|
| related topics |
| {temperature, thermal, energy} |
| {energy, state, states} |
| {energy, gaussian, time} |
| {trap, ion, state} |
| {operator, operators, space} |
| {equation, function, exp} |
| {cos, sin, state} |
| {field, particle, equation} |
| {force, casimir, field} |
| {state, states, coherent} |
| {cavity, atom, atoms} |
| {bell, inequality, local} |
| {phase, path, phys} |
| {let, theorem, proof} |
|
Dynamic response of interacting one-dimensional fermions in the harmonic
atom trap: Phase response and the inhomogeneous mobility
W. Wonneberger
abstract: The problem of the Kohn mode in bosonized theories of one-dimensional
interacting fermions in the harmonic trap is investigated and a suitable
modification of the interaction is proposed which preserves the Kohn mode. The
modified theory is used to calculate exactly the inhomogeneous linear mobility
at position z in response to a spatial force pulse at another position. It is
found the inhomogeneous particle mobility exhibits resonances not only at the
trap frequency but also at multiples of a new renormalized collective mode
frequency which depends on the strength of the interaction. In contrast, the
local response obtained by averaging over the pulse position remains that of
the non-interacting system.
- oai_identifier:
- oai:arXiv.org:quant-ph/0508185
- categories:
- quant-ph
- comments:
- 16 pages, LaTex, changed content
- doi:
- 10.1016/j.physleta.2006.03.062
- arxiv_id:
- quant-ph/0508185
- journal_ref:
- Physics Letters A 356 (2006) 272-276
- created:
- 2005-08-25
- updated:
- 2006-08-22
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