Search results for quantized conductance

Optics & Photonics Apr 2, 2024

A single photon emitter deterministically coupled to a topological corner state

Exploring cavity quantum electrodynamics (cQED) is pivotal for advancing quantum technology and unraveling the fundamental intricacies of light-matter interactions. A prevalent strategy involves integrating a single quantum ...

Condensed Matter Mar 6, 2024

Weird electron behavior gets even weirder: Charge fractionalization observed spectroscopically

A research team led by the Paul Scherrer Institute has spectroscopically observed the fractionalization of electronic charge in an iron-based metallic ferromagnet. Experimental observation of the phenomenon is not only of ...

Condensed Matter Feb 22, 2024

Scientists discover exotic quantum interference effect in a topological insulator device

In a novel experiment, physicists have observed long range quantum coherence effects due to Aharonov-Bohm interference in a topological insulator-based device. This finding opens up a new realm of possibilities for the future ...

Condensed Matter Feb 21, 2024

Physicists discover a quantum state with a new type of emergent particles: Six-flux composite fermions

If the fractional quantum Hall regime were a series of highways, these highways would have either two or four lanes. The flow of the two-flux or four-flux composite fermions, like automobiles in this two- to four-flux composite ...

Condensed Matter Oct 17, 2023

Ushering in the era of light-powered 'multi-level memories'

We live in an era of data deluge. The data centers that are operated to store and process this flood of data use a lot of electricity, which has been called a major contributor to environmental pollution. To overcome this ...

Analytical Chemistry Oct 11, 2023

Q&A: Expert discusses past and future of Nobel-winning quantum dots technology

The world woke up on Oct. 3 to learn that Moungi Bawendi of MIT, Louis Brus of Columbia University, and Alexei Ekimov of Nanocrystals Inc. received the Nobel Prize in Chemistry for their discovery and synthesis of semiconductor ...

Condensed Matter Oct 5, 2023

Researchers find a new quantum ruler to explore exotic matter

A single-atom-thick sheet of carbon known as graphene has remarkable properties on its own, but things can get even more interesting when you stack up multiple sheets.

Astronomy Aug 29, 2023

Researchers propose new technology to improve observation sensitivity of QiTai radio telescope

The world's most powerful steerable 110-meter radio telescope, also known as the QiTai radio Telescope (QTT), will be built by Xinjiang Astronomical Observatory (XAO) of the Chinese Academy of Sciences (CAS) over a period ...

Condensed Matter Jul 31, 2023

When electrons slowly vanish during cooling: Researchers observe an effect unique to the quantum world

Many substances change their properties when they are cooled below a certain critical temperature. Such a phase transition occurs, for example, when water freezes. However, in certain metals there are phase transitions that ...

Condensed Matter Jun 13, 2023

Scientists discover quantum oscillations in correlated insulators

Quantum oscillations (QOs) of conductance in the magnetic field are widely observed in mesoscopic devices thanks to the Landau quantization, and thus QOs are commonly used as a powerful tool to measure the Fermi surface of ...

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