News

Now I can write the angular momentum principle: Now back to linear momentum. Suppose that I am riding on a friction free train car that is moving at some constant velocity (without an engine).
Such circular motion is ultimately responsible for the main topic discussed in this paper: the transverse spin angular momentum (SAM) of light. In this paper we discuss recent developments and ...
The vortex beam with orbital angular momentum (OAM) is a new and ideal tool to selectively excite dipole forbidden states through linear optical absorption. The emergence of the vortex beam with ...
Angular momentum — a measure of an object’s rotational motion in space-time — is an even harder to define concept. Some of the difficulties stem from a feedback loop that is built into general ...
The fact that light carries both linear and angular momentum is well-known to physicists. One application of the linear momentum of light is for optical tweezers, in which the refraction of a ...
But what is angular momentum? Let's take a step back. Linear momentum is the product of an object's mass and its velocity (direction and speed). A passenger in a moving car that stops abruptly ...
Nothing can move faster than the speed of light; when two quanta interact, energy is always conserved; linear and angular momentum can never be created or destroyed, etc. But some of these rules ...
The uncertainty principle states that we cannot know the state of a system with arbitrary precision. Now the uncertainty relation between angular momentum and position has been measured in an ...
Topics covered include:one and two dimensional motion, Newton's Laws of dynamics, statics, circular motion, work and energy, linear and angular momentum, electrostatics, electric and potential fields, ...