✉news SciencePhysics first seen 10 h ago, last 38 min ago, peak #1
Hofstadter's butterfly marks 50 years as quantum physics icon
Original: Hofstadter’s butterfly turns 50: a fractal hiding in quantum matter
Physics World marks the 50th anniversary of Hofstadter's butterfly, the fractal energy spectrum Douglas Hofstadter predicted in 1976 for electrons in a lattice under a magnetic field. The pattern, once purely theoretical, has become central to modern experiments in graphene and other two-dimensional materials, where researchers can now observe its intricate structure directly.
Why now: The anniversary of a famous theoretical prediction is prompting retrospectives on its experimental relevance to modern 2D materials research.
Douglas HofstadterPhysics Worldgraphene
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