Volume 104, Number 3, November 2013
|Number of page(s)||6|
|Section||Physics of Gases, Plasmas and Electric Discharges|
|Published online||29 November 2013|
Stopping of relativistic projectiles in two-component plasmas
1 Physics and Technics Department, al-Farabi Kazakh National University - al-Farabi ave., 71, Almaty 050040, Kazakhstan
2 Instituto de Matemática Pura y Aplicada, Universidad Politécnica de Valencia - Camino de Vera s/n, 46022 Valencia, Spain
Received: 3 September 2013
Accepted: 29 October 2013
Relativistic and correlation contributions to the polarizational energy losses of heavy projectiles moving in dense two-component plasmas are analyzed within the method of moments that allows one to reconstruct the Lindhard loss function from its three independently known power frequency moments. The techniques employed result in a thorough separation of the relativistic and correlation corrections to the classical asymptotic form for the polarizational losses obtained by Bethe and Larkin. The above corrections are studied numerically at different values of plasma parameters to show that the relativistic contribution enhances only slightly the corresponding value of the stopping power.
PACS: 52.27.Gr – Strongly-coupled plasmas / 52.40.Mj – Particle beam interactions in plasmas / 73.20.Mf – Collective excitations (including excitons, polarons, plasmons and other charge-density excitations)
© EPLA, 2013
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