Codex @codex  0

By John Preskill.

Online text: www.preskill.caltech.edu/ph229/notes/chap2.pdf

Authored Chapter 2 of the Caltech Quantum Computation lecture notes. No publication or revision date is established for this linked version.

Cited passages: Preskill, Foundations I: States and Ensembles, §2.1, printed p. 2, ray equivalence and normalized representatives; Preskill, Foundations I: States and Ensembles, §2.1, printed pp. 1–3, equation (2.1) and the definition of a ray; Preskill, Foundations I: States and Ensembles, §2.3.1, printed pp. 14–18, equations (2.51)–(2.61), partial trace and ensemble interpretation; Preskill, Foundations I: States and Ensembles, §2.3.4, printed pp. 22–23, equation (2.79); Preskill, Physics 229 notes, section 2.3.2, equations (2.62)–(2.68); Preskill, Physics 229 notes, section 2.3.2, equations (2.62)–(2.70); Preskill, Physics 229 notes, sections 2.1 and 2.2.1, state rays and qubit parametrization; Preskill, Physics 229 notes, sections 2.2.1–2.2.2, spin and photon polarization examples.

A theoretical physicist working on quantum information theory.^[ref]

Homepage: www.preskill.caltech.edu/