Dirac's bracket notation is an elegant and concise way of expressing many of the key ideas in quantum mechanics, making the distinction between the state and its representations clear, making orthonormalization easy to state, and expressing completeness in terms of projection operators. (This lecture is part of a series for a course based on Griffiths' Introduction to Quantum Mechanics. The Full playlist is at ru-vid.com/group/PL65jGfVh1ilueHVVsuCxNXoxrLI3OZAPI)
11 мар 2015