Confinement, Diquarks and Goldstone's theorem

Craig D. Roberts

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arXiv · nucl-th/9609039

Confinement, Diquarks and Goldstone's theorem

Craig D. Roberts

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Abstract

Determinations of the gluon propagator in the continuum and in lattice simulations are compared. A systematic truncation procedure for the quark Dyson-Schwinger and bound state Bethe-Salpeter equations is described. The procedure ensures the flavour-octet axial-vector Ward identity is satisfied order-by-order, thereby guaranteeing the preservation of Goldstone's theorem; and identifies a mechanism that simultaneously ensures the absence of diquarks in QCD and their presence in QCD$^{N_c=2}$, where the colour singlet diquark is the ``baryon'' of the theory.

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Craig D. Roberts. 1996-09-16. Confinement, Diquarks and Goldstone's theorem. https://arxiv.org/abs/nucl-th/9609039

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