Search results for thermal hall resistivity

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 ...

Quantum Physics Nov 17, 2022

A new experiment pushes the boundaries of our understanding of topological quantum matter

New research conducted by Princeton University physicists is delving with high resolution into the complex and fascinating world of topological quantum matter—a branch of physics that studies the inherent quantum properties ...

General Physics May 7, 2020

Finite-temperature violation of the anomalous transverse Wiedemann-Franz law

According to the Wiedemann-Franz (WF) law, the electrical conductivity of a metal is linked to its thermal counterpart, provided that the heat carried by the phonons is negligible and the electrons do not suffer inelastic ...

Superconductivity Apr 5, 2016

Scientists study the insulator-superconductor transition of copper-oxide compound in fine detail

Using a highly controlled deposition technique, scientists from the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have synthesized ultrathin films containing multiple samples of a copper-oxide compound ...

General Physics Nov 27, 2019

Natural van der Waals heterostructural single crystals with magnetic and topological properties

Heterostructures with magnetism and topology (geometry) are promising materials to realize exotic topological quantum states. However, such materials are challenging to engineer or synthesize. In a new report on Science Advances, ...

General Physics Jan 6, 2022

Evidence of a quantum phase transition without symmetry breaking in cerium-cobalt-indium 5

Over the past few decades, many condensed matter physicists have conducted research focusing on quantum phase transitions that are not clearly associated with a broken symmetry. One reason that these transitions are interesting ...

Environment May 23, 2018

Excess nutrients, coupled with climate change, damage the most highly resilient corals

Over the last 30 years, 50% of the world's coral reefs have suffered significant damage due to climate change and acidification with the last three being the worst in reefs recent history. Major coral bleaching events, which ...

Ecology May 11, 2015

Water fleas genetically adapt to climate change

The water flea has genetically adapted to climate change. Biologists from KU Leuven, Belgium, compared 'resurrected' water fleas—hatched from 40-year-old eggs—with more recent specimens. The project was coordinated by ...

Engineering May 13, 2011

Lasers take the lead

Conserving energy is a top priority for auto manufacturers today. Laser technology can help. Lasers can be used to process thin light-weight components made of fiber-composite materials, as well as to manufacture more efficient ...

Superconductivity Apr 6, 2020

Nonreciprocal transport in the gate-induced strontium titanate polar superconductor

In materials science, two-dimensional electron systems (2DES) realized at the oxide surface or interface are a promising candidate to achieve novel physical properties and functionalities in a rapidly emerging quantum field. ...

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