Butterfly in the Quantum World by Indu Satija, with contributions by Douglas Hofstadter, is the first book ever to tell the story of the Hofstadter butterfly, a beautiful and fascinating graph lying at the heart of the quantum theory of matter.
The butterfly came out of a simple-sounding question: What happens if you immerse a crystal in a magnetic field? What energies can the electrons take on? From 1930 onwards, physicists struggled to answer this question, until 1974, when grad.
Question | What happens if you immerse a crystal in a magnetic field |
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