(physics) The branch of physics which studies matter and energy at the level of atoms and other elementary particles, and substitutes probabilistic mechanisms in place of classical Newtonian ones.

(quantum mechanics) Any of the possible states of a quantum mechanical system.

(quantum mechanics) a potential well that confines particles in one dimension, forcing them to occupy a planar region

(quantum mechanics) A quantum field theory in particle physics which describes the strong interaction of quarks and gluons employing the concept of color charge.

(nanotechnology) A fluorescent nanoparticle of semiconducting material.

a quantum well incorporated in a quantum dot

A lawsuit to recover payment for goods that have been sold and delivered.

(quantum mechanics) Any of a class of solids (such as that of helium) whose atoms or molecules undergo large zero-point motion even in the quantum ground state (at absolute zero).

(quantum mechanics) The quantum theory of the gravitational field. / (quantum mechanics) The study of quantum fields in curved spacetime.

(quantum mechanics) the study of the effects of the laws of quantum mechanics on the propagation and absorption of sound