Measurement-based cooling of a nonlinear mechanical resonator
- URL: http://arxiv.org/abs/2003.11168v3
- Date: Mon, 8 Jun 2020 23:26:36 GMT
- Title: Measurement-based cooling of a nonlinear mechanical resonator
- Authors: Ricardo Puebla, Obinna Abah, Mauro Paternostro
- Abstract summary: We propose two measurement-based schemes to cool a nonlinear mechanical resonator down to energies close to that of its ground state.
The protocols rely on projective measurements of a spin degree of freedom, which interacts with the resonator through a Jaynes-Cummings interaction.
We show the performance of these cooling schemes, that can be either -- i.e. built by repeating a sequence of dynamical evolutions followed by projective measurements -- or single-shot.
- Score: 0.0
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: We propose two measurement-based schemes to cool a nonlinear mechanical
resonator down to energies close to that of its ground state. The protocols
rely on projective measurements of a spin degree of freedom, which interacts
with the resonator through a Jaynes-Cummings interaction. We show the
performance of these cooling schemes, that can be either concatenated -- i.e.
built by repeating a sequence of dynamical evolutions followed by projective
measurements -- or single-shot. We characterize the performance of both cooling
schemes with numerical simulations, and pinpoint the effects of decoherence and
noise mechanisms. Due to the ubiquity and experimental relevance of the
Jaynes-Cummings model, we argue that our results can be applied in a variety of
experimental setups.
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