First Law of Mechanics in General Relativity & Isochrone Orbits in Newtonian Gravity

Paul Ramond has a Masters degree in Biophysics and one in Theoretical Physics. He completed his PhD in 2022 at the Paris Observatory and Paris University. He now is a postdoc researcher in Paris Dauphine PSL University, with an expertise in the field of gravitational physics, notably the relativistic two-body problem and gravitational Hamiltonian mechanics. He is also engaged in a number of popularization projects (conferences, associations), and enjoys talking about his work to the general public and young students, in particular regarding the applications of science in medicine, biology and music.

• Gravitational Theory.- Multipolar Particles.- Helical Isometry.- First Laws of Mechanics.- The First Law at Dipolar Order.