%0 Journal Article %1 Zhang198942 %A Zhang, H. %D 1989 %J Zeitschrift für Physik C Particles and Fields %K imported %P 437 %T Topological vacua and spontaneous CP violations in Yang-Mills theories %V 42 %X From the consideration of the topological structures of Yang-Mills theories, we obtain the results thatSU(2) Yang-Mills theory in the Minkowski space has the vacua of topologyZ?Z2. Therefore, we argue that the physical vacuum ofSU(2) Yang-Mills theory needs to be described by two vacuum angles ? and . Consequently, even if ?=0, a non-vanishing angle can still induce spontaneous CP violations in such gauge theories.

@article{Zhang198942, abstract = {From the consideration of the topological structures of Yang-Mills theories, we obtain the results thatSU(2) Yang-Mills theory in the Minkowski space has the vacua of topologyZ?Z2. Therefore, we argue that the physical vacuum ofSU(2) Yang-Mills theory needs to be described by two vacuum angles ? and . Consequently, even if ?=0, a non-vanishing angle can still induce spontaneous CP violations in such gauge theories.}, added-at = {2014-09-15T08:49:36.000+0200}, author = {Zhang, H.}, biburl = {https://www.bibsonomy.org/bibtex/2cde3a8ceee543ba1ca7a63e56a3bb7b3/zhaozhh02}, file = {Zhang198942.pdf:Zhang198942.pdf:PDF}, interhash = {74d619555c1ba5588d29fb07a2bab631}, intrahash = {cde3a8ceee543ba1ca7a63e56a3bb7b3}, journal = {Zeitschrift für Physik C Particles and Fields}, keywords = {imported}, owner = {zhao}, pages = 437, timestamp = {2014-09-15T08:49:36.000+0200}, title = {Topological vacua and spontaneous CP violations in Yang-Mills theories}, volume = 42, year = 1989 }