Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2000-11-18
Phys.Rev. D63 (2001) 085004
Physics
High Energy Physics
High Energy Physics - Theory
10 pages, 10 figures, a sign typo in equation 27 is corrected
Scientific paper
10.1103/PhysRevD.63.085004
We demonstrate by explicit construction that while the untwisted Harrington-Shepard caloron $A_\mu$ is manifestly periodic in Euclidean time, with period $\beta=\frac{1}{T}$, when transformed to the Weyl ($A_0=0$) gauge, the caloron gauge field $A_i$ is periodic only up to a large gauge transformation, with winding number equal to the caloron's topological charge. This helps clarify the tunneling interpretation of these solutions, and their relation to Chern-Simons numbers and winding numbers.
Dunne Gerald V.
Tekin Bayram
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