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  Tensionless gravitational string in $D=6$, $N=1$ heterotic string vacua

Kim, N., Rey, S.-J., Theisen, S., & Yankielowicz, S. (1998). Tensionless gravitational string in $D=6$, $N=1$ heterotic string vacua. In Y. M. Cho (Ed.), Proceedings of the APCTP Winter School Dualities in Gauge and String Theories: Sorak Mountain Resort, Korea, 17 - 28 February 1997 (pp. 382-389). Singapore [u.a.]: World Scientific.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-5A51-6 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-5A52-4
Genre: Conference Paper

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 Creators:
Kim, Nakwoo, Author
Rey, Soo-Jong, Author
Theisen, Stefan1, Author              
Yankielowicz, Shimon, Author
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

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 Abstract: Summary: We study the non-perturbative Coulomb phase of $D=6$, $N=1$ heterotic string vacua with more than one tensor multiplet. We find that, for $n_T>9$, the Coulomb branch is divided by a codimension-one hypersurface, across which the coupling of gravitational curvature-squared term changes sign. We find a new class of BPS soliton strings whose core is supported by a gravitational instanton, i.e. a self-dual gravitational string. For $n_T>9$, tension of the string vanishes at a codimension-one hypersurface. We suggest that the tensionless gravitational string might be related to a novel infrared phase of quantum gravity.

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 Dates: 1998
 Publication Status: Published in print
 Pages: -
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 Rev. Method: -
 Identifiers: eDoc: 379748
 Degree: -

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Title: APCTP Winter School Dualities in Gauge and String Theories
Place of Event: Seoul/Sokcho, Korea
Start-/End Date: 1997-02-17 - 1997-02-28

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Title: Proceedings of the APCTP Winter School Dualities in Gauge and String Theories : Sorak Mountain Resort, Korea, 17 - 28 February 1997
Source Genre: Proceedings
 Creator(s):
Cho, Y. M., Editor
Affiliations:
-
Publ. Info: Singapore [u.a.] : World Scientific
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 382 - 389 Identifier: ISBN: 981-02-3586-0