|
| related topics |
| {temperature, thermal, energy} |
| {time, decoherence, evolution} |
| {light, field, probe} |
| {photon, photons, single} |
| {cavity, atom, atoms} |
| {trap, ion, state} |
| {energy, gaussian, time} |
| {time, wave, function} |
| {wave, scattering, interference} |
| {cos, sin, state} |
| {state, states, coherent} |
| {measurement, state, measurements} |
| {operator, operators, space} |
| {energy, state, states} |
| {level, atom, field} |
|
Optical discrimination between spatial decoherence and thermalization of
a massive object
C. Henkel, M. Nest, P. Domokos, R. Folman
abstract: We propose an optical ring interferometer to observe environment-induced
spatial decoherence of massive objects. The object is held in a harmonic trap
and scatters light between degenerate modes of a ring cavity. The output signal
of the interferometer permits to monitor the spatial width of the object's wave
function. It shows oscillations that arise from coherences between energy
eigenstates and that reveal the difference between pure spatial decoherence and
that coinciding with energy transfer and heating. Our method is designed to
work with a wide variety of masses, ranging from the atomic scale to
nano-fabricated structures. We give a thorough discussion of its experimental
feasibility.
- oai_identifier:
- oai:arXiv.org:quant-ph/0310160
- categories:
- quant-ph
- comments:
- 2 figures
- doi:
- 10.1103/PhysRevA.70.023810
- arxiv_id:
- quant-ph/0310160
- journal_ref:
- Phys. Rev A, 70, p. 023810 (2004)
- created:
- 2003-10-27
- updated:
- 2004-07-13
Full article ▸
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