Engineering thermal reservoirs for ultracold dipole-dipole-interacting Rydberg atoms

We consider an open quantum system of ultracold Rydberg atoms. The system part consists of resonant dipole-dipole-interacting Rydberg states. The environment part is formed by 'three-level atoms': each atom has a ground state, a short-lived excited state, and a Rydberg state that interacts...

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Bibliographic Details
Published inNew journal of physics Vol. 20; no. 1; pp. 13011 - 13018
Main Authors Schönleber, D W, Bentley, C D B, Eisfeld, A
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.01.2018
Subjects
Boltzmann distribution
Dipoles
Eigenvectors
Interaction parameters
Physics
quantum simulation
Quantum theory
reservoir engineering
Rydberg atoms
Rydberg states
thermal state preparation
Thermalization (energy absorption)
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Summary:We consider an open quantum system of ultracold Rydberg atoms. The system part consists of resonant dipole-dipole-interacting Rydberg states. The environment part is formed by 'three-level atoms': each atom has a ground state, a short-lived excited state, and a Rydberg state that interacts with the system states. The two transitions in the environment atoms are optically driven, and provide control over the environment dynamics. Appropriate choice of the laser parameters allows us to prepare a Boltzmann distribution of the system's eigenstates. By tuning the laser parameters and system-environment interaction, we can change the temperature associated with this Boltzmann distribution, and also the thermalization dynamics. Our method provides novel opportunities for quantum simulation of thermalization dynamics using ultracold Rydberg atoms.
Bibliography:NJP-106991.R1
ISSN:1367-2630
1367-2630
DOI:10.1088/1367-2630/aa9c97