Dynamical local and non-local Casimir atomic phases
arXiv:1401.7771 · doi:10.1103/PhysRevA.89.022516
Abstract
We develop an open-system dynamical theory of the Casimir interaction between coherent atomic waves and a material surface. The system --- the external atomic waves --- disturbs the environment --- the electromagnetic field and the atomic dipole degrees of freedom --- in a non- local manner by leaving footprints on distinct paths of the atom interferometer. This induces a non-local dynamical phase depending simultaneously on two distinct paths, beyond usual atom-optics methods, and comparable to the local dynamical phase corrections. Non-local and local atomic phase coherences are thus equally important to capture the interplay between the external atomic motion and the Casimir interaction. Such dynamical phases are obtained for finite-width wavepackets by developing a diagrammatic expansion of the disturbed environment quantum state.
12 pages, 2 Figures. Final version accepted for publication in Phys. Rev. A
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- Quantum Vacuum Sagnac Effect
- Surface-modified Wannier-Stark states in a 1D optical lattice
- Geometric phase corrections on a moving particle in front of a dielectric mirror
- Dynamical Casimir effects with atoms: from the emission of photon pairs to geometric phases
- Decoherence and collective effects in critical media
- Decoherence by spontaneous emission: a single-atom analog of superradiance