Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8184793 | Nuclear Physics A | 2011 | 4 Pages |
Abstract
We demonstrate a connection between UA(1)-breaking and topology. We do this by showing that UA(1) is broken in a finite volume by configurations with a nonzero topological charge Qtop. As the temperature is increased, the number of such configurations (and hence the breaking) decreases, though it is still nonzero at the highest temperature (T=1.25Tc) that we study. The question as to whether these contributions survive in the thermodynamic as well as chiral limits is still an open one.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Nuclear and High Energy Physics
Authors
Michael Cheng, Prasad Hegde, Zhongjie Lin,