Journal
SCIPOST PHYSICS
Volume 6, Issue 1, Pages -Publisher
SCIPOST FOUNDATION
DOI: 10.21468/SciPostPhys.6.1.010
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Funding
- Programa Masters d'Excel-lencia of the Fundacio Catalunya-La Pedrera
- Spanish Ministry MINECO (National Plan 15 Grant: FISICATEAMO) [FIS2016-79508-P]
- Spanish Ministry MINECO (National Plan 15 Grant: SEVERO OCHOA) [SEV-2015-0522]
- Fundacio Privada Cellex, Generalitat de Catalunya (AGAUR) [2017 SGR 1341]
- Fundacio Privada Cellex, Generalitat de Catalunya (CERCA/Program)
- ERC AdG OSYRIS
- EU FETPRO QUIC
- National Science Centre, Poland-Symfonia Grant [2016/20/W/ST4/00314]
- Spanish Ministry MINECO [QIBEQI FIS2016-80773-P]
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We study entanglement and squeezing of two uncoupled impurities immersed in a Bose-Einstein condensate. We treat them as two quantum Brownian particles interacting with a bath composed of the Bogoliubov modes of the condensate. The Langevin-like quantum stochastic equations derived exhibit memory effects. We study two scenarios: (i) In the absence of an external potential, we observe sudden death of entanglement; (ii) In the presence of an external harmonic potential, entanglement survives even at the asymptotic time limit. Our study considers experimentally tunable parameters.
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