Nonlocality may refer to: *

Action at a distance In physics, action at a distance is the concept that an object can be affected without being physically touched (as in mechanical contact) by another object. That is, it is the non-local interaction of objects that are separated in space. Non- ...

, the concept in physics of nonlocal interactions **

Principle of locality In physics, the principle of locality states that an object is influenced directly only by its immediate surroundings. A theory that includes the principle of locality is said to be a "local theory". This is an alternative to the concept of ins ...

, the opposite of action at a distance *

Quantum nonlocality In theoretical physics, quantum nonlocality refers to the phenomenon by which the measurement statistics of a multipartite quantum system do not admit an interpretation in terms of a local realistic theory. Quantum nonlocality has been experime ...

, nonlocal phenomena in quantum mechanics * Nonlocal Lagrangian, a type of Lagrangian (a mathematical function)

See also