期刊
PHYSICAL REVIEW LETTERS
卷 111, 期 16, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.111.161603
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资金
- U.S. Department of Energy (D.O.E.) [DE-FG0205ER41360, DE-SC0009919]
- Alfred P. Sloan Foundation
- Perimeter Institute for Theoretical Physics
- Government of Canada through Industry Canada
- Province of Ontario through the Ministry of Economic Development and Innovation
It is possible to characterize certain states of matter by properties of their edge states. This implies a notion of surface-only models: models which can only be regularized at the edge of a higher-dimensional system. After incorporating the fermion-doubling results of Nielsen and Ninomiya into this framework, we employ this idea to identify new obstructions to symmetry-preserving regulators of quantum field theory. We focus on an example which forbids regulated models of Maxwell theory with manifest electromagnetic duality symmetry.
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