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On the Hartree Interaction in Quasi‐2D Systems
Author(s) -
Combescot Monique
Publication year - 1994
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221850207
Subject(s) - hartree , coulomb , momentum (technical analysis) , physics , momentum transfer , character (mathematics) , range (aeronautics) , zero (linguistics) , quantum electrodynamics , statistical physics , quantum mechanics , mathematics , electron , materials science , scattering , geometry , linguistics , philosophy , finance , economics , composite material
The Hartree interaction in quasi‐2D systems (i.e. the Coulomb excitations with zero momentum transfer) is rederived without introducing any particular cut‐off to withdraw the divergences arising from the long‐range character of the Coulomb potential. It is shown that the remaining finite part is indeed independent of the cut‐off as physically expected.