|
| related topics |
| {equation, function, exp} |
| {energy, state, states} |
| {operator, operators, space} |
| {state, algorithm, problem} |
| {temperature, thermal, energy} |
| {energy, gaussian, time} |
| {time, decoherence, evolution} |
| {observables, space, algebra} |
| {measurement, state, measurements} |
| {phase, path, phys} |
| {level, atom, field} |
|
A Renormalisation Approach to Effective Interactions in Hilbert Space
J. Richert
abstract: The low-lying bound states of a microscopic quantum many-body system of $n$
particles and the related physical observables can be worked out in a truncated
$n$--particle Hilbert space. We present here a non-perturbative analysis of
this problem which relies on a renormalisation concept and work out the link
with perturbative approaches.
- oai_identifier:
- oai:arXiv.org:quant-ph/0209119
- categories:
- quant-ph nucl-th physics.atm-clus
- comments:
- 5 pages, no figures, LateX file
- arxiv_id:
- quant-ph/0209119
- created:
- 2002-09-23
Full article ▸
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