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The study of physical properties of condensed phases of matter, including solids and liquids.

2 votes
1 answer
173 views

Introducing a New Quantum Number $l$ for Bloch Functions

If we solve the time-independent Schrödinger equation in 1D $$\frac{d^2\psi(x)}{dx^2} + \frac{2m}{\hbar^2} \left[E - V(x)\right] \psi(x) = 0$$ for a periodic potential $V(x)$ with wave function $\ps …
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1 answer
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$k$-interval for First Brillouin Zone

If we solve the time-independent Schrodinger equation in 1D for a periodic potential $V(x)$ with wave function $\psi(x)$ subject to a periodic boundary condition: $\psi(x) = \psi(x + Ga)$, where $a$ …
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