Running coupling from gluon exchange in the Schrodinger functional

Details Running coupling from gluon exchange in the Schrodinger functional Running coupling from gluon exchange in the Schrodinger functional

2011-10-27

arxiv.org/abs/1110.6046v1

Physics

High Energy Physics

High Energy Physics - Lattice

5 pages, contribution to Lattice 2011

Scientific paper

I propose a new method to determine the running coupling in a
Schrodinger-functional setup. The method utilizes the scattering amplitude of
massless fermions propagating between the time boundaries. Preliminary tests
show the statistical fluctuations of the new observable to be about half those
of the standard Schrodinger-functional running coupling.

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