The Hamiltonian for an atom interacting with gravitational waves

Fuente: arXiv
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Autori principali: van Manen, Linda M., Grossardt, André
Natura: Preprint
Pubblicazione: 2026
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author van Manen, Linda M.
Grossardt, André
author_facet van Manen, Linda M.
Grossardt, André
contents Building on the relativistic Hamiltonian of Sonnleitner and Barnett arXiv:1806.00234 and its post-Newtonian extensions by Schwartz and Giuilini arXiv:1908.06929, we investigate composite atomic systems in dynamical gravitational backgrounds. Using a local inertial frame and a perturbed Minkowski metric, we derive curvature-dependent corrections to both center-of-mass and internal Hamiltonians for atoms interacting with weak gravitational waves. The resulting Hamiltonian contains distinct curvature couplings modifying the internal potential and affecting the center-of-mass dynamics. These contributions imply that internal-energy variations do not always reduce to mass renormalization and can induce genuine forces due to changes in momentum. The initial research was motivated by anomalous friction-like forces emerging in quantum optics, and clarified that the anomalous forces are mere relativistic corrections from mass-energy equivalence. Our results suggest that, with increasingly sensitive detectors, additional forces from gravitational wave interactions may become visible in future experiments.
format Preprint
id arxiv_https___arxiv_org_abs_2601_17891
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle The Hamiltonian for an atom interacting with gravitational waves
van Manen, Linda M.
Grossardt, André
General Relativity and Quantum Cosmology
Quantum Physics
Building on the relativistic Hamiltonian of Sonnleitner and Barnett arXiv:1806.00234 and its post-Newtonian extensions by Schwartz and Giuilini arXiv:1908.06929, we investigate composite atomic systems in dynamical gravitational backgrounds. Using a local inertial frame and a perturbed Minkowski metric, we derive curvature-dependent corrections to both center-of-mass and internal Hamiltonians for atoms interacting with weak gravitational waves. The resulting Hamiltonian contains distinct curvature couplings modifying the internal potential and affecting the center-of-mass dynamics. These contributions imply that internal-energy variations do not always reduce to mass renormalization and can induce genuine forces due to changes in momentum. The initial research was motivated by anomalous friction-like forces emerging in quantum optics, and clarified that the anomalous forces are mere relativistic corrections from mass-energy equivalence. Our results suggest that, with increasingly sensitive detectors, additional forces from gravitational wave interactions may become visible in future experiments.
title The Hamiltonian for an atom interacting with gravitational waves
topic General Relativity and Quantum Cosmology
Quantum Physics
url https://arxiv.org/abs/2601.17891