About: Nonlocal Lagrangian

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In field theory, a nonlocal Lagrangian is a Lagrangian, a type of functional containing terms that are nonlocal in the fields , i.e. not polynomials or functions of the fields or their derivatives evaluated at a single point in the space of dynamical parameters (e.g. space-time). Examples of such nonlocal Lagrangians might be: * * * * The Wess–Zumino–Witten action. * v * t * e * v * t * e

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  • In field theory, a nonlocal Lagrangian is a Lagrangian, a type of functional containing terms that are nonlocal in the fields , i.e. not polynomials or functions of the fields or their derivatives evaluated at a single point in the space of dynamical parameters (e.g. space-time). Examples of such nonlocal Lagrangians might be: * * * * The Wess–Zumino–Witten action. Actions obtained from nonlocal Lagrangians are called nonlocal actions. The actions appearing in the fundamental theories of physics, such as the Standard Model, are local actions; nonlocal actions play a part in theories that attempt to go beyond the Standard Model and also in some effective field theories. Nonlocalization of a local action is also an essential aspect of some regularization procedures. Noncommutative quantum field theory also gives rise to nonlocal actions. * v * t * e * v * t * e (en)
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  • In field theory, a nonlocal Lagrangian is a Lagrangian, a type of functional containing terms that are nonlocal in the fields , i.e. not polynomials or functions of the fields or their derivatives evaluated at a single point in the space of dynamical parameters (e.g. space-time). Examples of such nonlocal Lagrangians might be: * * * * The Wess–Zumino–Witten action. * v * t * e * v * t * e (en)
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  • Nonlocal Lagrangian (en)
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