Relations between variational derivatives of functions and scalar densities (Q1265432)
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scientific article; zbMATH DE number 1203694
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Relations between variational derivatives of functions and scalar densities |
scientific article; zbMATH DE number 1203694 |
Statements
Relations between variational derivatives of functions and scalar densities (English)
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8 November 1999
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In view of applications to relativistic field theories, the authors derive and discuss the appropriate ``Leibniz rule'' for the first and second variation of a Lagrangian density (of the second order) explicitly expressed as the product of an invariant function and an invariant volume density, both depending dynamically on field variables.
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manifold
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variational principles
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Lagrangian densities
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applications to relativistic field theories
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0.7509088516235352
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0.7317613363265991
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