| 1. | The Lagrangian density for massless quarks, bound by gluons, is:
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| 2. | The Lagrangian is then the volume integral of the Lagrangian density over 3d space
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| 3. | The dynamics is given by the Lagrangian density
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| 4. | Associated with the field is a Lagrangian density
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| 5. | It is a question of determining the correct Lagrangian density to generate the correct field equation.
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| 6. | Is known as the Lagrangian density.
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| 7. | A specific example is the Klein Gordon equation, the spinless particles, which has the Lagrangian density
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| 8. | The Lagrangian density for the gravitational field in the Einstein Cartan theory is proportional to the Ricci scalar:
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| 9. | The free-field part of the Lagrangian density determines the Feynman propagators, whereas the rest determines the vertices.
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| 10. | The averaged Lagrangian density \ mathcal { L } is now proposed by Whitham to follow the average variational principle:
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