Expanding on the concept of the authors' previous book 'ElectroweakProcesses in External Electromagnetic Fields, ' this new book systematically describes the investigation methods for the effects of external active media, both strong electromagnetic fields and hot dense plasma, in quantum processes. Solving the solar neutrino puzzle in a unique experiment conducted with the help of the heavy-waterdetector at the Sudbery Neutrino Observatory, along with another neutrino experiments, brings to the fore electroweak physics in anactive external medium. It is effectively demonstrated that processes of neutrino interactions with active media of astrophysical objects may lead, under some physical conditions, to such interesting effects as neutrino-driven shockwave revival in a supernova explosion, a'cherry stone shooting' mechanism for pulsar natal kick, and aneutrino pulsar. It is also shown how poor estimates of particledispersion in external active media sometimes lead to confusion. Thebook will appeal to graduate and post-graduate students of theoreticalphysics with a prior understanding of Quantum Field Theory (QFT) and the Standard Model of Electroweak Interactions, as well asto specialists in QFT who want to know more about the problems ofquantum phenomena in hot dense plasma and external electromagnetic fields.
Introduction -- Solutions of the Dirac Equation in an External Electromagnetic Field -- Propagators of Charged Particles in External Active Media -- Particle Dispersion inExternal Active Media.-Electromagnetic Interactions inExternal Active Media -- Neutrino-Electron Interactions in External Active Media -- Neutrino-Photon Interactions inExternal Active Media -- Conclusion.?╗╣