Stopping power and straggling in two-component plasmas
Keywords:
two-component plasmas, stopping power, straggling, loss functionAbstract
Stopping power S is one of the tools of plasma diagnostics. Particularly, the "minus first" (projectile) velocity power moment of the plasma stopping power or the stopping high-velocity asymptotic form. Usually, the interaction of target electrons with the plasma ions is neglected. Nevertheless, the target plasma electron-ion static structure factor influenceson the plasma polarizational stopping power. This effect hasbeen studied using the Feynman-like form for the plasma loss function1(,)Im(,)/Lkk stemming from the canonical solution of themoment problem of reconstruction of the system inverse dielectric function1(,)k. The same approach is employed in the present work tostudy the two-component non-ideal degenerate plasma straggling and itshigh-velocity asymptotic form. At the same time, the non-canonical solution of the moment problem is used to calculate the straggling at anyprojectile velocity. Note that in hot equilibrium plasmas (T>>TF) the straggling is just 2(2)BkTS.References
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3. Ortner J., Tkachenko I.M. Stopping power of strongly coupled electronic plasmas: Sum rules and asymptotic forms // Phys. Rev E. – 2001. – Vol. 63. – P. 026403.
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5. ArkhipovYu.V.et al. The Plasma Stopping Power Velocity Moment Diagnostics // Contr. Plasma Phys. – 2014. – Vol. 54. – P. 308-313.
6. Bethe H. Bethe, H. Zur Theorie des Durchgangsschneller Korpuskularstrahlendurch Materie // Ann. Phys. (Leipzig). – 1930. – Vol. 5. – P. 325-400; Larkin A.I. Passage of particles through a plasma //Sov. Phys. JETP. –1960. – Vol. 10. –P. 186-191.
7. Ballester D., Tkachenko I.M. Fast-Projectile Stopping Power of Quantal Multicomponent Strongly Coupled Plasmas // Phys. Rev. Lett. – 2008. – Vol. 101. –P. 075002; J. Phys. A: Math. Theor. – 2009. – Vol. 42. – P. 214035.
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9. Ichimaru S. Statistical plasma physics, Vol. 2: Condensed plasmas. – Boulder: West-view Press, 2004.
10. Perel’ V.I., Eliashberg G.M. Absorption of electromagnetic waves in plasma // Sov. Phys. JETP. –1962. – Vol. 14. – P. 633-637.
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Published
2016-04-01
How to Cite
Arkhipov, Y. V., Ashikbayeva, A. B., Askaruly, A., Yerkinbayev, N. Y., Davletov, A. E., & Tkachenko, M. I. (2016). Stopping power and straggling in two-component plasmas. International Journal of Mathematics and Physics, 6(2), 64–67. Retrieved from https://ijmph.kaznu.kz/index.php/kaznu/article/view/129
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Section
Theoretical Physics and Plasma Physics
