Topological G2 and Spin(7) strings at 1-loop from double complexes
Topological G2 and Spin(7) strings at 1-loop from double complexes
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来自双复合体的 1 环拓扑 G2 和 Spin(7) 弦
DOI:
10.1007/jhep02(2022)089
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发表时间:
2022
影响因子:
5.4
通讯作者:
Ashmore A
中科院分区:
文献类型:
--
作者:
Ashmore A
We study the topological G 2 and Spin (7) strings at 1-loop. We define new double complexes for supersymmetric NSNS backgrounds of string theory using generalised geometry. The 1-loop partition function then has a target-space interpretation as a particular alternating product of determinants of Laplacians, which we have dubbed the analytic torsion. In the case without flux where these backgrounds have special holonomy, we reproduce the worldsheet calculation of the G 2 string and give a new prediction for the Spin (7) string. We also comment on connections with topological strings on Calabi-Yau and K3 backgrounds.
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DOI:
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发表时间:
2004
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5.4
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2005
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