Physics

Characterizing materials that might eventually help store energy

In order to identify materials that can improve storage technologies for fuel cells and batteries, you need to be able to visualize the actual three-dimensional structure of a particular material up close and in context. Researchers have now done just that, developing new techniques for characterizing complex materials.

Return of the Blob: Surprise link found to edge turbulence in fusion plasma

Correlation discovered between magnetic turbulence in fusion plasmas and troublesome blobs at the plasma edge.

Novel insight reveals topological tangle in unexpected corner of the universe

Just as a literature buff might explore a novel for recurring themes, physicists and mathematicians search for repeating structures present throughout nature.

Novel insight reveals topological tangle in unexpected corner of the universe

In a recent theoretical study, scientists discovered the presence of the Hopfion topological structure in nano-sized particles of ferroelectrics -- materials with promising applications in microelectronics and information technology.

Next-gen laser facilities look to usher in new era of relativistic plasmas research

Chirped pulse amplification increases the strength of laser pulses in many of today's highest-powered research lasers, and as next-generation laser facilities look to push beam power, physicists expect a new era for studying plasmas. Researchers have released a study taking stock of what upcoming high-power laser capabilities are poised to teach us about relativistic plasmas subjected to strong-field quantum electrodynamics processes and introducing the physics of relativistic plasma in supercritical fields.

Controlling superconductors with light

Scientists have reported a conceptually new method to study the properties of superconductors using optical tools. The new theoretical study shows how to use Terahertz light to peep in the secrets of two-dimensional superconductors.

Lossless conduction at the edges

Atomically thin layers of the semimetal tungsten ditelluride conduct electricity losslessly along narrow, one-dimensional channels at the crystal edges. The material is therefore a second-order topological insulator. By obtaining experimental proof of this behavior, physicists have expanded the pool of candidate materials for topological superconductivity.

New library of atomically thin 2D materials created

Researchers have created a new collection of atomically thin two-dimensional materials. Using novel synthesis conditions for transition metal dichalcogenides, more than 10 new materials have been made by the team, with many more still to be discovered.

Critical transition theory shows flickering in heart before atrial fibrillation

Affecting up to 4% of patients older than 65 years, atrial fibrillation ranks among the most common heart conditions. Described by health professionals as an "irregularly irregular" heart rhythm, episodes of atrial fibrillation continue to prove difficult to predict.

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