Ab Initio Calculation of Relativistic Corrections to the Static Interquark potential I: SU(2) Gauge Theory

Abstract

We test the capability of state-of-the-art lattice techniques for a precise determination of relativistic corrections to the static interquark potential, by use of SU(2) gauge theory. Emphasis is put on the short range structure of the spin dependent potentials, with lattice resolution a ranging from a approx 0.04 fm (at beta=2.74) down to a approx 0.02 fm (at beta=2.96) on volumes of 32^4 and 48^4 lattice sites. We find a new short range Coulomb-like contribution to the spin-orbit potential V_1'.

37 pages REVTeX with 20 encapsuled ps figures

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• $B_c$ Spectroscopy from Lattice QCD
• Confinement: Understanding the Relation Between the Wilson Loop and Dual Theories of Long Distance Yang Mills Theory
• First Evidence of $N_f$-Dependence in the QCD Interquark Potential
• The Structure of Flux-tubes in SU(2)
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• Confinement and short distance physics
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• Spin-dependent interactions in quarkonia
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• SU(2) Gluodynamics and HP1 sigma-model embedding: Scaling, Topology and Confinement
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• Determination of the spin-dependent potentials with the multi-level algorithm
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