Half-BPS quotients in M-theory: ADE with a twist

被引：2

作者：

de Medeiros, Paul ^{[1
,2
]}

Figueroa-O'Farrill, Jose ^{[1
,2
,3
]}

Gadhia, Sunil ^{[1
,2
]}

Mendez-Escobar, Elena ^{[1
,2
]}

机构：

[1] Univ Edinburgh, Sch Math, Edinburgh EH9 3JZ, Midlothian, Scotland

[2] Univ Edinburgh, Maxwell Inst Math Sci, Edinburgh EH9 3JZ, Midlothian, Scotland

[3] Univ Tokyo, Inst Phys & Math Universe, Chiba 2778586, Japan

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2009年 / 10期

关键词：

p-branes; M-Theory; SUPERSYMMETRIES;

D O I：

10.1088/1126-6708/2009/10/038

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We classify Freund-Rubin backgrounds of eleven-dimensional supergravity of the form AdS(4) x X-7 which are at least half BPS-equivalently, smooth quotients of the round 7-sphere by finite subgroups of SO(8) which admit an (N > 3)-dimensional subspace of Killing spinors. The classification is given in terms of pairs consisting of an ADE subgroup of SU(2) and an automorphism defining its embedding in SO(8). In particular we find novel half-BPS quotients associated with the subgroups of type D-n >= 6, E-7 and E-8 and their outer automorphisms.

引用

页数：19

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