|
related topics |
{trap, ion, state} |
{measurement, state, measurements} |
{spin, pulse, spins} |
{level, atom, field} |
{light, field, probe} |
{time, wave, function} |
{photon, photons, single} |
{particle, mechanics, theory} |
|
A relaxationless demonstration of the Quantum Zeno Paradox on an
individual atom
Chr. Balzer, Th. Hannemann, D. Rei\ss, Chr. Wunderlich, W. Neuhauser, P. E. Toschek
abstract: The driven evolution of the spin of an individual atomic ion on the
ground-state hyperfine resonance is impeded by the observation of the ion in
one of the pertaining eigenstates. Detection of resonantly scattered light
identifies the ion in its upper ``bright'' state. The lower ``dark'' ion state
is free of relaxation and correlated with the detector by a null signal. Null
events represent the straightforward demonstration of the quantum Zeno paradox.
Also, high probability of survival was demonstrated when the ion, driven by a
fractionated $\pi $ pulse, was probed {\em and monitored} during the
intermissions of the drive, such that the ion's evolution is completely
documented.
- oai_identifier:
- oai:arXiv.org:quant-ph/0406027
- categories:
- quant-ph
- comments:
- 7 pages
- doi:
- 10.1016/S0030-4018(02)01859-X
- arxiv_id:
- quant-ph/0406027
- journal_ref:
- Optics Communications Vol. 211, 235-241 (2002)
- created:
- 2004-06-04
Full article ▸
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