Solitons in a chiral quark model with non-local interactions
Bojan Golli, Wojciech Broniowski, Georges Ripka
Abstract
Hedgehog solitons are found in a chiral quark model with non-local interactions. The solitons are stable without the chiral-circle constraint for the meson fields, as was assumed in previous Nambu-Jona--Lasinio model with local interactions.
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