Introduction to Quantum Information

Livro digital

Título:
Introduction to Quantum Information

Autor:
Stephen M. Barnett

Categoria:
Tecnologia > IA

Doador:
Raffaello D. N.

Sinopse:
Quantum information theory did not emerge from nowhere—it inherited a century of thought about probability, entropy, and communication. Stephen Barnett traces that lineage from Bayes and Shannon to the quantum domain, introducing qubits, von Neumann measurements, and entanglement with the clarity of lecture notes honed over years at the University of Glasgow. The opening lectures reconstruct classical information theory from first principles, making the quantum transition feel less like a leap and more like a natural extension. The middle sections tackle quantum key distribution, generalized measurements, and probability operator measures before culminating in entanglement—dense coding, teleportation, and the non-local correlations that distinguish quantum from classical information. A final lecture on quantum computation covers gates, algorithms, and decoherence, connecting the theoretical machinery to practical computational questions. Drawn from Barnett's longer textbook Quantum Information, these five self-contained lectures offer a fast on-ramp for physicists, mathematicians, and computer scientists who want the conceptual core without wading through a full treatise. The tone is rigorous but conversational, ideal for a reader who wants to understand quantum information rather than just read about it.