3 papers
physics.hist-ph2025
Questions related to the Deflection of Light by Gravity determined by Soldner, Einstein and Schwarzschild
Klaus Wilhelm, Bhola N. Dwivedi, Karsten Muller
Before we discuss the deflection of light in a gravitational field, we give a brief overview of some basic physical formulas on photon properties, generation and propagation. The m…
physics.gen-ph2025
Doppler, gravitational and cosmological redshifts
Klaus Wilhelm, Bhola N. Dwivedi
Ortiz and Ibarra-Castor (2024) have presented a "Generalized redshift formula" taking account of only energy conservation considerations. Contrary to their claim, we emphasize to i…
physics.gen-ph2022
Gravitational matter-antimatter impact interactions
K. Wilhelm, B. N. Dwivedi
The production of antihydrogen by several research groups provides the opportunity to measure the gravitational behaviour of antimatter in the gravitational field of the Earth. The…