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Learning resourceDeriving the thermal state in Quantum Mechanics

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Using Google to find a detailed, yet easy to follow, derivation of the canonical state for a thermal quantum system wasn't that easy. So I put my own derivation together (later to be included in my master thesis).

Below you will find a PDF with the derivation, using a given Hamiltonian, and the principle of maximum entropy inference, following ideas from E. T. Jaynes.

Download derivation of QM thermal state