[HTML][HTML] Vacuum levitation and motion control on chip
By isolating from the environment and precisely controlling mesoscopic objects, levitation in
vacuum has evolved into a versatile technique that has already benefited diverse scientific …
vacuum has evolved into a versatile technique that has already benefited diverse scientific …
State expansion of a levitated nanoparticle in a dark harmonic potential
We spatially expand and subsequently contract the motional thermal state of a levitated
nanoparticle using a hybrid trapping scheme. The particle's center-of-mass motion is …
nanoparticle using a hybrid trapping scheme. The particle's center-of-mass motion is …
Mechanical detection of nuclear decays
We report the detection of individual nuclear α decays through the mechanical recoil of the
entire micron-sized particle in which the decaying nuclei are embedded. Momentum …
entire micron-sized particle in which the decaying nuclei are embedded. Momentum …
[HTML][HTML] Quantum non-Gaussian optomechanics and electromechanics
Mechanical systems prepared in quantum non-Gaussian states constitute a new advanced
class of phenomena breaking the laws of classical physics. Specifically, such mechanical …
class of phenomena breaking the laws of classical physics. Specifically, such mechanical …
Quadrature squeezing enhances Wigner negativity in a mechanical Duffing oscillator
Generating macroscopic nonclassical quantum states is a long-standing challenge in
physics. Anharmonic dynamics is an essential ingredient to generate these states, but for …
physics. Anharmonic dynamics is an essential ingredient to generate these states, but for …
Generation of classical non-Gaussian distributions by squeezing a thermal state into non-linear motion of levitated optomechanics
R Muffato, T Georgescu, J Homans, T Guerreiro… - arXiv preprint arXiv …, 2024 - arxiv.org
We report on an experiment achieving the dynamical generation of non-Gaussian states of
motion of a levitated optomechanical system. We access intrinsic Duffing-like non-linearities …
motion of a levitated optomechanical system. We access intrinsic Duffing-like non-linearities …
Quantum theory of light interaction with a Lorenz-Mie particle: optical detection and three-dimensional ground-state cooling
P Maurer, C Gonzalez-Ballestero, O Romero-Isart - Physical Review A, 2023 - APS
We analyze theoretically the motional quantum dynamics of a levitated dielectric sphere
interacting with the quantum electromagnetic field beyond the point-dipole approximation …
interacting with the quantum electromagnetic field beyond the point-dipole approximation …
Numerical simulation of large-scale nonlinear open quantum mechanics
We introduce a method to solve nonlinear open quantum dynamics of a particle in situations
where its state undergoes significant expansion in phase space while generating small …
where its state undergoes significant expansion in phase space while generating small …
[HTML][HTML] Towards the generation of mechanical Kerr-cats: awakening the perturbative quantum Moyal corrections to classical motion
RG Cortiñas - New Journal of Physics, 2024 - iopscience.iop.org
The quantum to classical transition is determined by the interplay of a trio of parameters:
dissipation, nonlinearity, and macroscopicity. Why is nonlinearity needed to see quantum …
dissipation, nonlinearity, and macroscopicity. Why is nonlinearity needed to see quantum …
Acceleration Noise Induced Decoherence in Stern-Gerlach Interferometers for Gravity Experiments
MZ Wu - arXiv preprint arXiv:2406.10832, 2024 - arxiv.org
Stern-Gerlach interferometer (SGI) is a kind of matter-wave interferometer driven by
magnetic field and has been proposed for many gravity experiments. Acceleration noises …
magnetic field and has been proposed for many gravity experiments. Acceleration noises …