Spin-Controlled Quantum Interference of Levitated Nanorotors
At a Glance
Section titled āAt a Glanceā| Metadata | Details |
|---|---|
| Publication Date | 2022-03-22 |
| Journal | arXiv (Cornell University) |
| Authors | Cosimo C. Rusconi, M. Perdriat, G. HĆ©tet, Oriol RomeroāIsart, Benjamin A. Stickler |
| Institutions | Munich Center for Quantum Science and Technology, UniversitƤt Innsbruck |
| Citations | 1 |
Abstract
Section titled āAbstractāWe describe how to prepare an electrically levitated nanodiamond in a superposition of orientations via microwave driving of a single embedded nitrogen-vacancy (NV) center. Suitably aligning the magnetic field with the NV center can serve to reach the regime of ultrastrong coupling between the NV and the diamond rotation, enabling single-spin control of the particleās three-dimensional orientation. We derive the effective spin-oscillator Hamiltonian for small amplitude rotation about the equilibrium configuration and develop a protocol to create and observe quantum superpositions of the particle orientation. We discuss the impact of decoherence and argue that our proposal can be realistically implemented with near-future technology.