Marcos V. Barp


Marcos Vinicios Barp

E-mail: marcosbarp@gmail.com

Room 215,


Research Interests

  •  Rotational and electronic excitation of molecules by positron impact;
  • Analytical scattering models for positron-matter interaction;
  • Ab initio methods for positron-matter interaction;
  • High-performance scientific computing with CUDA;
  • General purpose computing on graphics processing units (GPGPU) application in ab initio positron scattering methods;

 

Recent Publications

Barp, M. V., Tenfen, W. & Arretche, F. (2023). Many-Body and Single-Body Low-Energy Elastic Positron Scattering by Beryllium Atoms: From Ab Initio to Semiempirical Approaches. Atoms, 11, 8.

Barp, M. V. & Arretche, F. (2022). Electron and positron elastic scattering by non-central potentials: Matrix elements and symmetry properties in the first Born approximation. International Journal of Quantum Chemistry, 122 (13), e26909.

Barp, M. V. & Arretche, F. (2022). Young‐type interference in soft lepton scattering of diatomic homonuclear molecules. International Journal of Quantum Chemistry, 122 (10), e26882.

Tenfen, W., Seidel, E. P., Barp, M. V. & Arretche, F. (2022). Higher order polarizabilities and the positron forward scattering problem. Journal of Electron Spectroscopy and Related Phenomena, 255, 147160.

Barp, M. V., Tenfen, W. & Arretche, F. (2021). Rotational excitation of O2 by positron impact. Radiation Physics and Chemistry, 179, 109140.

Arretche, F., Barp, M. V., Tenfen, W. & Seidel, E. P. (2020). The hidden Ramsauer-Townsend effect in positron scattering by rare gas atoms. Brazilian Journal of Physics, 50(6), 1-13.

Tenfen, W., Barp, M. V. & Arretche, F. (2020). Low-energy positron scattering from C2H2. The European Physical Journal D, 74, 30.

Arretche, F., Barp, M. V., Seidel, E. P., & Tenfen, W. (2020). Electronic excitation of H2O by positron impact. The European Physical Journal D, 74(1), 1-7.

Barp, M. V., & Arretche, F. (2019). Rotational excitation of tetrahedral and octahedral molecules caused by electron and positron impact. The European Physical Journal D, 73(11), 244. EPJD highlight selected   

Arretche, F., Barp, M. V., Scheidt, A., Seidel, E. P., & Tenfen, W. (2019). Semiempirical models for low energy positron scattering by Ar, Kr and Xe. Journal of Physics B: Atomic, Molecular and Optical Physics, 52(21), 215201.

Tenfen, W., Barp, M. V., & Arretche, F. (2019). Low-energy elastic scattering of positrons by O2. Physical Review A, 99(2), 022703.

Barp, M. V., & Arretche, F. (2018). Rotational excitation of tetrahedral molecules by positron impact in the Born approximation. Journal of Electron Spectroscopy and Related Phenomena, 229, 33-41.

Barp, M. V., Seidel, E. P., Arretche, F., & Tenfen, W. (2018). Rotational excitation of N2 by positron impact in the adiabatic rotational approximation. Journal of Physics B: Atomic, Molecular and Optical Physics, 51(20), 205201.

Seidel, E. P., Barp, M. V., Tenfen, W., & Arretche, F. (2018). Elastic scattering and rotational excitation of Li2 by positron impact. Journal of Electron Spectroscopy and Related Phenomena, 227, 9-14.

Doctoral Thesis: Positron scattering by open-shell atoms and molecules. Content in Portuguese.

Master’s degree dissertation: Rotational excitation of  Td and Oh molecules by positron impact. Content in Portuguese.