Proposal for measurment of harmonic oscillator Berry phase in ion traps
I. Fuentes-Guridi, S. Bose, V. Vedral
Abstract
We propose a scheme for measuring the Berry phase in the vibrational degree of freedom of a trapped ion. Starting from the ion in a vibrational coherent state we show how to reverse the sign of the coherent state amplitude by using a purely geometric phase. This can then be detected through the internal degrees of freedom of the ion. Our method can be applied to preparation of Schrödinger cat states.
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