40 years of the quantum Hall effect

Klaus von Klitzing, Tapash Chakraborty, Philip Kim, Vidya Madhavan, Xi Dai, James McIver, Yoshinori Tokura, Lucile Savary, Daria Smirnova, Ana Maria Rey, Claudia Felser, Johannes Gooth, Xiaoliang Qi

Research output: Contribution to journalArticlepeer-review

Abstract

The discovery of the quantum Hall effect (QHE) marked a turning point in condensed-matter physics. The measurement of the Hall resistance showed that electronic resistance could be defined precisely in terms of fundamental constants, even in a disordered and irregular sample. Over the past 40 years, the QHE has inspired new theories and led to experimental discoveries in a range of fields going beyond solid-state electronics to photonics and quantum entanglement. In this Viewpoint, physicists reflect on how the QHE has influenced their research.

Original languageEnglish (US)
Pages (from-to)397-401
Number of pages5
JournalNature Reviews Physics
Volume2
Issue number8
DOIs
StatePublished - Aug 1 2020

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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