2007/03/31 by Philipp Treutlein, David Hunger, Stephan Camerer +3 · 9 citations
Computer Science · Physics and Astronomy · #Atom (system on chip) #Atomic physics #Bose–Einstein condensate #Cantilever #Cavity quantum electrodynamics #Condensed matter physics #Coupling (piping) #Materials science #Mechanical and Optical Resonators #Open quantum system #Optoelectronics #Optomechanics #Physics #Quantum #Quantum Electrodynamics and Casimir Effect #Quantum Information and Cryptography #Quantum mechanics #Resonator #quant-ph
paper · pdf · doi:10.1103/physrevlett.99.140403
published as Phys. Rev. Lett. 99, 140403 (2007) · published version (5 pages, 3 figures)
openalex publication_date 2007/10/03 · arxiv created 2007/10/04 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We theoretically study the coupling of Bose-Einstein condensed atoms to the mechanical oscillations of a nanoscale cantilever with a magnetic tip. This is an experimentally viable hybrid quantum system which allows one to explore the interface of quantum optics and condensed matter physics. We propose an experiment where easily detectable atomic spin flips are induced by the cantilever motion. This can be used to probe thermal oscillations of the cantilever with the atoms. At low cantilever temperatures, as realized in recent experiments, the backaction of the atoms onto the cantilever is significant and the system represents a mechanical analog of cavity quantum electrodynamics. With high but realistic cantilever quality factors, the strong coupling regime can be reached, either with single atoms or collectively with Bose-Einstein condensates. We discuss an implementation on an atom chip.