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Closed string deformations in open string field theory. Part I. Bosonic string

Journal of High Energy Physics, 2021
This is the first of a series of three papers on open string field theories based on Witten star product deformed with a gauge invariant open/closed coupling.
Carlo Maccaferri, Jakub Vošmera
doaj   +3 more sources

String scattering amplitudes and deformed cubic string field theory

Physics Letters B, 2018
We study string scattering amplitudes by using the deformed cubic string field theory which is equivalent to the string field theory in the proper-time gauge.
Sheng-Hong Lai, Jen-Chi Lee, Taejin Lee, Yi Yang   +3 more
doaj   +4 more sources

D-instantons, string field theory and two dimensional string theory [PDF]

Journal of High Energy Physics, 2021
In [4] Balthazar, Rodriguez and Yin (BRY) computed the one instanton contribution to the two point scattering amplitude in two dimensional string theory to first subleading order in the string coupling.
Ashoke Sen
doaj   +4 more sources

Adding stubs to quantum string field theories [PDF]

Journal of High Energy Physics
Generalizing recent work by Schnabl-Stettinger and Erbin-Fırat, we outline a universal algebraic procedure for ‘adding stubs’ to string field theories obeying the BV quantum master equation.
C. Maccaferri, R. Poletti, A. Ruffino, B. Valsesia   +3 more
doaj   +2 more sources

Searching for continuous phase transitions in 5D SU(2) lattice gauge theory

Journal of High Energy Physics, 2021
We study the phase diagram of 5-dimensional SU(2) Yang-Mills theory on the lattice. We consider two extensions of the fundamental plaquette Wilson action in the search for the continuous phase transition suggested by the 4 + ϵ expansion.
Adrien Florio, João M. Viana P. Lopes, José Matos, João Penedones   +3 more
doaj   +1 more source

Bootstrapping closed string field theory

Journal of High Energy Physics, 2023
The determination of the string vertices of closed string field theory is shown to be a conformal field theory problem solvable by combining insights from Liouville theory, hyperbolic geometry, and conformal bootstrap.
Atakan Hilmi Fırat
doaj   +1 more source

Open string field theory with stubs

Journal of High Energy Physics, 2023
There are various reasons why adding stubs to the vertices of open string field theory (OSFT) is interesting: the stubs can not only tame certain singularities and make the theory more well-behaved, but also the new theory shares a lot of similarities ...
Martin Schnabl, Georg Stettinger
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Fixing an ambiguity in two dimensional string theory using string field theory

Journal of High Energy Physics, 2020
In a recent paper, Balthazar, Rodriguez and Yin found some remarkable agreement between the results of c = 1 matrix model and D-instanton corrections in two dimensional string theory.
Ashoke Sen
doaj   +1 more source

Conformal defects from string field theory

Journal of High Energy Physics, 2021
Unlike conformal boundary conditions, conformal defects of Virasoro minimal models lack classification. Alternatively to the defect perturbation theory and the truncated conformal space approach, we employ open string field theory (OSFT) techniques to ...
Kasia Budzik, Miroslav Rapčák, Jairo M. Rojas   +2 more
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Mean string field theory: Landau-Ginzburg theory for 1-form symmetries

SciPost Physics, 2022
By analogy with the Landau-Ginzburg theory of ordinary zero-form symmetries, we introduce and develop a Landau-Ginzburg theory of one-form global symmetries, which we call mean string field theory.
Nabil Iqbal, John McGreevy
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