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arXiv · 0805.4627

Separating the scales of confinement and chiral-symmetry breaking in lattice QCD with fundamental quarks

D. K. Sinclair
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Abstract

Suggested holographic duals of QCD, based on AdS/CFT duality, predict that one should be able to vary the scales of colour confinement and chiral-symmetry breaking independently. Furthermore they suggest that such independent variation of scales can be achieved by the inclusion of extra 4-fermion interactions in QCD. We simulate lattice QCD with such extra 4-fermion terms at finite temperatures and show that for strong enough 4-fermion couplings the deconfinement transition occurs at a lower temperature than the chiral-symmetry restoration transition. Moreover the separation of these transitions depends on the size of the 4-fermion coupling, confirming the predictions from the proposed holographic dual of QCD.

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D. K. Sinclair. 2008-06-08. Separating the scales of confinement and chiral-symmetry breaking in lattice QCD with fundamental quarks. https://doi.org/10.1103/physrevd.78.054512

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