The quantum Hall effect branches out
Jun 5, 2001
It is surprising when five theoretical papers all concerned with a single experimental result appear in the same journal. It is perhaps even more surprising when the topic is the quantum Hall effect - a phenomenon that is now over two decades old and has already yielded two Nobel prizes. The great excitement stems from the fact that this experiment and the new theories elegantly intertwine the quantum Hall effect with ferromagnetism, Bose condensation, superfluidity and the Josephson effect.
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