Results 31 to 40 of about 157 (135)

Integrable models based on non-semi-simple groups and plane wave target spacetimes

open access: yes, 2023
We initiate the construction of integrable $\lambda$-deformed WZW models based on non-semisimple groups. We focus on the four-dimensional case whose underlying symmetries are based on the non-semisimple group $E_2^c$.
Sfetsos, Konstantinos   +1 more
core   +2 more sources

Nationalism and the transformation of the state

open access: yesNations and Nationalism, Volume 30, Issue 3, Page 380-396, July 2024.
Abstract While it is often assumed that the core debates about nationalism were settled by modernist scholars already in the 1980s, there are reasons to question this theoretical ‘consensus’, especially because it fails to anticipate the wave of nationalist geopolitics that is currently sweeping through the world.
Lars‐Erik Cederman
wiley   +1 more source

Locality and causality properties of light cone string field theory [PDF]

open access: yes, 2004
The recent discovery of a new maximally supersymmetric background for the type IIB superstring theory has revived the interest in light cone string field theory.
Kyritisis, Konstantinos
core  

Penrose limits and maximal supersymmetry

open access: yes, 2002
We show that the maximally supersymmetric pp-wave of 1113 superstring and M-theories can be obtained as a Penrose limit of the supersymmetric AdS x S solutions.
Blau, M   +3 more
core   +1 more source

Semiclassical strings in supergravity PFT [PDF]

open access: yes, 2014
Puff field theory (PFT) is an example of a non-local field theory which arises from a novel embedding of D-branes in a Melvin universe. We study several rotating and pulsating string solutions of the F-string equations of motion in the supergravity dual ...
Aritra Banerjee   +2 more
core   +1 more source

AdS/CFT v. s. string loops [PDF]

open access: yes, 2006
archiveprefix: arXiv primaryclass: hep-th slaccitation: %%CITATION = HEP-TH/0605080;%%archiveprefix: arXiv primaryclass: hep-th slaccitation: %%CITATION = HEP-TH/0605080;%%archiveprefix: arXiv primaryclass: hep-th slaccitation: %%CITATION = HEP-TH ...
Ramadanovic, B   +4 more
core  

Superstrings on Penrose limits of AdS$_7$ solutions

open access: yes, 2023
We consider the Penrose limit of AdS$_7$ solutions of massive Type IIA supergravity. The resulting pp-wave geometry is supported by RR and NSNS fields.
Passias, Achilleas
core  

Magnetic Heisenberg-chain/pp-wave correspondence

open access: yes, 2007
We find a decoupling limit of planar ≤ 4 super Yang-Mills (SYM) on × S3 in which it becomes equivalent to the ferromagnetic XXX1/2 Heisenberg spin chain in an external magnetic field. The decoupling limit generalizes the one found in ref.
Orselli, Marta   +4 more
core   +1 more source

Plane waves from double extended spacetimes [PDF]

open access: yes, 2007
We study exact string backgrounds (WZW models) generated by nonsemisimple algebras which are obtained as double extensions of generic D-dimensional semisimple algebras.
Penati S.   +2 more
core   +1 more source

Open strings in a pp-wave background from defect conformal field theory [PDF]

open access: yes, 2003
We consider open strings ending on a D5-brane in the pp-wave background, which is realized in the Penrose limit of AdS5×S5 with an AdS4×S2 brane. A complete set of gauge invariant operators in the defect conformal field theory is constructed which is ...
Park, Jongwon, Lee, Peter
core  

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