|
| related topics |
| {equation, function, exp} |
| {time, decoherence, evolution} |
| {temperature, thermal, energy} |
| {spin, pulse, spins} |
| {let, theorem, proof} |
| {energy, gaussian, time} |
| {wave, scattering, interference} |
| {energy, state, states} |
| {level, atom, field} |
| {operator, operators, space} |
| {group, space, representation} |
| {field, particle, equation} |
|
Existence of A Rigorous Density-Functional Theory for Open Electronic
Systems
Xiao Zheng, Fan Wang, GuanHua Chen
abstract: We prove that the electron density function of a real physical system can be
uniquely determined by its values on any finite subsystem. This establishes the
existence of a rigorous density-functional theory for any open electronic
system. By introducing a new density functional for dissipative interactions
between the reduced system and its environment, we subsequently develop a
time-dependent density-functional theory which depends in principle only on the
electron density of the reduced system.
- oai_identifier:
- oai:arXiv.org:quant-ph/0605104
- categories:
- quant-ph
- comments:
- 5 pages, 1 figure
- arxiv_id:
- quant-ph/0605104
- created:
- 2006-05-11
Full article ▸
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