What are "on-shell" and "off-shell" conditions in classical mechanics?
68759
Why on-shell vs. off-shell matters?
35694
Can virtual particles be thought of as off-shell Fourier components of a field?
126425
Consistent, complete, and generalized description of the quantum harmonic oscillator
51901
Ambiguity in applying Newton's shell theorem in an infinite homogeneous universe
90852
Does Action in Classical Mechanics have a Interpretation?
64727
Total time derivatives and partial coordinate derivatives in classical mechanics
42186
When is the Hamiltonian of a system not equal to its total energy?
34165
Modern references for continuum mechanics
82166
How are constraint forces represented in Lagrangian mechanics?
120590
Determining the Lorenz gauge condition
91135
Virtual particles and physical laws
84465
Off-center impulse equations
115139
Use my example to explain why loop diagram will not occur in classical equation of motion?
23510
different possible definitions of the exterior derivative?
98090
Matrix mechanics for those with wave mechanics background
108464
Necessary and sufficient conditions for a function to be the Wigner function of state
16510
Classical mechanics without coordinates book