetric field theories coupled to gravity. We explore the dilaton supergravity defined by the moduli sector of such compactifications.
Craig Lawrie   +2 more
doaj   +1 more source

De Sitter vacua in no-scale supergravity

open access: yesJournal of High Energy Physics, 2018
No-scale supergravity is the appropriate general framework for low-energy effective field theories derived from string theory. The simplest no-scale Kähler potential with a single chiral field corresponds to a compactification to flat Minkowski space ...
John Ellis   +3 more
doaj   +1 more source

On supersymmetric AdS4 orientifold vacua

open access: yesJournal of High Energy Physics, 2020
In this work we study ten-dimensional solutions to type IIA string theory of the form AdS4 × X 6 which contain orientifold planes and preserve N $$ \mathcal{N} $$ = 1 supersymmetry.
Fernando Marchesano   +3 more
doaj   +1 more source

A universal tachyon in nearly no-scale de Sitter compactifications

open access: yesJournal of High Energy Physics, 2018
We investigate de Sitter solutions of N=1 $$ \mathcal{N}=1 $$ supergravity with an F-term scalar potential near a no-scale Minkowski point, as they may in particular arise from flux compactifications in string theory.
Daniel Junghans, Marco Zagermann
doaj   +1 more source

Holomorphic field theories and higher algebra

open access: yesBulletin of the London Mathematical Society, Volume 57, Issue 10, Page 2903-2974, October 2025.
Abstract Aimed at complex geometers and representation theorists, this survey explores higher dimensional analogs of the rich interplay between Riemann surfaces, Virasoro and Kac‐Moody Lie algebras, and conformal blocks. We introduce a panoply of examples from physics — field theories that are holomorphic in nature, such as holomorphic Chern‐Simons ...
Owen Gwilliam, Brian R. Williams
wiley   +1 more source

Home - About - Disclaimer - Privacy