2004•Acta Physica SinicaOpen access
Theoretical study on the nuclear fusion mechanism of deuterium clusters aroused by Coulomb explosions with femtosecond intense laser
An Wei-Ke, Qiu Xijun, Zhiyuan Zhu, (1)上海大学理学院物理系，上海 200436; (2)上海大学理学院物理系，上海 200436;岳阳师范学院物理系，岳阳 414000; (3)中国科学院上海原子核研究所，上海 201800
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Abstract
Considering the Coulomb explosion induced by the interaction of a deuterium cluster target with an ultra-intensie femtosecond laser, the mechanism which generates energetic deuterium nuclei for the fusion has been analyzed．The formulas for expansions of deuterium ion clusters, which are driven by Coulomb explosion, are proposed; and hence the kinetic energies of deuterium nuclei and the expansion time of deuterium ion clusters have been estimated．