Basic quantum information theory
Pdf version of notes. (incomplete, use at your risk).
Quantum inforamtion course: Page for QIT,
- 1. Quantum states as density operators: PDF
Qubit and Bloch sphere; Density operator; Composed system and reduced states; Distance between quantum states; Entanglement I: pure state case; Entanglement II: mixed state case; Entanglement III: Bell inequality; Multipartite quantum state.
- 2. Measurement as positive operator-valued measure: PDF
Qubit and Bloch sphere; Density operator; Composed system and reduced states; Distance between quantum states; Entanglement I: pure state case; Entanglement II: mixed state case; Entanglement III: Bell inequality; Multipartite quantum state.