Y. Ibrahim | Searcharxiv

arXiv2020

All l-state eigensolutions of the non-relativistic Schrodinger equation with the general molecular oscillator

In this study, we employ exact quantization rule (EQR) to derive the analytical approximate l-wave solutions of the Schrodinger equation with the general molecular oscillator (GMO). The energy eigenvalues equation and the corresponding wave -functions have been obtained explicitly. Improved Pekeris-type approximation Schemes have been used to deal with the orbital centrifugal term. We have deduced expressions for the bound-state energy eigenvalues of the Morse and shifted Deng-Fan oscillator as special cases of the GMO, and computed their resulting bound-state energy eigenvalues for H2, CO, HCl and LiH diatomic molecules. Our results are in good agreement with other results in the literature.

physics.chem-ph↗

arXiv2013

Electrokinetic Effects in Catalytic Pt-Insulator Janus Swimmers

The effect of added salt on the propulsion of Janus platinum-polystyrene colloids in hydrogen peroxide solution is studied experimentally. It is found that micromolar quantities of potassium and silver nitrate salts reduce the swimming velocity by similar amounts, while leading to significantly different effects on the overall rate of catalytic breakdown of hydrogen peroxide. It is argued that the seemingly paradoxical experimental observations could be theoretically explained by using a generalised reaction scheme that involves charged intermediates and has the topology of two nested loops.

cond-mat.soft↗