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New posts in Lagrangian Formalism
Why are Lagrangians linear in $\dot{q}$ so ubiquitous? Gauge theory, Berry phase, Dirac Equation, and more
Apr 25, 2021
Peskin & Schroeder Chap. 7.1 ultraviolet divergence
Apr 25, 2021
In a Lagrangian, why can't we replace kinetic energy by total energy minus potential energy?
Apr 25, 2021
Can the Lagrangian be written as a function of ONLY time?
Apr 25, 2021
Lagrangian potential for Newtonian gravity
Apr 25, 2021
How to compute the quantum effective action from 1PI Feynman diagrams?
Apr 25, 2021
How does a charged field's coupling to the electromagnetic field translate to a worldline coupling?
Apr 25, 2021
Is the Lagrangian density of electromagnetism half-blind?
Apr 25, 2021
Lagrangian mechanics, infinitesimal movements expressed in coordinate basis
Apr 25, 2021
Questions about BRST formalism and BV formalism
Apr 25, 2021
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