Outputs (111)

Non-Hermitian Floquet dynamics in absorption spectroscopy (2025)
Journal Article
Potvliege, R. M. (2025). Non-Hermitian Floquet dynamics in absorption spectroscopy. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, 481(2311), Article 20240484. https://doi.org/10.1098/rspa.2024.0484

A theory of the absorption of a laser field by an atomic or condensed matter medium is presented for the case where the medium is also interacting with a strong electromagnetic field. The rotating wave approximation is not assumed for the latter. It... Read More about Non-Hermitian Floquet dynamics in absorption spectroscopy.

Spectroscopy of light atoms and bounds on physics beyond the standard model (2025)
Journal Article
Potvliege, R. M. (2025). Spectroscopy of light atoms and bounds on physics beyond the standard model. New Journal of Physics, 27(4), Article 045002. https://doi.org/10.1088/1367-2630/adc625

Newly calculated bounds on the strength of the coupling of an electron to a proton or a neutron by a fifth force are presented. These results are derived from the high precision spectroscopic data currently available for hydrogen, deuterium, helium-3... Read More about Spectroscopy of light atoms and bounds on physics beyond the standard model.

Microwave-optical spectroscopy of Rydberg excitons in the ultrastrong driving regime (2024)
Journal Article
Brewin, A., Gallagher, L. A. P., Pritchett, J. D., Wong, H. Q. X., Potvliege, R. M., Clark, S. J., & Jones, M. P. A. (2024). Microwave-optical spectroscopy of Rydberg excitons in the ultrastrong driving regime. New Journal of Physics, 26(11), Article 113018. https://doi.org/10.1088/1367-2630/ad8c74

We study the ultrastrong driving of Rydberg excitons in Cu2O by a microwave field. The effect of the field is studied using optical absorption spectroscopy, and through the observation of sidebands on the transmitted laser light. A model based on Flo... Read More about Microwave-optical spectroscopy of Rydberg excitons in the ultrastrong driving regime.

CoOMBE: A suite of open-source programs for the integration of the optical Bloch equations and Maxwell-Bloch equations (2024)
Journal Article
Potvliege, R., & Wrathmall, S. (2025). CoOMBE: A suite of open-source programs for the integration of the optical Bloch equations and Maxwell-Bloch equations. Computer Physics Communications, 306, Article 109374. https://doi.org/10.1016/j.cpc.2024.109374

The programs described in this article and distributed with it aim (1) at integrating the optical Bloch equations governing the time evolution of the density matrix representing the quantum state of an atomic system driven by laser or microwave field... Read More about CoOMBE: A suite of open-source programs for the integration of the optical Bloch equations and Maxwell-Bloch equations.

Addendum: Multichannel quantum defect theory of strontium bound Rydberg states (2014 J. Phys. B: At. Mol. Opt. Phys. 47 155001) (2024)
Journal Article
Vaillant, C. L., Jones, M. P. A., & Potvliege, R. M. (2024). Addendum: Multichannel quantum defect theory of strontium bound Rydberg states (2014 J. Phys. B: At. Mol. Opt. Phys. 47 155001). Journal of Physics B: Atomic, Molecular and Optical Physics, 57(19), Article 199401. https://doi.org/10.1088/1361-6455/ad76f0

Newly calculated multichannel quantum defect theory parameters and channel fractions are presented for the singlet and triplet S, P and D series and singlet F series of strontium. These results correct those reported in Vaillant et al (2014 J. Phys.... Read More about Addendum: Multichannel quantum defect theory of strontium bound Rydberg states (2014 J. Phys. B: At. Mol. Opt. Phys. 47 155001).

mqdtfit: A collection of Python functions for empirical multichannel quantum defect calculations (2024)
Journal Article
Potvliege, R. (2024). mqdtfit: A collection of Python functions for empirical multichannel quantum defect calculations. Computer Physics Communications, 300, Article 109172. https://doi.org/10.1016/j.cpc.2024.109172

The Python functions distributed with this article can be used for calculating the parameters of multichannel quantum defect theory models describing excited bound states of complex atoms. These parameters are obtained by fitting a model to experimen... Read More about mqdtfit: A collection of Python functions for empirical multichannel quantum defect calculations.

Trap induced broadening in a potential hydrogen lattice clock (2024)
Journal Article
Scott, J. P., Potvliege, R. M., Carty, D., & Jones, M. P. A. (2024). Trap induced broadening in a potential hydrogen lattice clock. Metrologia, 61(2), Article 025001. https://doi.org/10.1088/1681-7575/ad1e37

We consider the potential use of optical traps for precision measurements in atomic hydrogen (H). Using an implicit summation method, we calculate the atomic polarisability, the rates of elastic/inelastic scattering and the ionisation rate in the wav... Read More about Trap induced broadening in a potential hydrogen lattice clock.

Deuterium spectroscopy for enhanced bounds on physics beyond the standard model (2023)
Journal Article
Potvliege, R. M., Nicolson, A., Jones, M. P. A., & Spannowsky, M. (2023). Deuterium spectroscopy for enhanced bounds on physics beyond the standard model. Physical Review A, 108(5), Article 052825. https://doi.org/10.1103/physreva.108.052825

We consider the impact of combining precision spectroscopic measurements made in atomic hydrogen with similar measurements made in atomic deuterium on the search for physics beyond the standard model. Specifically, we consider the wide class of model... Read More about Deuterium spectroscopy for enhanced bounds on physics beyond the standard model.

Detection of 3–300 MHz electric fields using Floquet sideband gaps by “Rabi matching” dressed Rydberg atoms (2023)
Journal Article
Rotunno, A. P., Berweger, S., Prajapati, N., Simons, M. T., Artusio-Glimpse, A. B., Holloway, C. L., Jayaseelan, M., Potvliege, R., & Adams, C. (2023). Detection of 3–300 MHz electric fields using Floquet sideband gaps by “Rabi matching” dressed Rydberg atoms. Journal of Applied Physics, 134(13), Article 134501. https://doi.org/10.1063/5.0162101

Radio frequencies in high-frequency (HF) and very high-frequency (VHF) bands (3–300 MHz) are challenging for Rydberg atom-based detection schemes, as resonant detection requires exciting atoms to extremely high energy states. We demonstrate a method... Read More about Detection of 3–300 MHz electric fields using Floquet sideband gaps by “Rabi matching” dressed Rydberg atoms.

ARC 3.0: An expanded Python toolbox for atomic physics calculations (2021)
Journal Article
Robertson, E., Sibalic, N., Potvliege, R., & Jones, M. (2021). ARC 3.0: An expanded Python toolbox for atomic physics calculations. Computer Physics Communications, 261(107814), Article 107814. https://doi.org/10.1016/j.cpc.2020.107814

ARC 3.0 is a modular, object-oriented Python library combining data and algorithms to enable the calculation of a range of properties of alkali and divalent atoms. Building on the initial version of the ARC library (Šibalić et al., 2017), which focus... Read More about ARC 3.0: An expanded Python toolbox for atomic physics calculations.