TY - JOUR
KW - paper
KW - theory
AU - Hannes Hübener
AB - A Bethe-Salpeter equation for the three-particle correlation function is derived, representing a second-order response generalization of the usual Bethe-Salpeter equation. The equation can be solved formally, giving the three-particle correlation function in terms of the two-particle correlation function and many-body interaction kernels. The similarity to second-order response time-dependent density-functional theory can be used to improve the understanding of the higher-order exchange and correlation kernels of this theory. An exact expression for such a kernel is derived.
BT - Phys. Rev. A
DA - Jun
DO - 10.1103/PhysRevA.83.062122
M1 - 6
N2 - A Bethe-Salpeter equation for the three-particle correlation function is derived, representing a second-order response generalization of the usual Bethe-Salpeter equation. The equation can be solved formally, giving the three-particle correlation function in terms of the two-particle correlation function and many-body interaction kernels. The similarity to second-order response time-dependent density-functional theory can be used to improve the understanding of the higher-order exchange and correlation kernels of this theory. An exact expression for such a kernel is derived.
PB - American Physical Society
PY - 2011
EP - 062122
T2 - Phys. Rev. A
TI - Second-order response Bethe-Salpeter equation
UR - http://pra.aps.org/abstract/PRA/v83/i6/e062122
VL - 83
ER -