Chapter 4
The description of the electronic (ground-) state of a solid

4.1 The periodic, perfect solid
4.2 The Bloch-Theorem
4.3 Proof of the Bloch-Theorem
4.4 The Hamiltonian and its symmetry operations
4.5 The ”Tight-Binding”-Method: LCAO
4.6 General solution of LCAO
4.7 Applying the LCAO method to s-band electrons
4.8 The two atoms containing molecule
4.9 Magnetic properties of the two electron system: singlet and triplet state
4.9.1 Mean-Field-Approximation for the description of the Coulomb-Coupling
4.10 The covalent bond

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© J. Carstensen (Quantum Mech.)