Localization of phonons in ion traps with controlled quantum disorder

Details Localization of phonons in ion traps with controlled quantum disorder Localization of phonons in ion traps with controlled quantum disorder

2010-02-19

arxiv.org/abs/1002.3748v2

New J. Phys. 12 123016 (2010)

Physics

Quantum Physics

RevTex4 file, color figures, revised version

Scientific paper

10.1088/1367-2630/12/12/123016

We show that the vibrations of a chain of trapped ions offer an interesting route to explore the physics of disordered quantum systems. By preparing the internal state of the ions in a quantum superposition, we show how the local vibrational energy becomes a stochastic variable, being its statistical properties inherited from the underlying quantum parallelism of the internal state. We describe a minimally-perturbing measurement of the resonance fluorescence, which allows us to study effects like Anderson localization without the need of ground-state cooling or individual addressing, and thus paves the way towards high-temperature ion experiments.

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