6533b7cefe1ef96bd1257279

RESEARCH PRODUCT

Robust non-Markovianity in ultracold gases

Suzanne McendooSuzanne McendooPinja HaikkaSabrina ManiscalcoSabrina ManiscalcoG. M. PalmaG. De Chiara

subject

PhysicsCondensed Matter::Quantum GasesWork (thermodynamics)Quantum PhysicsCold Atoms Open Quantum System Markovian Master equations/dk/atira/pure/subjectarea/asjc/3100/3107/dk/atira/pure/subjectarea/asjc/3100/3104Thermal fluctuationsFOS: Physical sciencesScattering lengthPhysics and Astronomy(all)Condensed Matter PhysicsSettore FIS/03 - Fisica Della MateriaAtomic and Molecular Physics and Optics/dk/atira/pure/subjectarea/asjc/3100Quantum Gases (cond-mat.quant-gas)Quantum mechanicsQubitThermalSensitivity (control systems)Condensed Matter - Quantum Gases/dk/atira/pure/subjectarea/asjc/2600/2610Quantum Physics (quant-ph)Mathematical PhysicsCurse of dimensionality

description

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.

https://dx.doi.org/10.48550/arxiv.1204.5889