期刊
PHYSICAL REVIEW B
卷 88, 期 15, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.88.155109
关键词
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资金
- DFG [Str 1176/1-1]
- NSF [DMR-1103860]
- John Templeton foundation
- Center for Ultracold Atoms (CUA)
- Multidisciplinary University Research Initiative (MURI)
- Perimeter Institute for Theoretical Physics
- Government of Canada through Industry Canada
- Province of Ontario through the Ministry of Research and Innovation
We compute current correlators of the CPN-1 field theory in 2 + 1 dimensions, both at the critical point and in the phase with spontaneously broken SU(N) symmetry. Universal constants are obtained to next-to-leading order in the 1/N expansion. Implications are noted for quantum critical points of antiferromagnets and their vicinity.
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