期刊
PHYSICAL REVIEW LETTERS
卷 107, 期 16, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.107.161601
关键词
-
资金
- DOE [DE-FG0291ER40654]
- Fundamental Laws Initiative at Harvard
It is well known that a local, unitary Poincare-invariant 2D quantum field theory with a global scaling symmetry and a discrete non-negative spectrum of scaling dimensions necessarily has both a left and a right local conformal symmetry. In this Letter, we consider a chiral situation beginning with only a left global scaling symmetry and do not assume Lorentz invariance. We find that a left conformal symmetry is still implied, while right translations are enhanced either to a right conformal symmetry or a left U(1) Kac-Moody symmetry.
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