Quantum Plasmadynamics: Unmagnetized Plasmas

Donald Melrose

2007년 12월 · Lecture Notes in Physics 735권 · Springer

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The idea of synthesizing quantum electrodynamics (QED) and the kinetic theory of plasmas ?rst occurred to me in the early 1970s [1, 2]. The project to do so has been carried out bit by bit over the subsequent years. The name “quantum plasmadynamics” (QPD) is my own jargon [3] for the synthesized theory. Both QED and the kinetic theory of plasmas areconcerned with the int- action between charged particles and the electromagnetic ?eld, but they are radically di?erent in the way the interaction is described. The kinetic theory of plasmas is a collective-medium theory: a plasma is not a collection of - dependent particles in a given electromagnetic ?eld, but a medium in which the particles collectively modify the ?eld, and the ?eld modi?es the par- cles. The charge and current densities associated with the particles are part of a self-consistent ?eld. Conventionally, the kinetic theory of plasmas is a classical theory: the motions of particles are treated using classical dynamics.

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Following completion of his doctoral thesis, in theoretical particle physics at Oxford University in 1965, Don Melrose changed his research interests to plasma astrophysics. After post-doctoral appointments in the UK and the USA he returned to Australia in 1969, to the Australian National University until he took up his current appointment as Professor of Physics (Theoretical) at the University of Sydney in 1979. He made important contributions to the theory of coherent emission processes in astrophysics: plasma emission in solar radio bursts, electron cyclotron maser emission and pulsar radio emission. His current interests include pulsars, quantum plasmas and solar flares.