Physicists uncover new phenomena in fractional quantum Hall …
WEBAug 15, 2024 · The team has investigated the enigmatic world of fractional quantum Hall effects (FQHE), uncovering novel, unexpected phenomena when these systems are probed in new ways and pushed beyond their...
Electrons become fractions of themselves in graphene, study ... - MIT News
WEBFeb 21, 2024 · MIT physicists have observed fractional quantum Hall effect in simple pentalayer graphene. The finding could make it easier to develop more robust quantum computers.
New quantum magnet unleashes electronics potential | MIT News ...
WEBJul 25, 2023 · Researchers discover how to control the anomalous Hall effect and Berry curvature to create flexible quantum magnets for use in computers, robotics, and sensors.
The fractional quantum anomalous Hall effect - Nature
WEBJun 18, 2024 · In this Viewpoint, five scientists involved in the very recent discovery of a new type of Hall effect — the fractional quantum anomalous Hall effect — discuss their results and their...
CCB Research: New Nonlinear Hall Effect Discovered
WEBJun 15, 2023 · Here, we report a nonlinear Hall effect induced by quantum metric dipole by interfacing even-layered MnBi 2 Te 4 with black phosphorus. The quantum metric nonlinear Hall effect switches direction upon reversing the AFM spins and exhibits distinct scaling that is independent of the scattering time.
Discovery of a new Hall effect: Does it violate Onsager's reciprocal ...
WEBDec 14, 2023 · The Hall effect, or anomalous Hall effect, occurs when electric current flows through a conductor or magnet in a magnetic field, generating voltage perpendicular to the electric and magnetic...
Nonlinear Hall effects - Nature Reviews Physics
WEBAug 26, 2021 · The recently discovered nonlinear Hall effect is a new member of the family of Hall effects. It is characterized as a transverse Hall voltage in response to two longitudinal currents in the...
40 years of the quantum Hall effect | Nature Reviews Physics
WEBJul 23, 2020 · Over the past 40 years, the quantum Hall effect (QHE) has inspired new theories and led to experimental discoveries in a range of fields going beyond solid-state electronics to photonics and ...
Theoretical modeling illuminates a new nonlinear Hall Effect
WEBOct 30, 2023 · This Hall effect is driven by the quantum metric, which defines the distances between electronic wavefunctions inside a crystal. The experimental work was led by scientists at Harvard University while the theoretical modeling was developed at Ames Lab.
Pushing the Boundaries of Traditional Physics: Scientists Discover …
WEBFeb 5, 2024 · Researchers have discovered an anisotropic anomalous Hall effect in a spinel oxide thin film, a phenomenon that varies with current direction and is explained by a new model incorporating a magnetic toroidal quadrupole structure, aligning with …