Effects of Lorentz-symmetry violation on the spectra of rare-earth ions in a crystal field
Abstract
Here, we demonstrate that experiments measuring the transition energies of rare-earth ions doped in crystalline lattices are sensitive to violations of local Lorentz invariance and Einstein's equivalence principle. Using the crystal field of LaCl3 as an example, we calculate the frame-dependent energy shifts of the transition frequencies between low-lying states of Ce3+, Nd3+, and Er3+ dopants in the context of the standard model extension, and show that they have high sensitivity to electron anomalies that break rotational invariance.
- Authors:
-
- Univ. of New South Wales, Sydney (Australia)
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Publication Date:
- Research Org.:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1440725
- Alternate Identifier(s):
- OSTI ID: 1223559
- Report Number(s):
- LLNL-JRNL-667776
Journal ID: ISSN 1050-2947; PLRAAN; 789341; TRN: US1900764
- Grant/Contract Number:
- AC52-07NA27344
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review A - Atomic, Molecular, and Optical Physics
- Additional Journal Information:
- Journal Volume: 92; Journal Issue: 4; Journal ID: ISSN 1050-2947
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Harabati, C., Dzuba, V. A., Flambaum, V. V., and Hohensee, M. A. Effects of Lorentz-symmetry violation on the spectra of rare-earth ions in a crystal field. United States: N. p., 2015.
Web. doi:10.1103/PhysRevA.92.040101.
Harabati, C., Dzuba, V. A., Flambaum, V. V., & Hohensee, M. A. Effects of Lorentz-symmetry violation on the spectra of rare-earth ions in a crystal field. United States. https://doi.org/10.1103/PhysRevA.92.040101
Harabati, C., Dzuba, V. A., Flambaum, V. V., and Hohensee, M. A. Wed .
"Effects of Lorentz-symmetry violation on the spectra of rare-earth ions in a crystal field". United States. https://doi.org/10.1103/PhysRevA.92.040101. https://www.osti.gov/servlets/purl/1440725.
@article{osti_1440725,
title = {Effects of Lorentz-symmetry violation on the spectra of rare-earth ions in a crystal field},
author = {Harabati, C. and Dzuba, V. A. and Flambaum, V. V. and Hohensee, M. A.},
abstractNote = {Here, we demonstrate that experiments measuring the transition energies of rare-earth ions doped in crystalline lattices are sensitive to violations of local Lorentz invariance and Einstein's equivalence principle. Using the crystal field of LaCl3 as an example, we calculate the frame-dependent energy shifts of the transition frequencies between low-lying states of Ce3+, Nd3+, and Er3+ dopants in the context of the standard model extension, and show that they have high sensitivity to electron anomalies that break rotational invariance.},
doi = {10.1103/PhysRevA.92.040101},
journal = {Physical Review A - Atomic, Molecular, and Optical Physics},
number = 4,
volume = 92,
place = {United States},
year = {Wed Oct 14 00:00:00 EDT 2015},
month = {Wed Oct 14 00:00:00 EDT 2015}
}
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Figures / Tables:
TABLE I: Experimental crystal-field splittings, calculated wave functions, and LLI-violating energy shifts δE for Ce3+ (4$f^1$) ions in LaCl3. Data from reference [17]. B$^2_0$ = 129, B$^4_ 0$ = −329, B$^6_0$ = −997, and B$^6_6$ = 403 in cm−1 are used in calculating Eq. (4). Note that the eigenstates aremore »
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