Lagrangian density
C17865
concept
The Lagrangian density is a function of fields and their derivatives defined over spacetime whose integral (the action) determines the dynamics of a physical system via the principle of least action.
Observed surface forms (3)
- effective Lagrangian ×1
- string theory action ×1
- two-dimensional field theory action ×1
Instances (3)
- Dirac Lagrangian
- Polyakov action via concept surface "string theory action"
- Heisenberg–Euler effective Lagrangian via concept surface "effective Lagrangian"