Symmetry protected topological phases and generalized cohomology

被引：0
作者：
Davide Gaiotto
Theo Johnson-Freyd
机构：
[1] Perimeter Institute for Theoretical Physics,
来源：
Journal of High Energy Physics | / 2019卷
关键词：
Effective Field Theories; Global Symmetries; Topological Field Theories; Topological States of Matter;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We discuss the classification of SPT phases in condensed matter systems. We review Kitaev’s argument that SPT phases are classified by a generalized cohomology theory, valued in the spectrum of gapped physical systems [20, 23]. We propose a concrete description of that spectrum and of the corresponding cohomology theory. We compare our proposal to pre-existing constructions in the literature.
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