As text book for the course we use a set of written lecture notes:
Modern Quantum Mechanics, Lecture notes - FYS4110
The lecture notes can be downloaded from the course pages.
Some additional lecture notes, with material that is included in the lectures but not covered in the main lecture notes are available for download on the course page.
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As supplementary texts we suggest the following books,
Michel Le Bellac: Quantum physics, Cambridge University Press.
Luca Salasnich: Quantum Physics of Light and Matter
Bernard Zygelman: A First Introduction to Quantum Computing and Information
They cover parts of the subjects lectured in the course, and include also much additional material. For the last two, you should have access to download the text with UiO account.