Massive quantum systems as interfaces of quantum mechanics and gravity

S Bose, I Fuentes, AA Geraci, SM Khan, S Qvarfort… - Reviews of Modern …, 2025 - APS
The traditional view from particle physics is that quantum-gravity effects should become
detectable only at extremely high energies and small length scales. Owing to the significant …

Graph states of atomic ensembles engineered by photon-mediated entanglement

ES Cooper, P Kunkel, A Periwal, M Schleier-Smith - Nature Physics, 2024 - nature.com
Graph states are a broad family of entangled quantum states, each defined by a graph
composed of edges representing the correlations between subsystems. Such states …

Cavity-mediated long-range interactions in levitated optomechanics

J Vijayan, J Piotrowski, C Gonzalez-Ballestero… - Nature Physics, 2024 - nature.com
The ability to engineer cavity-mediated interactions has emerged as a powerful tool for the
generation of non-local correlations and the investigation of non-equilibrium phenomena in …

[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 …

Simultaneous cavity cooling of all six degrees of freedom of a levitated nanoparticle

A Pontin, H Fu, M Toroš, TS Monteiro, PF Barker - Nature Physics, 2023 - nature.com
Controlling the motional degrees of isolated, single nanoparticles trapped within optical
fields in a high vacuum are seen as ideal candidates for exploring the limits of quantum …

Ultrahigh quality factor of a levitated nanomechanical oscillator

L Dania, DS Bykov, F Goschin, M Teller, A Kassid… - Physical Review Letters, 2024 - APS
A levitated nanomechanical oscillator under ultrahigh vacuum is highly isolated from its
environment. It has been predicted that this isolation leads to very low mechanical …

PT-like phase transition and limit cycle oscillations in non-reciprocally coupled optomechanical oscillators levitated in vacuum

V Liška, T Zemánková, P Jákl, M Šiler, SH Simpson… - Nature Physics, 2024 - nature.com
Nanoparticles levitated in an optical trap provide a versatile platform to study mechanical
oscillators in a controlled environment with tuneable parameters. Recently, it has become …

Macroscopic quantum superpositions via dynamics in a wide double-well potential

M Roda-Llordes, A Riera-Campeny, D Candoli… - Physical Review Letters, 2024 - APS
We present an experimental proposal for the rapid preparation of the center of mass of a
levitated particle in a macroscopic quantum state, that is a state delocalized over a length …

Vacuum levitation and motion control on chip

B Melo, M T. Cuairan, GFM Tomassi, N Meyer… - Nature …, 2024 - nature.com
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 …

A squeezed mechanical oscillator with millisecond quantum decoherence

A Youssefi, S Kono, M Chegnizadeh, TJ Kippenberg - Nature Physics, 2023 - nature.com
An enduring challenge in constructing mechanical-oscillator-based hybrid quantum systems
is to ensure engineered coupling to an auxiliary degree of freedom and maintain good …