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Orion1
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A massless particle situated in a 1D infinite square well with momentum only in the direction of quantum confinement (the x direction):
[tex]E_t \psi (x) = \hbar \omega \psi (x) = i \hbar \frac{\partial}{\partial t} \psi (x)[/tex]
[tex]p(x) \psi(x) = \hbar k_x \psi (x) = -i \hbar \frac{\partial}{\partial x} \psi (x)[/tex]
Integration by substitution:
[tex]E_k(x) \psi(x) = c p(x) \psi(x) = -i \hbar c \frac{\partial}{\partial x} \psi (x)[/tex]
[tex]E_t \psi (x) = E_k(x) \psi(x) + V_u(x) \psi (x)[/tex]
Integration by substitution:
[tex]i \hbar \frac{\partial}{\partial t} \psi (x) = -i \hbar c \frac{\partial}{\partial x} \psi (x) + V_u(x) \psi (x)[/tex]
Massless Schrödinger equation:
[tex]\boxed{i \hbar \frac{\partial}{\partial t} \psi (x) = -i \hbar c \frac{\partial}{\partial x} \psi (x) + V_u(x) \psi (x)}[/tex]
Mass Schrödinger equation:
[tex]i \hbar \frac{\partial}{\partial t} \psi (x) = -\frac{\hbar^2}{2m} \frac{\partial^2 \psi(x)}{\partial x^2} + V(x) \psi(x)[/tex]
Is my solution for the massless Schrödinger equation correct?
Reference:
http://en.wikipedia.org/wiki/Schr%C3%B6dinger_equation"
http://en.wikipedia.org/wiki/Particle_in_a_box"
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