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Advanced Topics in Quantum Field Theory by M. Shifman

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4

Monopoles and Skyrmions

Becoming acquainted with ’t Hooft–Polyakov monopoles. — Nontriviality of the second homotopy group, or why these monopoles are topologically stable. — The Bogomol’nyi limit. — Quantizing the monopole moduli. — Dyons. — Skyrmions in multicolor QCD. — Nontriviality of the third homotopy group. — Interpreting Skyrmions as baryons. — Exotic Skyrmions.

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15 Magnetic monopoles

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Now we will discuss magnetic monopoles – very interesting particles which carry a magnetic charge. They emerge in non-Abelian gauge theories in which ...

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