dr hab. Jan Franz
Employment
 Associate Professor at Department of Theoretical Physics and Quantum Information
Social media
Contact
 janfranz@pg.edu.pl
Associate Professor
 Department of Theoretical Physics and Quantum Information
 Faculty of Applied Physics and Mathematics
 Workplace
 Gmach B pokój 414
 Phone
 (58) 347 28 89
Publication showcase

Multistate vibronic interactions in the fluorobenzene radical cation: The importance of quadratic coupling terms
The multimode multistate vibronic interactions in the set of X^2B_1  D^2A_1 electronic states of the monofluoro benzene radical cation are investigated theoretically, based on a quadratic vibronic coupling approach. The underlying ionization potentials and coupling constants are obtained from ab initio coupledcluster calculations. Previous investigations (relying on the linear coupling approach) are extended by including all...

Lowenergy positron collisions with water: elastic and rotationally inelastic scattering
Differential, integral and momentum transfer cross sections for the vibrationally elastic and rotationally inelastic scattering of positrons from water at low collision energy (E ≤ 10 eV) are reported. Several models within the Rmatrix method are used to compute the bodyfixed Tmatrices, while the scattering calculations are performed within the fixednuclei approximation corrected with the standard Bornclosure formula. These...

Positron collisions with molecular hydrogen: cross sections and annihilation parameters calculated using theRmatrix with pseudostates method
The molecular Rmatrix with pseudostates (MRMPS) method is employed to study positron collisions with H2. The calculations employ pseudocontinuum orbital sets containing up to h (l = 5) functions. Use of these high l functions is found to give converged eigenphase sums. Below the positronium formation threshold, the calculated cross sections agree with other highaccuracy theories and generally with the measurements. Calculation...
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