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Physicists searching for evidence of quantum criticality in topological materials have found one of the most pristine examples yet observed.

In an open access paper published online in Science Advances, researchers from Rice University, Johns Hopkins University, the Vienna University of Technology (TU Wien) and the National Institute of Standards and Technology (NIST) present the first experimental evidence to suggest that quantum criticality -- a disordered state in which electrons waver between competing states of order -- may give rise to topological phases, "protected" quantum states that are of growing interest for quantum computation.

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