Alternative Expression for a Wavefunction Satisfying Blochs Function

Appendix 3.1 Alternative Expression for a Wavefunction Satisfying Bloch s Function 

Thus Ui(x) is a periodic function which can be used to formulate acceptable wavefunctions  

Ashcroft N W and N D Mermin 1976. Solid State Physics New York, Holt, Rinehart and Winston. Atkins P W 1991 Quanta. A Handbook of Concepts Oxford, Oxford University Press. 

Atkins P W and R S Friedman 1996. Molecular Quantum Mechanics, 3rd edition. Oxford, Oxford Umversity Press. 

Catlow C R A 1997. Computer Modelling as a Technique in Materials Chemistry In Catlow C R A and A K Cheetham (Editors). New Trends in Materials Chemistry, NATO ASI Series C 498, Dordrecht, 

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