Following the OpenAcess and OpenScience policy of the European Commission and the European Research Council, datasets resulted of ATTOSTRUCTURA project will be open and free available for consult and reuse for those who are interested. 

The publication of the datasets will be done according to the Data Management Plan that has been created for the project. Said data management plan has been drawn up and defined following the ERC’s recommendations regarding OpenAcces and the FAIR principles.

Dataset published within the framework of the project


Authors: Alba de las Heras, Luis Plaja, Carlos Hernández-García

Description: We provide results of the numerical integration of the one-dimensional Time-Dependent Schrödinger Equation (TDSE) of the helium atom in the interaction with a strong electromagnetic field. We compare different theoretical models: (i) Two Active Electrons (TAE), which is the exact 1D description of the He atom, (ii) Idle Electron model (IDL), considering twoelectron correlation, and only one electron interacting with the external field, (iii) Single-Active Electron approximation (SAE), and (iv) the exact 1D description of the helium cation (He+). The methodology and data interpretation are publicly available in the reference paper. Concretely this dataset contains:

  • High-order harmonic spectra for different wavelengths (400 nm-1030 nm) and peak intensities ((1.6 – 10) x 1014 W/cm2) of the driving laser field.
  • Excited atomic transitions after the laser pulse (515 nm wavelength and 1.6 x 1014 W/cm2 peak intensity) in  the TAE and IDL descriptions.
  • Energy levels of the He atom (TAE) and the cation He+.
  • Wavefunction of the second excited state of He.
  • One-electron energy dependence on the position of a secondary electron.

Citation: de las Heras, Alba; Plaja, Luis; Hernández-García, Carlos (2021): Datadocument_PRR2020. figshare. Dataset.

Keywords: Atomic Physics, Nonlinear Optics, Computational Physics, Strong-Field phenomena, High-order harmonic generation, electron-electron correlation, Time-Dependent Schrödinger Equation, Helium atom

Date of publication: 18/08/2021

DOI: 10.6084/m9.figshare.15188049.v1

Type of license: CC BY 4.0

Reference paper: de las Heras, A., Hernández-García, C., & Plaja, L. (2020). Spectral signature of back reaction in correlated electron dynamics in intense electromagnetic fields. Physical Review Research, 2(3), 033047.

Link to the repository