QM Lecture 7
7.1 Quantum mechanics description in terms of base-states
7.2 Probability amplitude
7.3 General Guiding principles to assign amplitude probabilities
7.4 Interference between Amplitude Probabilities
7.4.A Two-slit experiment: Watching electrons’ trajectories
Adding amplitude-probabilities for events producing the same final state.
Adding probabilities for vents producing different final states.
7.4.B Neutron Scattering from a crystal by particles with or without spin
7.4.B.a Angular Momentum and Magnetic Dipole
Orbital angular momentum
The Stern-Gerlach experiment: Measurement of the magnetic dipole .
Bohr’s quantization of the angular momentum.
Electron Spin, . Spin gyromagnetic ratio
Nuclear spin
7.4.B.b Scattering form a crystal of atoms with spin zero
7.4.B.c Scattering form a crystal of atoms with spin ½.
References
R. Feynman, “The Feynman Lectures on Physics,” Volume III, Chapter 3.
R. Eisberg and R. Resnick, “Quantum Physics,” 2nd Edition, Wiley, 1985. Sections 8-1 to 8-3.
B. H. Bransdem& C.J. Joachin, “Quantum Mechanics” 2nd Ed. Prentice Hall, 2000. Section 1.5.