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PreprintCC BY-SA 4.0arXiv

Estimating the ground-state hyperfine shifts of group-1 atoms due to long-range collisions, static electric fields, and nearby surfaces

  • B. H. McGuyer
  • K. Choksi
  • N. VonHeeder
  • B. A. Olsen
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Abstract

Many interactions perturb (or shift) the hyperfine coupling in group-1 atoms between their nuclear spin and single valence electron. Previous work provided an approach to estimate this shift for non-reactive collisions with other atoms or molecules at long range, and extended it to estimate the shift from static electric fields. We further extend this approach to estimate the shift due to a nearby conductive surface, and improve all these estimates by numerically computing updated values for the characteristic energies they use. We investigate how to estimate these energies by scaling arguments, and suggest how to adapt the approach to other applications. The results are relevant to pressure shifts in vapor cells, Stark shifts, and wall shifts in nanoscale devices.

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Cite

BibTeXRIS
BibTeX
@misc{mcguyer2026estimating,
  title = {{Estimating the ground-state hyperfine shifts of group-1 atoms due to long-range collisions, static electric fields, and nearby surfaces}},
  author = {B. H. McGuyer and K. Choksi and N. VonHeeder and B. A. Olsen},
  howpublished = {arXiv},
  year = {2026},
  month = aug,
  doi = {10.48550/arxiv.2608.28841},
  eprint = {2608.28841},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2608.28841},
  note = {CC BY-SA 4.0},
}
RIS
TY  - UNPB
TI  - Estimating the ground-state hyperfine shifts of group-1 atoms due to long-range collisions, static electric fields, and nearby surfaces
AU  - B. H. McGuyer
AU  - K. Choksi
AU  - N. VonHeeder
AU  - B. A. Olsen
PY  - 2026
DA  - 2026/08/28
PB  - arXiv
DO  - 10.48550/arxiv.2608.28841
UR  - https://arxiv.org/abs/2608.28841
AB  - Many interactions perturb (or shift) the hyperfine coupling in group-1 atoms between their nuclear spin and single valence electron. Previous work provided an approach to estimate this shift for non-reactive collisions with other atoms or molecules at long range, and extended it to estimate the shift from static electric fields. We further extend this approach to estimate the shift due to a nearby conductive surface, and improve all these estimates by numerically computing updated values for the characteristic energies they use. We investigate how to estimate these energies by scaling arguments, and suggest how to adapt the approach to other applications. The results are relevant to pressure shifts in vapor cells, Stark shifts, and wall shifts in nanoscale devices.
ER  -