Momentum-dependent power law measured in an interacting quantum wire beyond the Luttinger limit
Y. Jin, O. Tsyplyatyev, M. Moreno and 8 more
Nature Communications · 2019
doi:10.1038/s41467-019-10613-2 (opens in a new tab)
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Abstract
Power laws are usually associated with a scale invariance due to the absence of a length scale. Here, Jin et al. report experimental evidence of a new type of power law in a GaAs/AlGaAs double quantum-well heterostructure, suggesting existence of a new type of universality that emerges at finite energy and momentum.
Abstract licence: CC BY-NC-ND
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