Ion Trap Simulations of Quantum Fields in an Expanding Universe

Details Ion Trap Simulations of Quantum Fields in an Expanding Universe Ion Trap Simulations of Quantum Fields in an Expanding Universe

Jun 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005phrvl..94v0401a&link_type=abstract

Physical Review Letters, vol. 94, Issue 22, id. 220401

Physics

26

Entanglement And Quantum Nonlocality, Quantum Information, Quantum Field Theory In Curved Spacetime, Optical Cooling Of Atoms, Trapping

Scientific paper

We propose an experiment in which the phonon excitation of ion(s) in a trap, with a trap frequency exponentially modulated at rate κ, exhibits a thermal spectrum with an “Unruh” temperature given by kBT=ℏκ. We discuss the similarities of this experiment to the response of detectors in a de Sitter universe and the usual Unruh effect for uniformly accelerated detectors. We demonstrate a new Unruh effect for detectors that respond to antinormally ordered moments using the ion’s first blue sideband transition.

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