Principles of Quantum Mechanics · Problem 7.4.2

The Path Integral Formulation of Quantum Theory — R. Shankar

Physics — Quantum Mechanics · harmonic-oscillator-expectation-values

Problem

Find

\langle X\rangle

\langle P\rangle

\langle X^2\rangle

\langle P^2\rangle

\Delta X \cdot \Delta P

in the state

|n\rangle