期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 4, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP04(2017)135
关键词
Anomalies in Field and String Theories; Chern-Simons Theories; Duality in Gauge Field Theories; Global Symmetries
资金
- MIUR-SIR grant [RBSI1471GJ]
- INFN
- IBM Einstein Fellowship at the Institute for Advanced Study
- Physics Department of Princeton University
- DOE [DE-SC0009988]
- Hanna Visiting Professor Program
- Stanford Institute for Theoretical Physics
We analyze in detail the global symmetries of various (2 + 1) d quantum field theories and couple them to classical background gauge fields. A proper identification of the global symmetries allows us to consider all non-trivial bundles of those background fields, thus finding more subtle observables. The global symmetries exhibit interesting 't Hooft anomalies. These allow us to constrain the IR behavior of the theories and provide powerful constraints on conjectured dualities.
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