Mesoscopic Spin-Boson Models of Trapped Ions

Details Mesoscopic Spin-Boson Models of Trapped Ions Mesoscopic Spin-Boson Models of Trapped Ions

2007-10-26

arxiv.org/abs/0710.5145v2

Phys. Rev. A (RC) 78, 010101 (2008)

Physics

Quantum Physics

4.4 pages, 5 figures

Scientific paper

10.1103/PhysRevA.78.010101

Trapped ions arranged in Coulomb crystals provide us with the elements to study the physics of a single spin coupled to a boson bath. In this work we show that optical forces allow us to realize a variety of spin-boson models, depending on the crystal geometry and the laser configuration. We study in detail the Ohmic case, which can be implemented by illuminating a single ion with a travelling wave. The mesoscopic character of the phonon bath in trapped ions induces new effects like the appearance of quantum revivals in the spin evolution.

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