Nonlocality: Difference between revisions

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Nonlocality may refer to:

Action at a distance, the concept in physics of nonlocal interactions
- Principle of locality, the opposite of action at a distance
Quantum nonlocality, nonlocal phenomena in quantum mechanics
Nonlocal Lagrangian, a type of Lagrangian (a mathematical function)
Nonlocal operator, which maps functions on a topological space to functions, in such a way that the value of the output function at a given point cannot be determined solely from the values of the input function in any neighbourhood of any point.

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 {{wiktionarypar|nonlocality}}
+'''Nonlocality''' may refer to:
-In physics, '''nonlocality''' or [[action at a distance]] is the direct interaction of two objects that are separated in space without an intermediate agency or mechanism. Isaac Newton (1642-1727) considered gravity-action-at-a-distance "so great an Absurdity that I believe no Man who has in philosophical Matters a competent Faculty of thinking can ever fall into it". [[Quantum nonlocality]] refers to what Einstein called the "spooky action at a distance" of [[quantum entanglement]].
+* [[Action at a distance]], the concept in physics of nonlocal interactions
+** [[Principle of locality]], the opposite of action at a distance
-'''Nonlocality''' may also refer to:
+* [[Quantum nonlocality]], nonlocal phenomena in quantum mechanics
+* [[Nonlocal Lagrangian]], a type of Lagrangian (a mathematical function)
-* [[Nonlocal Aharonov–Bohm effect]], a quantum mechanical phenomenon in which an electrically charged particle is affected by an electromagnetic field, despite the fact that both fields are zero
+* [[Nonlocal operator]], which maps functions on a topological space to functions, in such a way that the value of the output function at a given point cannot be determined solely from the values of the input function in any neighbourhood of any point.
-* [[Nonlocal Lagrangian]], a Lagrangian that contains terms that are nonlocal in the fields <math> \ \phi(x)</math>
 ==See also==
-* [[Principle of locality]]
+* [[Locality (disambiguation)]]
-* [[Relative locality]]
+* [[Nonlocal (disambiguation)]]
-* [[Synchronicity]]
-* [[Wheeler-Feynman absorber theory]]
 {{disambig}}
-[[nl:Non-lokaal]]
-[[ja:非局所性]]
-[[pt:Não localidade]]
 [[ru:Нелокальность]]
-[[scn:Nonlucalitati]]
-[[fi:Nonlocality]]