Mechanical rotation via optical pumping of paramagnetic impurities
arXiv:1912.03524 · doi:10.1103/PhysRevB.100.235410
Abstract
Hybrid quantum systems exhibiting coupled optical, spin, and mechanical degrees of freedom can serve as a platform for sensing, or as a bus to mediate interactions between qubits with disparate energy scales. These systems are also creating opportunities to test foundational ideas in quantum mechanics, including direct observations of the quantum regime in macroscopic objects. Here, we make use of angular momentum conservation to study the dynamics of a pair of paramagnetic centers featuring different spin numbers in the presence of a properly tuned external magnetic field. We examine the interplay between optical excitation, spin evolution, and mechanical motion, and theoretically show that in the presence of continuous optical illumination, inter-spin cross-relaxation must induce rigid rotation of the host crystal. The system dynamics is robust to scattering of spin-polarized phonons, a result we build on to show this form of angular momentum transfer should be observable using state-of-the-art torsional oscillators or trapped nanoparticles.
References in corpus (31)
- The Quantum Jump Approach to Dissipative Dynamics in Quantum Optics
- Nonlinear Micromechanical Casimir Oscillator
- A subpicotesla diamond magnetometer
- Optically Levitated Nanodumbbell Torsion Balance and GHz Nanomechanical Rotor
- Angular Momentum of Phonons and Einstein-de Haas Effect
- GHz Rotation of an Optically Trapped Nanoparticle in Vacuum
- Phonon-induced spin-spin interactions in diamond nanostructures: application to spin squeezing
- Observation of the dynamic Jahn-Teller effect in the excited states of nitrogen-vacancy centers in diamond
- Torsional optomechanics of a levitated nonspherical nanoparticle
- Phonon-Induced Population Dynamics and Intersystem Crossing in Nitrogen-Vacancy Centers
- Electron spin resonance of nitrogen-vacancy centers in optically trapped nanodiamonds
- 3D optical manipulation of a single electron spin
- Free Nano-Object Ramsey Interferometry for Large Quantum Superpositions
- Optically driven ultra-stable nanomechanical rotor
- Electron spin control of optically levitated nanodiamonds in vacuum
- Angular momentum in spin-phonon processes
- Nanomechanical Detection of Itinerant Electron Spin Flip
- Spectroscopic properties of inhomogeneously broadened spin ensembles in a cavity
- Lateral Casimir force on a rotating particle near a planar surface
- Scaling Phononic Quantum Networks of Solid-State Spins with Closed Mechanical Subsystems
- Electron spin resonance from NV centers in diamonds levitating in an ion trap
- On-chip storage of broadband photonic qubits in a cavity-protected rare-earth ensemble
- Motion control and optical interrogation of a levitating single NV in vacuum
- Wide-band, nanoscale magnetic resonance spectroscopy using quantum relaxation of a single spin in diamond
- Proposal for quantum many-body simulation and torsional matter-wave interferometry with a levitated nanodiamond
- Strong Coupling between a Single NV Spin and the Rotational Mode of Diamonds Levitating in an Ion Trap
- Multi-spin-assisted optical pumping of bulk 13C nuclear spin polarization in diamond
- Ramsey interferences and spin echoes from electron spins inside a levitating macroscopic particle
- Optomechanics based on angular momentum exchange between light and matter
- Recent Advances in Mechanical Torque Studies of Small-scale Magnetism
- Decoherent time-dependent transport beyond the Landauer-Büttiker formulation: a quantum-drift alternative to quantum jumps