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Search results for quantum Hall

Condensed Matter Feb 21, 2024

Âé¶¹ÒùÔºicists 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 ...

Quantum Âé¶¹ÒùÔºics Feb 21, 2024

Electrons become fractions of themselves in graphene, study finds

The electron is the basic unit of electricity, as it carries a single negative charge. This is what we're taught in high school physics, and it is overwhelmingly the case in most materials in nature.

Condensed Matter Jan 18, 2024

Quantum physicists develop robust and ultra-sensitive topological quantum device

A significant breakthrough has been achieved by quantum physicists from Dresden and Würzburg. They've created a semiconductor device where exceptional robustness and sensitivity are ensured by a quantum phenomenon. This ...

Condensed Matter Jan 17, 2024

Higher measurement accuracy opens new window to the quantum world

A team at HZB has developed a new measurement method that, for the first time, accurately detects tiny temperature differences in the range of 100 microKelvin in the thermal Hall effect. Previously, these temperature differences ...

Condensed Matter Jan 15, 2024

Unlocking the magnetic superpowers of topological magnons

In the ever-evolving landscape of condensed matter physics, a recent breakthrough has emerged from the collaborative efforts of researchers at the Peter Grünberg Institute (PGI-1), École Polytechnique Fédérale de Lausanne, ...

Optics & Photonics Jan 15, 2024

Researchers present simplified, improved scheme for precision measurement using lasers

Within atomic and laser physics communities, scientist John "Jan" Hall has become a key figure in the history of laser frequency stabilization and precision measurement using lasers. Hall's work revolved around understanding ...

Condensed Matter Jan 5, 2024

Using Berry phase monopole engineering for high-temperature spintronic devices

Spintronic devices are electronic devices that utilize the spin of electrons (an intrinsic form of angular momentum possessed by the electron) to achieve high-speed processing and low-cost data storage. In this regard, spin-transfer ...

Superconductivity Dec 8, 2023

A superconducting junction made from a single 2D material promises to harness strange new physics

Âé¶¹ÒùÔºicists at RIKEN have developed an electronic device that hosts unusual states of matter, which could one day be useful for quantum computation.

Optics & Photonics Nov 13, 2023

Research achieves photo-induced superconductivity on a chip

Researchers at the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) in Hamburg, Germany, have shown that a previously demonstrated ability to turn on superconductivity with a laser beam can be integrated ...

Condensed Matter Oct 30, 2023

Theoretical modeling illuminates a new nonlinear Hall Effect

An international team of researchers including a team from the Center for the Advancement of Topological Semimetals (CATS), an Energy Frontier Research Center under the U.S. Department of Energy's Office of Science led by ...

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