![]() |
Advanced School of ITEP on Particle Theory.
ASIPT-9925 February - 5 March 1999. http://www.lattice.itep.ru/ASIPT-99 Mirror site: http://www.desy.de/~ozerov/ASIPT.html |
V.A.Rubakov,P.Tinyakov, S.Troitsky, M.Libanov
Institute for Nuclear Research
of the Russian Academy of Sciences
Simplest topological solitons: kink, vortex (cosmic string). No-go theorems on the existence of solitons. Magnetic monopoles. Dyons. BPS limit.
Fermions in soliton backgrounds. Charge fractionalization. Angular momentum in the presence of a monopole. Monopole catalysis of proton decay.
Decay of a metastable state in quantum mechanics: Euclidean classical solutions. False vacuum decay in scalar theory: bounce and critical bubble.
Instanton in Yang-Mills theory. Classical vacua and theta-vacua. Sphaleron in Yang-Mills-Higgs theory, its relevance at finite temperature.
Anomalous non-conservation of fermion quantum numbers. Level crossing and Euclidean zero fermion modes in instanton background. Selection rules in the Standard Model. Sphalerons and electroweak B and L violation at finite temperature.
Non-topological solitons (Q-balls).
Bounce and instanton in path integral formalism. Instanton contributions into Green's functions of fermions.
FAX: 7 (095) 883-96-01
E-Mail: ASIPT-99@itep.ru