Macroscopic quantum states: Measures, fragility, and implementations

F Fröwis, P Sekatski, W Dür, N Gisin… - Reviews of Modern Physics, 2018 - APS
Large-scale quantum effects have always played an important role in the foundations of
quantum theory. With recent experimental progress and the aspiration for quantum …

[HTML][HTML] Quantum non-Gaussian optomechanics and electromechanics

AA Rakhubovsky, DW Moore, R Filip - Progress in Quantum Electronics, 2024 - Elsevier
Mechanical systems prepared in quantum non-Gaussian states constitute a new advanced
class of phenomena breaking the laws of classical physics. Specifically, such mechanical …

Catapulting towards massive and large spatial quantum superposition

R Zhou, RJ Marshman, S Bose, A Mazumdar - Physical Review Research, 2022 - APS
A large spatial quantum superposition of size O (1–10) μ m for mass m∼ 10− 17–10− 14 kg
is required to probe the foundations of quantum mechanics and test the classical and …

Intensive cavity-magnomechanical cooling of a levitated macromagnet

A Kani, B Sarma, J Twamley - Physical Review Letters, 2022 - APS
We describe microwave cavity-magnomechanical center-of-mass cooling of a levitated
magnetic sphere. The standing magnetic component of the electromagnetic wave within a …

Constructing nano-object quantum superpositions with a Stern-Gerlach interferometer

RJ Marshman, A Mazumdar, R Folman, S Bose - Physical Review Research, 2022 - APS
Probing quantum mechanics and quantum aspects of general relativity, along with the
sensing and constraining of classical gravity, can all be enabled by unprecedented spatial …

Mass-independent scheme for enhancing spatial quantum superpositions

R Zhou, RJ Marshman, S Bose, A Mazumdar - Physical Review A, 2023 - APS
Placing a large mass in a large spatial superposition, such as a Schrödinger cat state, is a
significant and important challenge. In particular, the large spatial superposition [O (10–100) …

Optoacoustic entanglement in a continuous Brillouin-active solid state system

C Zhu, C Genes, B Stiller - Physical Review Letters, 2024 - APS
Entanglement in hybrid quantum systems comprised of fundamentally different degrees of
freedom, such as light and mechanics, is of interest for a wide range of applications in …

Cooling of macroscopic mechanical resonators in hybrid atom-optomechanical systems

X Chen, YC Liu, P Peng, Y Zhi, YF Xiao - Physical Review A, 2015 - APS
Cooling macroscopic objects is of importance for both fundamental and applied physics.
Here we study the optomechanical cooling in a hybrid system which consists of a cloud of …

Necessary and sufficient conditions for macroscopic realism from quantum mechanics

L Clemente, J Kofler - Physical Review A, 2015 - APS
Macroscopic realism, the classical world view that macroscopic objects exist independently
of and are not influenced by measurements, is usually tested using Leggett-Garg …

Intracavity‐Squeezed Optomechanical Cooling

JH Gan, YC Liu, C Lu, X Wang… - Laser & Photonics …, 2019 - Wiley Online Library
Quantum ground‐state cooling of macroscopic mechanical resonators is of essential
importance to both fundamental physics and applied science. The conventional method of …