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Article Dans Une Revue Physical Review Letters Année : 2022

Spin-Controlled Quantum Interference of Levitated Nanorotors

Résumé

We 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 particle’s 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.

Dates et versions

hal-03630658 , version 1 (05-04-2022)

Identifiants

Citer

Cosimo C. Rusconi, Maxime Perdriat, Gabriel Hétet, Oriol Romero-Isart, Benjamin A. Stickler. Spin-Controlled Quantum Interference of Levitated Nanorotors. Physical Review Letters, 2022, 129 (9), pp.093605. ⟨10.1103/PhysRevLett.129.093605⟩. ⟨hal-03630658⟩
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