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Nonlocal charge-density susceptibilities

The total electronic potential energy of a molecule depends on the averaged electronic charge density and the nonlocal charge-density susceptibility. The molecule is assumed to be in equilibrium with a radiation bath at temperature T, so that the probability distribution over electronic states is determined by the partition function at T. The electronic potential energy is given exactly by... [Pg.173]

The charge-density susceptibility is a linear response function it is nonlocal because a perturbing potential applied at any point r affects the charge density throughoutthe molecule. Quantum mechanically,x(r, r co) is specified by (2)... [Pg.171]

See other pages where Nonlocal charge-density susceptibilities is mentioned: [Pg.169]    [Pg.171]    [Pg.171]    [Pg.169]    [Pg.171]    [Pg.171]    [Pg.169]    [Pg.171]    [Pg.171]    [Pg.169]    [Pg.171]    [Pg.171]    [Pg.178]    [Pg.178]    [Pg.158]   


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Charge-density susceptibilities

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