Similarity solution of thermonuclear burn wave with electron and α-conductivities

The process of non-uniform laser-driven DT plasma burning caused by the thermonuclear burn wave produced and propagating in plasma is investigated theoretically. The energy transfer from the burning plasma region to the remaining cold portion is assumed to be realized either by α-particles or by free electrons. A similarity solution of this problem has been obtained and, deriving from this solution, the conditions for ''firing-up'' non-uniform thermonuclear targets are defined. (author)