How principle of least action?
63069
Why the Principle of Least Action?
45764
How does the Ready action work?
26085
Why is the action dimensionless in natural units?
115328
Properly discontinuous action: equivalent definitions
98341
How to delete an action?
101888
Least action principle : is $ \delta \frac{dx}{dt} = \frac{d \delta x}{dt} $ always true?
65078
How does anything move?
26423
Is there a minimum damage rule?
140005
How will a particle with energy less than $V_{\rm min}$ behave?
136918
How to determine the smallest numbers with $n$ factors
47384
Huygens-principle
93588
Based on newtons third law
45266
How are forces "mediated"?
106538
Why are thermodynamic potentials minimised?
134571
Why should a (physical) principle be applicable to different systems in different positions in space and time?
114901
In what sense is the proper/effective action $\Gamma[\phi_c]$ a quantum-corrected classical action $S[\phi]$?
67323
How to determine the optimal control law?