Journal article 948 views
Closed strings tachyons and non-commutative instabilities
Journal of High Energy Physics, Volume: "02", Issue: 02, Pages: 020 - 020
Swansea University Author:
Adi Armoni
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DOI (Published version): 10.1088/1126-6708/2003/02/020
Abstract
We observe a relation between closed strings tachyons and one-loop instabilities in non-supersymmetric non-commutative gauge theories. In particular we analyze the spectra of type IIB string theory on C^3/Z_N orbifold singularities and the non-commutative field theory that lives on D3 branes located...
| Published in: | Journal of High Energy Physics |
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| ISSN: | 1029-8479 |
| Published: |
2003
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| Online Access: |
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| URI: | https://cronfa.swan.ac.uk/Record/cronfa28672 |
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| Abstract: |
We observe a relation between closed strings tachyons and one-loop instabilities in non-supersymmetric non-commutative gauge theories. In particular we analyze the spectra of type IIB string theory on C^3/Z_N orbifold singularities and the non-commutative field theory that lives on D3 branes located at the singularity. We find a surprising correspondence between the existence or not of one-loop low-momentum instabilities in the non-commutative field theory and the existence or not of tachyons in the closed string twisted sectors. Moreover, the relevant piece of the non-commutative field theory effective action is suggestive of an exchange of closed string modes. This suggests that non-commutative field theories retain some information about the dynamics of the underlying string configuration. Finally, we also comment on a possible relation between closed string tachyon condensation and field theory tachyon |
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| College: |
Faculty of Science and Engineering |
| Issue: |
02 |
| Start Page: |
020 |
| End Page: |
020 |