Spontaneous parity violation in QCD at finite temperature: On the Inapplicability of the Vafa-Witten theorem
Jan, 20014 pages
Published in:
- Phys.Rev.D 64 (2001) 047704
e-Print:
- hep-th/0101197 [hep-th]
Report number:
- DOE-ER-40762-218,
- UM-PP-01-033
Citations per year
Abstract: (arXiv)
The generalization of the Vafa-Witten theorem ruling out parity violation to QCD at finite temperature is considered. It is shown that this generalization of the theorem rules out Lorentz-invariant parity violating operators from spontaneously acquiring vacuum expectation values. However, it does not rule out Lorentz-noninvariant parity-violating operators from acquiring expectation values. Other situations where the theorem is inapplicable are also discussed.Note:
- Minor typos corrected
- quantum chromodynamics
- finite temperature
- parity: violation
- spontaneous symmetry breaking
- Vafa-Witten theorem
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