3 papers
hep-ph2026
The Challenge of Detecting Quantum Nature of Gravitational Waves
Yu Miyauchi, Hidetoshi Omiya, Atsuhisa Ota +2
We investigate whether squeezing can provide an observable signature of quantum gravitational waves. Because a realistic detector couples only to a particular wave-packet mode, squ…
gr-qc2026
Gravitationally Induced Quantum Decoherence of Macroscopic Objects
Hiroki Takeda, Shogo Tomizuka, Takahiro Tanaka
We formulate the gravitationally induced quantum decoherence of a massive object prepared in a spatial superposition. Starting from linearized gravity coupled to a massive system p…
gr-qc2025
Quantum decoherence of gravitational waves
Hiroki Takeda, Takahiro Tanaka
The quantum nature of gravity remains an open question in fundamental physics, lacking experimental verification. Gravitational waves (GWs) provide a potential avenue for detecting…