Results 21 to 30 of about 18,310,332 (287)

Anisotropic compactification of nonrelativistic M-theory

open access: yesJournal of High Energy Physics, 2023
We study a decoupling limit of M-theory where the three-form gauge potential becomes critical. This limit leads to nonrelativistic M-theory coupled to a non-Lorentzian spacetime geometry.
Stephen Ebert, Ziqi Yan
doaj   +1 more source

D-instantons in non-critical open string theory [PDF]

open access: yesPhysics Letters B, 1997
We show that the strength of the leading non-perturbative effects in non-critical string theory is of the order $e^{-O(1/{β_{st}})}$. We show how this restricts the space of consistent theories. We also identify non-critical one dimensional D-instantons as dynamical objects which exchange closed string states and calculate the order of their size.
openaire   +3 more sources

Islands and Page curves in 4d from Type IIB

open access: yesJournal of High Energy Physics, 2021
Variants of the black hole information paradox are studied in Type IIB string theory setups that realize four-dimensional gravity coupled to a bath. The setups are string theory versions of doubly-holographic Karch/Randall brane worlds, with black holes ...
Christoph F. Uhlemann
doaj   +1 more source

Swampland conjectures for an almost topological gravity theory

open access: yesPhysics Letters B, 2022
We analyze AdS and dS swampland conjectures in a three-dimensional higher spin theory with self-interacting matter, which contains conformal gravity and is almost topological.
Rafael Álvarez-García   +4 more
doaj   +1 more source

BOSONIZATION OF A TOPOLOGICAL COSET MODEL AND NON-CRITICAL STRING THEORY [PDF]

open access: yesModern Physics Letters A, 1994
We analyze the relation between a topological coset model based on super SL(2, R)/U(1) coset and non-critical string theory by using free field realization. We show that the twisted N=2 algebra of the coset model can be naturally transformed into that of non-critical string.
Ohta, Nobuyoshi, Suzuki, Hisao
openaire   +2 more sources

Aspects of brane world-volume dynamics in string theory [PDF]

open access: yes, 2012
PhDThis thesis investigates the non-abelian dynamics of D-Brane systems in String Theory, specifically focussing on the fate of the open string Tachyon.
Tallarita, Gianni
core   +4 more sources

On unitarity of tree-level string amplitudes

open access: yesJournal of High Energy Physics, 2022
Four-particle tree-level scattering amplitudes in string theory are magically consistent with unitarity, reflected in the non-trivial fact that beneath the critical dimension, the residues of the amplitudes on massive poles can be expanded in partial ...
Nima Arkani-Hamed   +3 more
doaj   +1 more source

Non-critical type 0 string theories and their field theory duals [PDF]

open access: yesNuclear Physics B, 1999
In this paper we continue the study of the non-critical type 0 string and its field theory duals. We begin by reviewing some facts and conjectures about these theories. We move on to our proposal for the type 0 effective action in any dimension, its RR fields and their Chern--Simons couplings.
Ferretti, Gabriele   +2 more
openaire   +2 more sources

Critical string from non-Abelian vortex in four dimensions

open access: yesPhysics Letters B, 2015
In a class of non-Abelian solitonic vortex strings supported in certain N=2 super-Yang–Mills theories we search for the vortex which can behave as a critical fundamental string.
M. Shifman, A. Yung
doaj   +1 more source

T T ¯ $$ T\overline{T} $$ deformed CFT as a non-critical string

open access: yesJournal of High Energy Physics, 2020
We present a new exact treatment of T T ¯ $$ T\overline{T} $$ deformed 2D CFT in terms of the worldsheet theory of a non-critical string. The transverse dimensions of the non-critical string are represented by the undeformed CFT, while the two ...
Nele Callebaut   +2 more
doaj   +1 more source

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