A Modern Approach to Quantum Mechanics · Problem 3.16

Time Evolution — John S. Townsend

Physics — Quantum Mechanics · spin-1-stern-gerlach

Problem

A spin-1 particle exits an SGz device in a state with

S_z = \hbar

. The beam then enters an SGx device. What is the probability that the measurement of

S_x

yields the value 0?