Skip to main content

Reset your password

Please enter the e-mail address you used to register to reset your password

Note: The verification e-mail to change your password should arrive immediately. However, in some cases it takes longer. Don't forget to check your spam folder.

If you haven't received the e-mail in 24 hours, please contact customerservices@ioppublishing.org

Registration complete

Thank you for registering with Physics World
If you'd like to change your details at any time, please visit My account

Close
Topological matter

Topological matter

Quantum anomalous Hall insulator carries current in its interior, not just its edges

08 Sep 2023 Isabelle Dumé
Schematic diagram showing a loop of wire, representing the SQUID pickup loop, above a multilayered bar of material
Where the current flows: Schematic of a SQUID pickup loop imaging stray magnetic fields above a Hall bar sample of dimensions 200 × 75 μm. (Courtesy: Adapted from G M Ferguson et al. Direct visualization of electronic transport in a quantum anomalous Hall insulator. Nat. Mater. 22, 1100–1105 (2023). https://doi.org/10.1038/s41563-023-01622-0)
Insulators are not, by definition, good carriers of electrical current, but researchers in the US ha

You’ve reached the limit of what you can view on Physics World without registering

If you already have an account on Physics World, then please sign in to continue reading

If you do not yet have an account, please register so you can

  • Access more than 20 years of online content
  • Choose which e-mail newsletters you would like to receive
Isabelle Dumé is a contributing editor to Physics World
Read previous

Rapidly swapping photons make a high-quality quantum gate  
Read next

Heart-inspired pump boosts energy efficiency

Discover more from Physics World

Related jobs

Related events

Copyright © 2024 by IOP Publishing Ltd and individual contributors