Digitale Medien
College Park, Md.
:
American Institute of Physics (AIP)
Journal of Mathematical Physics
32 (1991), S. 1344-1349
ISSN:
1089-7658
Quelle:
AIP Digital Archive
Thema:
Mathematik
,
Physik
Notizen:
Exact k-space density response of a perfect Fermion (spinless) fluid in the ground state to external potentials is derived in a closed form to all orders in two dimensions. The results are expressed in terms of geometrical invariants. The most distinct features in two dimensions are that no short wave-vector response depends on kF (the Fermi wave vector), and the usual first-order linear response function R˜(k) is a constant for k≤2kF.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1063/1.529285
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