Physics – Mathematical Physics
Scientific paper
2011-03-10
J. Phys. A: Math. Theor. 44 (2011) 335208
Physics
Mathematical Physics
7 pages
Scientific paper
10.1088/1751-8113/44/33/335208
The key element in time-dependent density functional theory is the one-to-one correspondence between the one-particle density and the external potential. In most approaches this mapping is transformed into a certain type of Sturm-Liouville problem. Here we give conditions for existence and uniqueness of solutions and construct the weighted Sobolev space they lie in. As a result the class of v-representable densities is considerably widened with respect to previous work.
Penz Markus
Ruggenthaler Michael
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