Physics

Studying electrons, bridging two realms of physics: Connecting solids and soft matter

Condensed matter physics, which analyzes the behavior of electrons in organized solid matter, has been treated as a completely separate field of study from soft matter physics, which deals with liquids, gels, etc. But in a new study, researchers have now revealed that under certain special conditions, the electrons in solid matter exhibit similar properties to the constituent particles of soft matter.

Shaping the electric field of an attosecond pulse

Researchers have succeeded for the first time in temporally shaping the electric field of an attosecond pulse.

How electric fields affect a molecular twist within light-sensitive proteins

A team of scientists has gained insight into how electric fields affect the way energy from light drives molecular motion and transformation in a protein commonly used in biological imaging.

Inquiry-based labs give physics students experimental edge

New research shows that traditional physics labs, which strive to reinforce the concepts students learn in lecture courses, can actually have a negative impact on students. At the same time, nontraditional, inquiry-based labs that encourage experimentation can improve student performance and engagement without lowering exam scores.

New material has highest electron mobility among known layered magnetic materials

A new material has properties that make it a promising candidate for new areas like magnetic twistronic devices and spintronics, as well as advances in data storage and device design.

Researchers link quartz microbalance measurements to international measurement system

Researchers have found a way to link measurements made by a device integral to microchip fabrication and other industries directly to the recently redefined International System of Units (SI, the modern metric system).

First electrically-driven 'topological' laser

Scientists and engineers have created the first electrically-driven 'topological' laser, which has the ability to route light particles around corners -- and to cope with defects in the manufacture of the device.

New quasiparticle unveiled in room temperature semiconductors

Physicists from Switzerland and Germany have unveiled fingerprints of the long-sought particle known as the Mahan exciton in the room temperature optical response of the popular methylammonium lead halide perovskites.

Antiferromagnetic bimeron shows chaotic behaviors

Magnetic bimeron is a topological spin texture with particle-like characteristics, which can exist in chiral magnets with in-plane magnetic anisotropy. The magnetic bimeron with topological charge of one can be regarded as a counterpart of the magnetic skyrmion in perpendicularly magnetized systems. So far, the studies on magnetic bimerons focus on the ferromagnetic systems. The dynamics of the bimeron in antiferromagnets still remain elusive.

Gold's wobbly nucleus: What the short-lived Au187 isotope teaches us about fundamental science research

As Earth rotates along its axis, it wobbles a little bit. This wobbling comes, in part, from how mass is distributed across the planet. Nuclear physics researchers have now observed this same type of wobbling in Au187—a gold isotope that lives for just eight minutes. Fundamental science research like this can lead to major breakthroughs in a range of fields, including medical care.

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