3 papers
physics.class-ph2025
Gravitational friction from d'Alembert's principle
C. Ortiz, R. S. Khatiwada
The least action principle played a central role in the development of modern physics. A major drawback of the principle is that its applicability is limited to holonomic constrain…
gr-qc2024
Nonlinear Dissipative Forces in Celestial Motion Using the Method of Multiple Scales
Raju S. Khatiwada, C. Ortiz, Basanta R. Giri
This paper investigates the influence of nonlinear dissipative forces, specifically Gravitational Friction (GF), on the precession of celestial bodies within the framework of gener…
cond-mat.other2024
Dissipative Forces in Photon-Medium Interactions Using Perturbation Theory
Raju S. Khatiwada, N. P. Adhikari, C. Ortiz
This study examines dissipative forces in photon-medium interactions through time-independent perturbation theory, with a specific focus on single Helium-4 atoms. Utilizing a Hamil…