Quantum Physics Notes
by J D Cresser
Publisher: Macquarie University 2009
With the development of the 'quantum information' interpretation of quantum mechanics, more and more the tendency is to move away from wave mechanics to the more abstract linear algebra version, chiefly expressed in the notation due to Dirac. It is this more general view of quantum mechanics that is presented in these notes.
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By using the general concepts of special relativity and the requirements of quantum mechanics, Dirac equation is derived and studied. Only elementary knowledge of spin and rotations in quantum mechanics and standard linear algebra are required.
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A qualitative representation of microstates is established quite independently of the quantum mechanical mathematical formalism. The foundations of an intelligible reconstruction of the Hilbert-Dirac formulation of Quantum Mechanics is developed.
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