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Open Quantum Systems Decoherence

Rotational Quantum Friction via Spontaneous Decay

arXiv
Authors: Nicolas Schüler, O. J. Franca, Michael Vaz, Hervé Bercegol, Stefan Yoshi Buhmann

Year

2026

Paper ID

773

Status

Preprint

Abstract Read

~2 min

Abstract Words

116

Citations

N/A

Abstract

A fascinating effect belonging to the field of vacuum forces and fluctuations is that of quantum friction. It refers to the prediction of a dissipative force acting on a moving object due to the quantum vacuum field. In this work, we investigate rotational quantum friction where a diatomic polar molecule rotates around its own center of mass in free space. We quantize the rotational motion and investigate the resulting dissipation due to spontaneous decay. We find in the Markovian regime that a friction torque propto Ω3 persists even for zero temperature, and in agreement with the classical result in the limit of large rotational quantum number l. Within the non-Markovian short-time regime we find a friction proptoΩ.

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  • This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
  • It adds a 2026 reference point for readers tracking recent quantum research.
  • A fascinating effect belonging to the field of vacuum forces and fluctuations is that of quantum friction.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2602.14992 [2] arXiv https://arxiv.org/abs/2602.14992 [3] Publisher https://arxiv.org/abs/2602.14992

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