Relaxation of experimental parameters in a quantum-gravity-induced entanglement of masses protocol using electromagnetic screening

M Schut, A Grinin, A Dana, S Bose, A Geraci… - Physical Review …, 2023 - APS
To test the quantum nature of gravity in a laboratory requires witnessing the entanglement
between the two test masses (nanocrystals) solely due to the gravitational interaction kept at …

Decoherence of a matter-wave interferometer due to dipole-dipole interactions

P Fragolino, M Schut, M Toroš, S Bose, A Mazumdar - Physical Review A, 2024 - APS
Matter-wave interferometry with nanoparticles will enable the development of quantum
sensors capable of probing ultraweak fields with unprecedented applications for …

Gravitational decoherence by the apparatus in the quantum-gravity-induced entanglement of masses

F Gunnink, A Mazumdar, M Schut… - Classical and Quantum …, 2023 - iopscience.iop.org
One of the outstanding questions in modern physics is how to test whether gravity is
classical or quantum in a laboratory. Recently there has been a proposal to test the quantum …

Dephasing due to electromagnetic interactions in spatial qubits

M Schut, H Bosma, MZ Wu, M Toroš, S Bose… - Physical Review A, 2024 - APS
Matter-wave interferometers with microparticles will enable the next generation of quantum
sensors to probe minute quantum phase information. Therefore, estimating the loss of …

Quantum signature of gravity in optomechanical systems with conditional measurement

D Miki, A Matsumura, K Yamamoto - Physical Review D, 2024 - APS
We investigate the quantum signature of gravity in optomechanical systems under quantum
control. We analyze the gravity-induced entanglement and squeezing in mechanical mirrors …

Testing whether gravity acts as a quantum entity when measured

F Hanif, D Das, J Halliwell, D Home, A Mazumdar… - Physical Review Letters, 2024 - APS
A defining signature of classical systems is “in principle measurability” without disturbance: a
feature manifestly violated by quantum systems. We describe a multi-interferometer …

Phonon-induced contrast in a matter-wave interferometer

Q Xiang, R Zhou, S Bose, A Mazumdar - Physical Review A, 2024 - APS
Utilizing the Stern-Gerlach apparatus to create matter-wave superposition states is a long-
sought-after goal, not only due to its potential applications in the quantum realm, but also …

Gyroscopic stability for nanoparticles in Stern-Gerlach Interferometry and spin contrast

T Zhou, S Bose, A Mazumdar - arXiv preprint arXiv:2407.15813, 2024 - arxiv.org
Creating macroscopic spatial quantum superposition with a nanoparticle has a multitude of
applications, ranging from testing the foundations of quantum mechanics, matter-wave …

Spin-Dependent Force and Inverted Harmonic Potential for Rapid Creation of Macroscopic Quantum Superpositions

R Zhou, Q Xiang, A Mazumdar - arXiv preprint arXiv:2408.11909, 2024 - arxiv.org
Creating macroscopic spatial superposition states is crucial for investigating matter-wave
interferometry and advancing quantum sensor technology. Currently, two potential methods …

Testing the braneworld theory with identical particles

I Stojiljković, D Đorđević, A Gočanin, D Gočanin - Physical Review D, 2023 - APS
Various attempts to surpass the theory of general relativity start from the assumption that
spacetime is not a four-dimensional but rather a higher-dimensional manifold. Among …