Laser Cooling of Nuclear Magnons
arXiv:2302.09615 · doi:10.1103/PhysRevLett.130.063602
Abstract
The initialization of nuclear spin to its ground state is challenging due to its small energy scale compared with thermal energy, even at cryogenic temperature. In this Letter, we propose an opto-nuclear quadrupolar effect, whereby two-color optical photons can efficiently interact with nuclear spins. Leveraging such an optical interface, we demonstrate that nuclear magnons, the collective excitations of nuclear spin ensemble, can be cooled down optically. Under feasible experimental conditions, laser cooling can suppress the population and entropy of nuclear magnons by more than two orders of magnitude, which could facilitate the application of nuclear spins in quantum information science.
13 pages, 3 figures
References in corpus (10)
- Quantum ESPRESSO: a modular and open-source software project for quantum simulations of materials
- Advanced capabilities for materials modelling with Quantum ESPRESSO
- Quantum Theory of Cavity-Assisted Sideband Cooling of Mechanical Motion
- Theory of ground state cooling of a mechanical oscillator using dynamical back-action
- Room temperature quantum bit storage exceeding 39 minutes using ionized donors in 28-silicon
- Nonlinear spectroscopy of photons bound to one atom
- Quantum Interface of an Electron and a Nuclear Ensemble
- Cavity-Assisted Back Action Cooling of Mechanical Resonators
- Two-photon gateway in one-atom cavity quantum electrodynamics
- 3D Cavity quantum electrodynamics with a rare-earth spin ensemble