Physics – Plasma Physics
Scientific paper
2005-09-22
J.Phys. A39 (2006) 4475-4478
Physics
Plasma Physics
4 pages and 2 figures, presented at SCCS 2005, June 20-25, Moscow, Russia
Scientific paper
10.1088/0305-4470/39/17/S25
Real-time thermal field theory is used to reveal the structure of plasma corrections to nuclear reactions. Previous results are recovered in a fashion that clarifies their nature, and new extensions are made. Brown and Yaffe have introduced the methods of effective quantum field theory into plasma physics. They are used here to treat the interesting limiting case of dilute but very highly charged particles reacting in a dilute, one-component plasma. The highly charged particles are very strongly coupled to this background plasma. The effective field theory proves that this mean field solution plus the one-loop term dominate; higher loop corrections are negligible even though the problem involves strong coupling. Such analytic results for very strong coupling are rarely available, and they can serve as benchmarks for testing computer models.
Brown Lowell S.
Dooling David C.
Preston Dean L.
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