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In nonreciprocal systems, where Newton’s third law falls apart, “exceptional points” are helping researchers understand phase transitions and possibly other phenomena.
So-called topological quantum computing would avoid many of the problems that stand in the way of full-scale quantum computers. But high-profile missteps have led some experts to question whether the field is fooling itself.
The unambiguous discovery of a Wigner crystal relied on a novel technique for probing the insides of complex materials.
Theorists are in a frenzy over “fractons,” bizarre, but potentially useful, hypothetical particles that can only move in combination with one another.
Anyons don’t fit into either of the two known particle kingdoms. To find them, physicists had to erase the third dimension.
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