Results 61 to 70 of about 450,967 (224)
Field Theory Questions for String Theory Answers [PDF]
We discuss the field theory of 3-brane probes in F-theory compactifications in two configurations, generalizing the work of Sen and of Banks, Douglas and Seiberg. One configuration involves several parallel 3-brane probes in F-theory compactified on $T^4/
Argyres+28 more
core +2 more sources
Light-cone reduction of Witten’s open string field theory
We elucidate some exact relations between light-cone and covariant string field theories on the basis of the homological perturbation lemma for A ∞.
Hiroaki Matsunaga
doaj +1 more source
T-duality in nonrelativistic open string theory
Nonrelativistic open string theory is defined by a worldsheet theory that produces a Galilean invariant string spectrum and is described at low energies by a nonrelativistic Yang-Mills theory [1].
Jaume Gomis, Ziqi Yan, Matthew Yu
doaj +1 more source
On open-closed extension of boundary string field theory
We investigate a classical open-closed string field theory whose open string sector is given by boundary string field theory. The open-closed interaction is introduced by the overlap of a boundary state with a closed string field.
A Ishida+46 more
core +1 more source
Background field method for nonlinear sigma models in nonrelativistic string theory
We continue the study of nonrelativistic string theory in background fields. Nonrelativistic string theory is described by a nonlinear sigma model that maps a relativistic worldsheet to a non-Lorentzian and non-Riemannian target space geometry, which is ...
Ziqi Yan, Matthew Yu
doaj +1 more source
Field Theory Correlators and String Theory [PDF]
It appears that string-M-theory is the only viable candidate for a complete theory of matter. It must therefore contain both gravity and QCD. What is particularly surprising is the recent conjecture that strongly coupled QCD matrix elements can be evaluated though a duality with weakly coupled gravity.
Stephen S. Pinsky+2 more
openaire +3 more sources
This elementary introduction to string field theory highlights the features and the limitations of this approach to quantum gravity as it is currently understood. String field theory is a formulation of string theory as a field theory in space-time with an infinite number of massive fields. Although existing constructions of string field theory require
openaire +3 more sources
Boundary modes in string field theory
We discuss the construction of boundary contributions to free string field theory actions in the context of the bosonic string. We show that it is generally possible to obtain a well-defined variational principle by adding a simple boundary term (which ...
Carlo Maccaferri+3 more
doaj +1 more source
Duality in quantum field theory (and string theory) [PDF]
38 pages, 7 figures, LaTeX, revtex, two references added. Based on a lectures delivered by L. A.-G. at `The Workshop on Fundamental Particles and Interactions', held in Vanderbilt University, and CERN-La Plata-Santiago de Compostela School of Physics, both in May ...
Frederic Zamora, Luis Alvarez-Gaume
openaire +5 more sources
N=2 structures in all string theories
The BRST cohomology of any topological conformal field theory admits the structure of a Batalin--Vilkovisky algebra, and string theories are no exception.
Figueroa-O'Farrill, JM
core +1 more source