|
| related topics |
| {wave, scattering, interference} |
| {temperature, thermal, energy} |
| {particle, mechanics, theory} |
| {photon, photons, single} |
| {level, atom, field} |
| {time, wave, function} |
| {time, decoherence, evolution} |
| {equation, function, exp} |
| {cos, sin, state} |
| {trap, ion, state} |
| {energy, gaussian, time} |
| {theory, mechanics, state} |
| {entanglement, phys, rev} |
| {spin, pulse, spins} |
|
Mesoscopic interference
P. Facchi, A. Mariano, S. Pascazio
abstract: We analyze a double-slit experiment when the interfering particle is
"mesoscopic" and one endeavors to obtain Welcher Weg information by shining
light on it. We derive a compact expression for the visibility of the
interference pattern: coherence depends on both the spatial and temporal
features of the wave function during its travel to the screen. We set a bound
on the temperature of the mesoscopic particle in order that its quantum
mechanical coherence be maintained.
- oai_identifier:
- oai:arXiv.org:quant-ph/0105110
- categories:
- quant-ph
- comments:
- 16 pages, 14 figures
- arxiv_id:
- quant-ph/0105110
- journal_ref:
- Recent Res. Devel. Physics, 3 (2002) 1-29
- created:
- 2001-05-23
Full article ▸
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