A variational method in the problem of screening an external charge in strongly correlated metals

Author: Guzmán-Verri G. G.   Shekhter A.   Varma C. M.  

Publisher: Edp Sciences

E-ISSN: 1286-4854|103|2|27003-27003

ISSN: 0295-5075

Source: EPL (EUROPHYSICS LETTERS), Vol.103, Iss.2, 2013-08, pp. : 27003-27003

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Abstract