Exploring the Dynamical Interplay between Mass-Energy Equivalence, Interactions, and Entanglement in an Optical Lattice Clock

verfasst von

Anjun Chu, Victor J. Martínez-Lahuerta, Maya Miklos, Kyungtae Kim, Peter Zoller, Klemens Hammerer, Jun Ye, Ana Maria Rey

Abstract

We propose protocols that probe manifestations of the mass-energy equivalence in an optical lattice clock interrogated with spin coherent and entangled quantum states. To tune and uniquely distinguish the mass-energy equivalence effects (gravitational redshift and second-order Doppler shift) in such a setting, we devise a dressing protocol using an additional nuclear spin state. We then analyze the dynamical interplay between photon-mediated interactions and gravitational redshift and show that such interplay can lead to entanglement generation and frequency synchronization dynamics. In the regime where all atomic spins synchronize, we show the synchronization time depends on the initial entanglement of the state and can be used as a proxy of its metrological gain compared to a classical state. Our work opens new possibilities for exploring the effects of general relativity on quantum coherence and entanglement in optical lattice clock experiments.

Organisationseinheit(en)

Fakultät für Mathematik und Physik

Externe Organisation(en)

University of Colorado Boulder
Austrian Academy of Sciences
Universität Innsbruck

Typ

Artikel

Journal

Physical review letters

Band

134

ISSN

0031-9007

Publikationsdatum

03.03.2025

Publikationsstatus

Veröffentlicht

Peer-reviewed

Ja

ASJC Scopus Sachgebiete

Allgemeine Physik und Astronomie

Elektronische Version(en)

https://doi.org/10.1103/PhysRevLett.134.093201 (Zugang: Geschlossen)
https://doi.org/ arXiv:2406.03804v2 (Zugang: Offen)