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Gauge Threshold Corrections for Local Orientifolds

Abstract:

We study gauge threshold corrections for systems of fractional branes at local orientifold singularities and compare with the general Kaplunovsky-Louis expression for locally supersymmetric N=1 gauge theories. We focus on branes at orientifolds of the C^3/Z_4, C^3/Z_6 and C^3/Z_6' singularities. We provide a CFT construction of these theories and compute the threshold corrections. Gauge coupling running undergoes two phases: one phase running from the bulk winding scale to the string scale, a...

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Publication status:
Published

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Journal:
JHEP More from this journal
Volume:
0909
Issue:
9
Pages:
019
Publication date:
2009-06-10
DOI:
EISSN:
1029-8479
ISSN:
1029-8479
Keywords:
Pubs id:
pubs:9321
UUID:
uuid:66a76f88-56df-4a72-8240-7fbf1265269a
Local pid:
pubs:9321
Source identifiers:
9321
Deposit date:
2012-12-19

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