Proposal for a quantum delayed-choice experiment with a spin-mechanical setup
At a Glance
Section titled āAt a Glanceā| Metadata | Details |
|---|---|
| Publication Date | 2016-10-27 |
| Journal | Physical review. A/Physical review, A |
| Authors | Fuli Li, Fuli Li |
| Institutions | Kavli Institute for Theoretical Sciences, Xiāan Jiaotong University |
| Citations | 4 |
Abstract
Section titled āAbstractāWe describe an experimentally feasible protocol for performing a variant of the quantum delayed-choice experiment with massive objects. In this scheme, a single nitrogen-vacancy (NV) center in diamond driven by microwave fields is dispersively coupled to a massive mechanical resonator. A double-pulse Ramsey interferometer can be implemented with the spin-mechanical setup, where the second Ramsey microwave pulse drives the spin conditioned on the number states of the resonator. The probability for finding the NV center in definite spin states exhibits interference fringes when the mechanical resonator is prepared in a specific number state. On the other hand, the interference is destroyed if the mechanical resonator stays in some other number states. The wavelike and particlelike behavior of the NV spin can be superposed by preparing the mechanical resonator in a superposition of two distinct number states. Thus a quantum version of Wheelerās delayed-choice experiment could be implemented, allowing of fundamental tests of quantum mechanics on a macroscopic scale.
Tech Support
Section titled āTech SupportāOriginal Source
Section titled āOriginal SourceāReferences
Section titled āReferencesā- 1984 - Quantum Theory and Measurement
- 1997 - Quantum Optics [Crossref]
- 1978 - Mathematical Foundations of Quantum Mechanics
- 1984 - Quantum Theory and Measurement
- 2009 - Compendium of Quantum Physics