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Open Quantum Systems Decoherence

Arbitrary-Velocity Volkov Wavepackets

arXiv

Authors: D. Ramsey, J. McKeown, J. P. Palastro

Year

2026

Paper ID

48928

Status

Preprint

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~2 min

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Abstract

The evolution of a charged lepton in the field of an electromagnetic plane wave can be described as a superposition of Volkov states. Here we demonstrate that imposing specific momentum correlations among Volkov states produces a spatiotemporally structured wavepacket whose probability-density peak travels at an arbitrary, tailored velocity. This velocity can be chosen independently of both the field amplitude and the velocity expectation value. The imposed momentum correlations modify the expectation-value trajectory, providing a measurable signature of the arbitrary velocity within a physical observable.

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The evolution of a charged lepton in the field of an electromagnetic plane wave can be described as a superposition of Volkov states.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2604.11503 [2] arXiv https://arxiv.org/abs/2604.11503 [3] Publisher https://arxiv.org/abs/2604.11503

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External citation index: OpenAlex citation signal • updated 2026-06-14 03:12:14

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