User Tools

Site Tools


equations:hamilton-jacobi_equation

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision
Previous revision
equations:hamilton-jacobi_equation [2018/04/15 11:50]
ida [Abstract]
equations:hamilton-jacobi_equation [2018/05/05 12:29] (current)
63.143.42.253 ↷ Links adapted because of a move operation
Line 15: Line 15:
 <​blockquote>​The Hamilton-Jacobi equation is essentially a dispersion relation for <​blockquote>​The Hamilton-Jacobi equation is essentially a dispersion relation for
 a complex wave. This is easy to see in the context of non-relativistic a complex wave. This is easy to see in the context of non-relativistic
-[[theories:​quantum_mechanics|quantum mechanics]]. If a quantum amplitude is expressed in the+[[theories:​quantum_mechanics:canonical|quantum mechanics]]. If a quantum amplitude is expressed in the
 form ψ = Rexp(iS/​h¯),​ then the Hamilton-Jacobi equation relates form ψ = Rexp(iS/​h¯),​ then the Hamilton-Jacobi equation relates
 p = ∂S/∂q to E = −∂S/​∂t by the condition p2(q) = 2m(E −V). p = ∂S/∂q to E = −∂S/​∂t by the condition p2(q) = 2m(E −V).
Line 51: Line 51:
  
 where $p_1$ is the momentum of the particle going from $q_0$ to $q_1$, at time $t_1$, and where $p_1$ is the momentum of the particle going from $q_0$ to $q_1$, at time $t_1$, and
-$$  \frac{\partial W}{\partial q_0^i}&= -(p_0)_i,​\qquad\text{(-momentum at time $t_0$)} $$ +$$  \frac{\partial W}{\partial q_0^i}= -(p_0)_i ,​\qquad\text{(-momentum at time $t_0$)} $$ 
-$$ \frac{\partial W}{\partial t_1}&= -H_1,​\qquad\text{(-energy at time $t_1$)} $$ +$$ \frac{\partial W}{\partial t_1}= -H_1,​\qquad\text{(-energy at time $t_1$)} $$ 
-$$ \frac{\partial W}{\partial t_0}&= H_0,​\qquad\text{(+energy at time $t_0$)}+$$ \frac{\partial W}{\partial t_0}= H_0,​\qquad\text{(+energy at time $t_0$)}
  $$  $$
  
equations/hamilton-jacobi_equation.1523785847.txt.gz · Last modified: 2018/04/15 09:50 (external edit)