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 …

[HTML][HTML] Quantum physics in space

A Belenchia, M Carlesso, Ö Bayraktar, D Dequal… - Physics Reports, 2022 - Elsevier
Advances in quantum technologies are giving rise to a revolution in the way fundamental
physics questions are explored at the empirical level. At the same time, they are the seeds …

Search for Spontaneous Radiation from Wave Function Collapse in the Majorana Demonstrator

IJ Arnquist, FT Avignone III, AS Barabash, CJ Barton… - Physical Review Letters, 2022 - APS
The Majorana Demonstrator neutrinoless double-beta decay experiment comprises a 44 kg
(30 kg enriched in Ge 76) array of p-type, point-contact germanium detectors. With its …

Quantum experiments with microscale particles

J Millen, BA Stickler - Contemporary Physics, 2020 - Taylor & Francis
Quantum theory is incredibly successful, explaining the microscopic world with great
accuracy, from the behaviour of subatomic particles to chemical reactions to solid-state …

Narrowing the parameter space of collapse models with ultracold layered force sensors

A Vinante, M Carlesso, A Bassi, A Chiasera, S Varas… - Physical Review Letters, 2020 - APS
Despite the unquestionable empirical success of quantum theory, witnessed by the recent
uprising of quantum technologies, the debate on how to reconcile the theory with the …

Room temperature test of the continuous spontaneous localization model using a levitated micro-oscillator

D Zheng, Y Leng, X Kong, R Li, Z Wang, X Luo… - Physical Review …, 2020 - APS
The continuous spontaneous localization (CSL) model predicts a tiny break of energy
conservation via a weak stochastic force acting on physical systems, which triggers the …

X-Ray Emission from Atomic Systems Can Distinguish between Prevailing Dynamical Wave-Function Collapse Models

K Piscicchia, S Donadi, S Manti, A Bassi… - Physical Review Letters, 2024 - APS
In this work the spontaneous electromagnetic radiation from atomic systems, induced by
dynamical wave-function collapse, is investigated in the x-ray domain. Strong departures are …

Noninterferometric rotational test of the continuous spontaneous localization model: Enhancement of the collapse noise through shape optimization

DGA Altamura, M Carlesso, S Donadi, A Bassi - Physical Review A, 2024 - APS
The continuous spontaneous localization (CSL) model is the most studied among collapse
models, which describes the breakdown of the superposition principle for macroscopic …

On the effectiveness of the collapse in the Diósi–Penrose model

L Figurato, M Dirindin, JL Gaona-Reyes… - New Journal of …, 2024 - iopscience.iop.org
The possibility that gravity plays a role in the collapse of the quantum wave function has
been considered in the literature, and it is of relevance not only because it would provide a …

Testing continuous spontaneous localization with Fermi liquids

SL Adler, A Bassi, M Carlesso, A Vinante - Physical Review D, 2019 - APS
Collapse models describe phenomenologically the quantum-to-classical transition by
adding suitable nonlinear and stochastic terms to the Schrödinger equation, thus (slightly) …