Quantum metrology to probe atomic parity nonconservation

Details Quantum metrology to probe atomic parity nonconservation Quantum metrology to probe atomic parity nonconservation

2010-10-04

arxiv.org/abs/1010.0564v1

Phys.Rev.A82:050101,2010

Physics

Quantum Physics

4 pages, 3 figures

Scientific paper

10.1103/PhysRevA.82.050101

An entangled state prepared in a decoherence free sub-space together with a Ramsey type measurement can probe parity violation in heavy alkali ions like Ba+ or Ra+. Here we propose an experiment with Ba+ as an example to measure the small parity violating effect in this system. It has been shown that a measurement on a maximally correlated system will reduce the uncertainty as compared to that on a single ion measurement. In addition it also provides a feasible solution to measure the nuclear spin dependent part of the total parity violating light shift in an ionic system which has so far not been addressed.

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