dorsal/arxiv
View SchemaConfinement, Diquarks and Goldstone's theorem
| Authors | Craig D. Roberts |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9609039 |
| URL | https://arxiv.org/abs/nucl-th/9609039 |
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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"abstract": "Determinations of the gluon propagator in the continuum and in lattice\nsimulations are compared. A systematic truncation procedure for the quark\nDyson-Schwinger and bound state Bethe-Salpeter equations is described. The\nprocedure ensures the flavour-octet axial-vector Ward identity is satisfied\norder-by-order, thereby guaranteeing the preservation of Goldstone\u0027s theorem;\nand identifies a mechanism that simultaneously ensures the absence of diquarks\nin QCD and their presence in QCD$^{N_c=2}$, where the colour singlet diquark is\nthe ``baryon\u0027\u0027 of the theory.",
"arxiv_id": "nucl-th/9609039",
"authors": [
"Craig D. Roberts"
],
"categories": [
"nucl-th",
"hep-ph"
],
"title": "Confinement, Diquarks and Goldstone\u0027s theorem",
"url": "https://arxiv.org/abs/nucl-th/9609039"
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