Quantum Mechanics: From Wavefunctions to Qubits

A Complete Modern Treatment

Bridging the gap between undergraduate and graduate quantum mechanics — with Python simulations, modern applications, and honest treatment of the deepest questions in physics.

An Open Educational Resource

This textbook is freely available to all learners, educators, and researchers worldwide.

License: Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)

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"The atoms or elementary particles themselves are not real; they form a world of potentialities or possibilities rather than one of things or facts." — Werner Heisenberg

"If you are not completely confused by quantum mechanics, you do not understand it." — John Wheeler

40 Chapters | 8 Parts | 10 Appendices | 3 Capstones | Python Throughout

First Edition, 2026