UNIT– III BASIC QUANTUM MECHANICS:
Inadequacy of classical mechanics – black body radiation – Planck’s quantum concept – photoelectric effect – Bohr’s theory of hydrogen atom – hydrogen spectra – wave-particle dualism – uncertainty principle – decline of old quantum
theory.
Schrödinger equation – postulates of quantum mechanics – operator algebra:
linear operator, Hermitian operators, eigenfunctions and eigenvalues, angular momentum operator – commutation relations and related theorems – orthogonality
and normalization.
Applications of wave mechanics to simple systems – particle in a box, one and three dimensional, particle with finite potential barrier – the quantum mechanical tunneling
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