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Title: Factorization of chiral string amplitudes

Abstract

We re-examine a closed-string model defined by altering the boundary conditions for one handedness of two-dimensional propagators in otherwise-standard string theory. We evaluate the amplitudes using Kawai-Lewellen-Tye factorization into open-string amplitudes. The only modification to standard string theory is effectively that the spacetime Minkowski metric changes overall sign in one open-string factor. This cancels all but a finite number of states: as found in earlier approaches, with enough supersymmetry (e.g., type II) the tree amplitudes reproduce those of the massless truncation of ordinary string theory. However, we now find for the other cases that additional fields, formerly thought to be auxiliary, describe new spin-2 states at the two adjacent mass levels (tachyonic and tardyonic). The tachyon is always a ghost, but can be avoided in the heterotic case.

Authors:
 [1];  [2];  [3]
+ Show Author Affiliations
  1. Princeton Univ., NJ (United States); National Taiwan Univ., Taipei (Taiwan)
  2. State Univ. of New York (SUNY), Stony Brook, NY (United States)
  3. Princeton Univ., NJ (United States)
Publication Date:
Research Org.:
Princeton Univ., NJ (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1434622
Grant/Contract Number:  
SC0009988
Resource Type:
Accepted Manuscript
Journal Name:
Journal of High Energy Physics (Online)
Additional Journal Information:
Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2016; Journal Issue: 9; Journal ID: ISSN 1029-8479
Publisher:
Springer Berlin
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; Bosonic Strings; Scattering Amplitudes

Citation Formats

Huang, Yu-tin, Siegel, Warren, and Yuan, Ellis Ye. Factorization of chiral string amplitudes. United States: N. p., 2016. Web. doi:10.1007/JHEP09(2016)101.
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Huang, Yu-tin, Siegel, Warren, & Yuan, Ellis Ye. Factorization of chiral string amplitudes. United States. https://doi.org/10.1007/JHEP09(2016)101
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Huang, Yu-tin, Siegel, Warren, and Yuan, Ellis Ye. Fri . "Factorization of chiral string amplitudes". United States. https://doi.org/10.1007/JHEP09(2016)101. https://www.osti.gov/servlets/purl/1434622.
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@article{osti_1434622,
title = {Factorization of chiral string amplitudes},
author = {Huang, Yu-tin and Siegel, Warren and Yuan, Ellis Ye},
abstractNote = {We re-examine a closed-string model defined by altering the boundary conditions for one handedness of two-dimensional propagators in otherwise-standard string theory. We evaluate the amplitudes using Kawai-Lewellen-Tye factorization into open-string amplitudes. The only modification to standard string theory is effectively that the spacetime Minkowski metric changes overall sign in one open-string factor. This cancels all but a finite number of states: as found in earlier approaches, with enough supersymmetry (e.g., type II) the tree amplitudes reproduce those of the massless truncation of ordinary string theory. However, we now find for the other cases that additional fields, formerly thought to be auxiliary, describe new spin-2 states at the two adjacent mass levels (tachyonic and tardyonic). The tachyon is always a ghost, but can be avoided in the heterotic case.},
doi = {10.1007/JHEP09(2016)101},
journal = {Journal of High Energy Physics (Online)},
number = 9,
volume = 2016,
place = {United States},
year = {Fri Sep 16 00:00:00 EDT 2016},
month = {Fri Sep 16 00:00:00 EDT 2016}
}
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Journal Article:
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Publisher's Version of Record
https://doi.org/10.1007/JHEP09(2016)101
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Works referenced in this record:

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Green-Schwarz mechanism and α′-deformed Courant brackets
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  • Cachazo, Freddy; He, Song; Yuan, Ellis Ye
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  • DOI: 10.1007/JHEP01(2015)121

Three-point functions in duality-invariant higher-derivative gravity
journal, March 2016

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journal, August 2013

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text, January 2013

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text, January 2013

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text, January 2013

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