"density" in inglés with examples - Collocation dictionary inglés
- For an alternative formulation in terms of symmetries of the Lagrangian density, see p. 489 .
- In physics, a sigma model is a physical system that is described by a Lagrangian density of the form:
- The Lagrangian density in contemporary chiral form is given by:
- Separating the free currents from the bound currents, another way to write the Lagrangian density is as follows:
- The Lagrangian density is made of three terms:
- Given a field tensor , a scalar called the Lagrangian density can be constructed from and its derivatives.
- General form of Lagrangian density: where (see 4-gradient)
- The Lagrangian is then the spatial integral of the Lagrangian density.
- If a theory has a Lagrangian density for gravity, say , then the gravitational part of the action is the integral of that.
- A few theories have an action but not a Lagrangian density.
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