Fast-projectile stopping power of two-dimensional strongly correlated electron liquids

We study the high-velocity-projectile limit of the polarizational contribution to the in-plane stopping power in a strongly coupled two-dimensional electron liquid. The dielectric formalism based on the method of moments is employed. The frequency moments of the loss function are calculated using th...

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Bibliographic Details
Published in:Europhysics letters 2006-09, Vol.75 (5), p.791-796
Main Authors: Ballester, D, Fuentes, A. M, Tkachenko, I. M
Format: Article
Language:English
Subjects:
52.27.Gr
52.40.Mj
73.20.Mf
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Summary:We study the high-velocity-projectile limit of the polarizational contribution to the in-plane stopping power in a strongly coupled two-dimensional electron liquid. The dielectric formalism based on the method of moments is employed. The frequency moments of the loss function are calculated using the model Hamiltonian including the two-dimensional Coulomb interaction potential proportional to the inverse power of k. We prove that the leading term of the high-velocity asymptote, as in the random-phase approximation, is not affected by correlations.
ISSN:0295-5075
1286-4854
DOI:10.1209/epl/i2006-10169-6