In physical theories, a test particle, or test charge, is an idealized model of an object whose physical properties (usually mass, charge, or size) are...

Magnetic particle inspection (MPI) is a nondestructive testing process where a magnetic field is used for detecting surface, and shallow subsurface, discontinuities...

moving particle is different from non-relativistic mechanics. It is instructive to look at the total relativistic energy of a free test particle. An observer...

A point particle, ideal particle or point-like particle (often spelled pointlike particle) is an idealization of particles heavily used in physics. Its...

general relativity, Schwarzschild geodesics describe the motion of test particles in the gravitational field of a central fixed mass M , {\textstyle M...

the test particle should not be attracted towards either stream.: 245–253  It is not at all clear that the forces exerted on the test particle are equal...

Higgs boson, sometimes called the Higgs particle, is an elementary particle in the Standard Model of particle physics produced by the quantum excitation...

the position vector of the gravitating particle i, and R is that of the test particle. A freely moving particle in gravitational field has the equations...

motion for a test particle in Kerr spacetime are integrable. Using these constants of motion, the trajectory equations for a test particle can be written...

constitutes a single semantic unit consisting of a verb followed by a particle (e.g., turn down, run into, or sit up), sometimes collocated with a preposition...

assumes that one of the inner binary's components, the secondary, is a test particle – an idealized point-like object with negligible mass compared to the...

the ISCO) is the smallest marginally stable circular orbit in which a test particle can stably orbit a massive object in general relativity. The location...

Wave–particle duality is the concept in quantum mechanics that fundamental entities of the universe, like photons and electrons, exhibit particle or wave...

and an isotropic field exerts the same action regardless of how the test particle is oriented. Within mathematics, isotropy has a few different meanings:...

\end{aligned}}} Given the Christoffel symbols, one can compute the geodesics of a test-particle. Instead of working in the holonomic basis, one can perform efficient...

the charged test particles in Kerr–Newman–Taub–NUT spacetime and analytical solutions". Hackmann, Eva; Xu, Hongxiao (2013). "Charged particle motion in...

framework of the quantum field theory, even without referring to a test particle, a field occupies space, contains energy, and its presence precludes...

A beta particle, also called beta ray or beta radiation (symbol β), is a high-energy, high-speed electron or positron emitted by the radioactive decay...

and that the test particle is orbiting at a distance r H {\displaystyle r_{\mathrm {H} }} from the secondary. When the test particle is on the line...

non-gravitational forces." "... in a gravitational field the acceleration of a test particle is independent of its properties, including its rest mass." Mass (measured...

m1, m2 and the gravitational constant G r1, r2 are distances of the test particle from the two masses Note that the Jacobi integral is minus twice the...

Brownian motion is the random motion of particles suspended in a medium (a liquid or a gas). The traditional mathematical formulation of Brownian motion...

a test particle moves along a straight line at a constant speed. In the language of spacetime, this is equivalent to saying that such test particles move...

object would distort the spacetime metric, making the orbit of a nearby test particle precess. This does not happen in Newtonian mechanics for which the gravitational...

longitude of the ascending node and the argument of pericenter of a test particle freely orbiting a central spinning mass endowed with angular momentum...

field, a representation of the combined effects of remote masses on a test particle at each point Field (Bourdieu), a sociological term coined by Pierre...

test particles, the result of transporting spacetime vectors that can denote a particle's velocity (time-like vectors) will vary with the particle's trajectory;...

a test particle inside of it. Meanwhile, two uniform, concentric focaloids with the same mass or charge exert the same potential on a test particle outside...

time (time measured by a clock moving along the same world line with a test particle), c {\displaystyle c} is the speed of light, t {\displaystyle t} is...

GEM is valid only far from isolated sources, and for slowly moving test particles. The analogy and equations differing only by some small factors were...