|
| related topics |
| {time, wave, function} |
| {level, atom, field} |
| {energy, gaussian, time} |
| {wave, scattering, interference} |
| {field, particle, equation} |
| {equation, function, exp} |
| {temperature, thermal, energy} |
| {photon, photons, single} |
| {measurement, state, measurements} |
| {observables, space, algebra} |
| {classical, space, random} |
| {operator, operators, space} |
|
Quantum kinetic energy densities: An operational approach
J. G. Muga, D. Seidel, G. C. Hegerfeldt
abstract: We propose and investigate a procedure to measure, at least in principle, a
positive quantum version of the local kinetic energy density. This procedure is
based, under certain idealized limits, on the detection rate of photons emitted
by moving atoms which are excited by a localized laser beam. The same type of
experiment, but in different limits, can also provide other non
positive-definite versions of the kinetic energy density. A connection with
quantum arrival time distributions is discussed.
- oai_identifier:
- oai:arXiv.org:quant-ph/0502079
- categories:
- quant-ph
- comments:
- 13 pages, 1 figures
- doi:
- 10.1063/1.1875052
- arxiv_id:
- quant-ph/0502079
- journal_ref:
- J. Chem. Phys. 122, 154106 (2005)
- created:
- 2005-02-14
Full article ▸
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