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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.