Dark matter in E6 Grand unification
Dark matter in E6 Grand unification
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E6大统一中的暗物质
DOI:
10.1007/jhep02
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发表时间:
2018
影响因子:
5.4
通讯作者:
J. Schwichtenberg
中科院分区:
文献类型:
--
作者:
J. Schwichtenberg
The K3 sigma model based on the Z2-orbifold of the D4-torus theory is studied. It is shown that it has an equivalent description in terms of twelve free Majorana fermions, or as a rational conformal field theory based on the affine algebra b su (2) 6. By combining these different viewpoints we show that the N=(4, 4) preserving symmetries of this theory are described by the discrete symmetry group Z82: M20. This model therefore accounts for one of the largest maximal symmetry groups of K3 sigma models. The symmetry group involves also generators that, from the orbifold point of view, map untwisted and twisted sector states into one another.
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DOI:
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发表时间:
1998
期刊:
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影响因子:
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作者:
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2011
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DOI:
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发表时间:
1992
期刊:
Physical Review D, Particles and fields
影响因子:
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作者:
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通讯作者:
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