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Another look at charge fractionalization at finite temperature

By Yeong-Chuan Kao and Ming-Chiun Wu


We study again the phenomenon of charge fractionalization at finite temperature. Our calculations are done in a framework in which the connection between the induced fermion number and the chiral anomaly is manifest. We find that the fractional fermion number induced on a soliton decreases as temperature rises and vanishes at infinite temperature at one-loop level. These results are consistent with previous studies. As an application of our approach, we have also studied the behavior of the induced Chern-Simons term in the (2+1)-dimensional QED at finite temperature.Comment: 9 pages, 2 figure

Topics: High Energy Physics - Theory, Condensed Matter - Other Condensed Matter
Year: 2012
DOI identifier: 10.1103/PhysRevD.85.027701
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