Results 31 to 40 of about 1,098 (225)

The generalized Bergshoeff-de Roo identification. Part II

open access: yesJournal of High Energy Physics, 2021
We recently introduced a T-duality covariant mechanism to compute all-order higher-derivative interactions in the heterotic string. Here we extend the formalism to account for a two-parameter family of corrections that also include the bosonic string and
W. Baron, D. Marques
doaj   +1 more source

The action of long strings in supersymmetric field theories

open access: yesJournal of High Energy Physics, 2019
Long strings emerge in many Quantum Field Theories, for example as vortices in Abelian Higgs theories, or flux tubes in Yang-Mills theories. The actions of such objects can be expanded in the number of derivatives, around a long straight string solution.
Tomer Solberg, Mykhailo Yutushui
doaj   +1 more source

Positivity of the Veneziano amplitude in D = 4

open access: yesJournal of High Energy Physics, 2022
The Veneziano amplitude was put forward as a solution to the axioms of the S-matrix bootstrap. However, unitarity, reflected in the positivity of the coefficients in the Gegenbauer expansion of the amplitude is not obvious.
Pronobesh Maity
doaj   +1 more source

Cutting the Coon amplitude

open access: yesJournal of High Energy Physics, 2023
The Coon amplitude is a q-deformed generalization of the Veneziano amplitude exhibiting a semi-infinite sequence of poles that converge on an accumulation point, from which a branch cut emerges. A number of recent papers have provided compelling evidence
Christian Baadsgaard Jepsen
doaj   +1 more source

Killing spinors for the bosonic string [PDF]

open access: yesEPL (Europhysics Letters), 2012
We obtain the effective action for the bosonic string with arbitrary Yang-Mills fields, up to the α' order, in general dimensions. The form of the action is determined by the requirement that the action admit well-defined Killing spinor equations, whose projected integrability conditions give rise to the full set of equations of motion.
Lu, H., Wang, Zhao-Long
openaire   +2 more sources

Divergence cancellation and loop corrections in string field theory on a plane wave background [PDF]

open access: yes, 2005
archiveprefix: arXiv primaryclass: hep-th slaccitation: %%CITATION = HEP-TH/0508126;%%archiveprefix: arXiv primaryclass: hep-th slaccitation: %%CITATION = HEP-TH/0508126;%%archiveprefix: arXiv primaryclass: hep-th slaccitation: %%CITATION = HEP-TH ...
Ramadanovic, B   +4 more
core   +1 more source

Two-point string amplitudes

open access: yesJournal of High Energy Physics, 2019
We show that the two-point tree level amplitude in string theory in flat space is given by the standard free particle expression.
Harold Erbin   +2 more
doaj   +1 more source

Nonrelativistic Limit of the Bosonic String [PDF]

open access: yesProceedings of the Steklov Institute of Mathematics, 2020
14 pages, 1 ...
openaire   +3 more sources

Pinching parameters for open (super) strings

open access: yesJournal of High Energy Physics, 2018
We present an approach to the parametrization of (super) Schottky space obtained by sewing together three-punctured discs with strips. Different cubic ribbon graphs classify distinct sets of pinching parameters; we show how they are mapped onto each ...
Sam Playle, Stefano Sciuto
doaj   +1 more source

Canonical analysis of new non-relativistic string action and uniform light-cone gauge formulation

open access: yesJournal of High Energy Physics, 2021
We perform canonical analysis of new non-relativistic string action that was found recently in [32]. We also discuss its gauge fixed form.
J. Klusoň
doaj   +1 more source

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