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International Conference on Precision Physics of Simple Atomic Systems
International Conference on Precision Physics of Simple Atomic Systems

18–22 May 2026
ÖAW
Europe/Vienna timezone

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  • psas2026@oeaw.ac.at

Details for Péter Jeszenszki

Dr
ELTE, Eötvös Loránd University

Author in the following contributions

  • One-particle operator representation over two-particle basis sets for relativistic QED computations
  • Non-adiabatic, relativistic, and QED corrections to the rovibrational intervals of $\text{He}_2\ (\text{a}\ ^3\Sigma_\text{u}^+)$ and $\text{He}_2^+\ (\text{X}\ ^2\Sigma_\text{u}^+)$
  • Double-pair Coulomb and Breit photon correction to the correlated relativistic energy
  • Spin-dependent terms of the Breit-Pauli Hamiltonian evaluated with an explicitly correlated Gaussian basis set for molecular computations
  • High-precision quantum dynamics of He$_2$ over the $\text{b}\ ^3\Pi_\text{g}$-$\text{c}\ ^3\Sigma_\text{g}^+$ electronic subspace by including non-adiabatic, relativistic, and QED corrections and couplings
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