Testing Gravitationally-Induced-Entanglement with Massive Particles and Quantum Clocks

@misc{tobar2026testing,
  title = {{Testing Gravitationally-Induced-Entanglement with Massive Particles and Quantum Clocks}},
  author = {Germain Tobar and Markus Aspelmeyer and Magdalena Zych},
  howpublished = {arXiv},
  year = {2026},
  month = nov,
  doi = {10.48550/arxiv.2611.08313},
  eprint = {2611.08313},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2611.08313},
}

TY  - UNPB
TI  - Testing Gravitationally-Induced-Entanglement with Massive Particles and Quantum Clocks
AU  - Germain Tobar
AU  - Markus Aspelmeyer
AU  - Magdalena Zych
PY  - 2026
DA  - 2026/11/05
PB  - arXiv
DO  - 10.48550/arxiv.2611.08313
UR  - https://arxiv.org/abs/2611.08313
AB  - We present an experimental proposal to test whether gravity can entangle a levitated particle with an array of quantum clocks. By harnessing the collective interaction between a micrometer-scale particle and an array of ultra-precise nuclear clocks, our scheme offers a conceivable path to observing gravitationally mediated entanglement with quantum clocks in the laboratory. Crucially, this setup will probe a genuinely relativistic effect one that requires the contribution of internal clock energy to active gravitational mass and cannot arise from the Newtonian interaction between fixed masses. Therefore, observing this entanglement would provide evidence for the quantised nature of active gravitational mass -- which has not been tested in any prior experiment -- rather than for spatial coherence of fixed masses,which is routinely tested in matterwave interferometers
ER  -