Intermediate distance correlators in hot Yang-Mills theory

Laine M, Vepsalainen M, Vuorinen A (2010)
JHEP 2010(12): 078.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
Lattice measurements of spatial correlation functions of the operators FF andFF-dual in thermal SU(3) gauge theory have revealed a clear difference betweenthe two channels at "intermediate" distances, x ~ 1/(pi T). This is at oddswith the AdS/CFT limit which predicts the results to coincide. On the otherhand, an OPE analysis at short distances (x << 1/(pi T)) as well as effectivetheory methods at long distances (x >> 1/(pi T)) suggest differences. Here westudy the situation at intermediate distances by determining the time-averagedspatial correlators through a 2-loop computation. We do find unequal results,however the numerical disparity is small. Apart from theoretical issues, afuture comparison of our results with time-averaged lattice measurements mightalso be of phenomenological interest in that understanding the convergence ofthe weak-coupling series at intermediate distances may bear on studies of thethermal broadening of heavy quarkonium resonances.
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Zeitschriftentitel
JHEP
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2010
Zeitschriftennummer
12
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078
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Laine M, Vepsalainen M, Vuorinen A. Intermediate distance correlators in hot Yang-Mills theory. JHEP. 2010;2010(12):078.
Laine, M., Vepsalainen, M., & Vuorinen, A. (2010). Intermediate distance correlators in hot Yang-Mills theory. JHEP, 2010(12), 078. doi:10.1007/JHEP12(2010)078
Laine, M., Vepsalainen, M., and Vuorinen, A. (2010). Intermediate distance correlators in hot Yang-Mills theory. JHEP 2010, 078.
Laine, M., Vepsalainen, M., & Vuorinen, A., 2010. Intermediate distance correlators in hot Yang-Mills theory. JHEP, 2010(12), p 078.
M. Laine, M. Vepsalainen, and A. Vuorinen, “Intermediate distance correlators in hot Yang-Mills theory”, JHEP, vol. 2010, 2010, pp. 078.
Laine, M., Vepsalainen, M., Vuorinen, A.: Intermediate distance correlators in hot Yang-Mills theory. JHEP. 2010, 078 (2010).
Laine, Mikko, Vepsalainen, M., and Vuorinen, Aleksi. “Intermediate distance correlators in hot Yang-Mills theory”. JHEP 2010.12 (2010): 078.

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