Quantum decoherence

M Schlosshauer - Physics Reports, 2019 - Elsevier
Quantum decoherence plays a pivotal role in the dynamical description of the quantum-to-
classical transition and is the main impediment to the realization of devices for quantum …

Present status and future challenges of non-interferometric tests of collapse models

M Carlesso, S Donadi, L Ferialdi, M Paternostro… - Nature Physics, 2022 - nature.com
The superposition principle is the cornerstone of quantum mechanics, leading to a variety of
genuinely quantum effects. Whether the principle applies also to macroscopic systems or …

Matter-wave atomic gradiometer interferometric sensor (MAGIS-100)

M Abe, P Adamson, M Borcean… - Quantum Science …, 2021 - iopscience.iop.org
MAGIS-100 is a next-generation quantum sensor under construction at Fermilab that aims to
explore fundamental physics with atom interferometry over a 100 m baseline. This novel …

Quantum superposition of molecules beyond 25 kDa

YY Fein, P Geyer, P Zwick, F Kiałka, S Pedalino… - Nature Physics, 2019 - nature.com
Matter-wave interference experiments provide a direct confirmation of the quantum
superposition principle, a hallmark of quantum theory, and thereby constrain possible …

Remote generation of magnon Schrödinger cat state via magnon-photon entanglement

FX Sun, SS Zheng, Y Xiao, Q Gong, Q He, K Xia - Physical Review Letters, 2021 - APS
The magnon cat state represents a macroscopic quantum superposition of collective
magnetic excitations of large number spins that not only provides fundamental tests of …

Search for new physics with atoms and molecules

MS Safronova, D Budker, D DeMille, DFJ Kimball… - Reviews of Modern …, 2018 - APS
This article reviews recent developments in tests of fundamental physics using atoms and
molecules, including the subjects of parity violation, searches for permanent electric dipole …

Optomechanics with levitated particles

J Millen, TS Monteiro, R Pettit… - Reports on Progress in …, 2020 - iopscience.iop.org
Optomechanics is concerned with the use of light to control mechanical objects. As a field, it
has been hugely successful in the production of precise and novel sensors, the …

Quantum superposition at the half-metre scale

T Kovachy, P Asenbaum, C Overstreet, CA Donnelly… - Nature, 2015 - nature.com
The quantum superposition principle allows massive particles to be delocalized over distant
positions. Though quantum mechanics has proved adept at describing the microscopic …

Creation and control of multi-phonon Fock states in a bulk acoustic-wave resonator

Y Chu, P Kharel, T Yoon, L Frunzio, PT Rakich… - Nature, 2018 - nature.com
Quantum states of mechanical motion can be important resources for quantum information,
metrology and studies of fundamental physics. Recent demonstrations of superconducting …

Zeptonewton force sensing with nanospheres in an optical lattice

G Ranjit, M Cunningham, K Casey, AA Geraci - Physical Review A, 2016 - APS
Optically trapped nanospheres in high vacuum experience little friction and hence are
promising for ultrasensitive force detection. Here we demonstrate measurement times …