Adiabatic Mach-Zehnder interferometry on a quantized Bose-Josephson junction
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Description
We propose a scheme to achieve Mach-Zehnder interferometry using a quantized Bose-Josephson junction with a negative charging energy. The quantum adiabatic evolution through a dynamical bifurcation is used to accomplish the beam splitting and recombination. The negative charging energy ensures the existence of a path-entangled state which enhances the phase measurement precision to the Heisenberg limit. A feasible detection procedure is also presented. The scheme should be realizable...[Show more]
Collections | ANU Research Publications |
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Date published: | 2006-10-10 |
Type: | Journal article |
URI: | http://hdl.handle.net/10440/764 http://digitalcollections.anu.edu.au/handle/10440/764 |
Source: | Physical Review Letters |
DOI: | 10.1103/PhysRevLett.97.150402 |
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Li_Adiabatic2006.pdf | 254.04 kB | Adobe PDF |
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