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.
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 …
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.
Theoretical modeling illuminates a new nonlinear Hall Effect - Phys.org
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...
Opto-twistronic Hall effect in a three-dimensional spiral lattice
WEBSep 18, 2024 · Here we study three-dimensional twistronics using a self-assembled twisted spiral superlattice of multilayered WS 2. Our findings show an opto-twistronic Hall effect driven by structural chirality ...
Nonlinear Hall effect in an insulator | Nature Nanotechnology
WEBAug 29, 2024 · The third-order nonlinear Hall effect is observed in the quantum Hall states in graphene. When a two-dimensional conductor is placed in a magnetic field, a current Ix in the x -direction can...
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.
Giant Hall effect in a highly conductive frustrated magnet GdCu$_2$
WEB4 days ago · Abstract: The Hall effect is one of the most fundamental but elusive phenomena in condensed matter physics due to the rich variety of underlying mechanisms. Here we report an exceptionally large Hall effect in a frustrated magnet GdCu$_2$ with high conductivity. The Hall conductivity at the base temperature is as high as 4 x 10$^4$ $\Omega^{-1 ...
The twisted material that splits the electron - Nature
WEBSep 27, 2023 · Under certain conditions, this results in a phenomenon known as the fractional quantum anomalous Hall effect, in which a current emerges at the edge of the material, carrying particles...