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 …

Micrometer-size spatial superpositions for the QGEM protocol via screening and trapping

M Schut, A Geraci, S Bose, A Mazumdar - Physical Review Research, 2024 - APS
The quantum gravity-induced entanglement of masses (QGEM) protocol for testing quantum
gravity using entanglement witnessing utilizes the creation of spatial quantum …

Distinguishing Jordan and Einstein frames in gravity through entanglement

S Chakraborty, A Mazumdar, R Pradhan - Physical Review D, 2023 - APS
In general relativity, the use of conformal transformation is ubiquitous and leads to two
different frames of reference, known as the Jordan and the Einstein frames. Typically, the …

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 …

Quantum-information methods for quantum gravity laboratory-based tests

C Marletto, V Vedral - arXiv preprint arXiv:2410.07262, 2024 - arxiv.org
Quantum theory and general relativity are about one century old. At present, they are
considered the best available explanations of physical reality, and they have been so far …

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 …

Quantum effects in gravity beyond the Newton potential from a delocalised quantum source

LQ Chen, F Giacomini - arXiv preprint arXiv:2402.10288, 2024 - arxiv.org
Recent progress in table-top experiments offers the opportunity to show for the first time that
gravity is not compatible with a classical description. In all current experimental proposals …

Exponential Expansion of Massive Schr\"{o} dinger Cats for Sensing and Entanglement

L Braccini, A Serafini, S Bose - arXiv preprint arXiv:2408.11930, 2024 - arxiv.org
Schr\"{o} dinger cat states of levitated masses have several applications in sensing and,
offer an avenue to explore the fundamental nature--classical vs nonclassical--of gravity, eg …

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 …