Massive quantum systems as interfaces of quantum mechanics and gravity

S Bose, I Fuentes, AA Geraci, SM Khan… - arxiv preprint arxiv …, 2023 - arxiv.org
The traditional view from particle physics is that quantum gravity effects should only become
detectable at extremely high energies and small length scales. Due to the significant …

Mechanism for the quantum natured gravitons to entangle masses

S Bose, A Mazumdar, M Schut, M Toroš - Physical Review D, 2022 - APS
This paper points out the importance of the quantum nature of the gravitational interaction
with matter in a linearized theory of quantum gravity induced entanglement of masses. We …

Gravitational optomechanics: Photon-matter entanglement via graviton exchange

D Biswas, S Bose, A Mazumdar, M Toroš - Physical Review D, 2023 - APS
The deflection of light in the gravitational field of the Sun is one of the most fundamental
consequences for general relativity as well as one of its classical tests first performed by …

Improving resilience of quantum-gravity-induced entanglement of masses to decoherence using three superpositions

M Schut, J Tilly, RJ Marshman, S Bose, A Mazumdar - Physical Review A, 2022 - APS
Recently, a protocol called quantum-gravity-induced entanglement of masses (QGEM) that
aims to test the quantum nature of gravity using the entanglement of two qubits was …

Catapulting towards massive and large spatial quantum superposition

R Zhou, RJ Marshman, S Bose, A Mazumdar - Physical Review Research, 2022 - APS
A large spatial quantum superposition of size O (1–10) μ m for mass m∼ 10− 17–10− 14 kg
is required to probe the foundations of quantum mechanics and test the classical and …

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 …

Quantum entanglement of masses with nonlocal gravitational interaction

UK Beckering Vinckers, Á De La Cruz-Dombriz… - Physical Review D, 2023 - APS
We examine the quantum gravitational entanglement of two test masses in the context of
linearized general relativity with specific nonlocal interaction with matter. To accomplish this …

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 …

Emulating two qubits with a four-level transmon qudit for variational quantum algorithms

S Cao, M Bakr, G Campanaro… - Quantum Science …, 2024 - iopscience.iop.org
Using quantum systems with more than two levels, or qudits, can scale the computational
space of quantum processors more efficiently than using qubits, which may offer an easier …

Probing massless and massive gravitons via entanglement in a warped extra dimension

SG Elahi, A Mazumdar - Physical Review D, 2023 - APS
Gravity's quantum nature can be probed in a laboratory by witnessing the entanglement
between the two quantum systems, which cannot be possible if gravity is a classical entity. In …