Robust non-Markovianity in ultracold gases

Details Robust non-Markovianity in ultracold gases Robust non-Markovianity in ultracold gases

2012-04-26

arxiv.org/abs/1204.5889v1

Physics

Quantum Physics

Submitted to FQMT11 topical issue of the Physica Scripta

Scientific paper

We study the effect of thermal fluctuations on a probe qubit interacting with a Bose-Einstein condensed (BEC) reservoir. The zero-temperature case was studied in [Haikka P et al 2011 Phys. Rev. A 84 031602], where we proposed a method to probe the effects of dimensionality and scattering length of a BEC based on its behavior as an environment. Here we show that the sensitivity of the probe qubit is remarkably robust against thermal noise. We give an intuitive explanation for the thermal resilience, showing that it is due to the unique choice of the probe qubit architecture of our model.

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