Search results for phonons

Materials Science Jun 12, 2019

MagLab scientists discover thermoelectric properties in promising class of materials

Exploring an area overlooked by other scientists, physicists at the Florida State University-headquartered National High Magnetic Field Laboratory have discovered that a class of materials called "1-2-20s" have very promising ...

Quantum Physics Jun 14, 2019

Oscillating quasiparticles: the cycle of decay and rebirth

Decay is relentless in the macroscopic world: Broken objects do not fit themselves back together again. However, other laws are valid in the quantum world: New research shows that so-called quasiparticles can decay and reorganize ...

General Physics Jun 14, 2019

Discovery of light-induced ferroelectricity in strontium titanate

Light can be used not only to measure materials' properties, but also to change them. Especially interesting are those cases in which the function of a material can be modified, such as its ability to conduct electricity ...

General Physics Jun 10, 2019

What if dark matter is lighter? Report calls for small experiments to broaden the hunt

The search for dark matter is expanding. And going small.

Optics & Photonics May 22, 2019

Quantum interferometry reveals the chosen pathway of coherent phonon generation

Scientists at Tokyo Institute of Technology and Keio University investigated the excitation and detection of photogenerated coherent phonons in polar semiconductor GaAs through an ultrafast dual pump-probe laser for quantum ...

Optics & Photonics May 17, 2019

Laser of sound promises to measure extremely tiny phenomena

Most people are familiar with optical lasers through their experience with laser pointers. But what about a laser made from sound waves?

Condensed Matter Jun 06, 2019

Jam-packed: A novel microscopic approach to amorphous solids

A team led by The University of Tokyo developed a new method for understanding the structural organization of disordered collections of soft discs or spheres using a new approach: putting a focus on local mechanical properties ...

General Physics May 30, 2019

Thermal analog black hole agrees with Hawking radiation theory

A team of researchers at the Israel Institute of Technology has found that a thermal analog black hole they created agrees with the Hawking radiation theory. In their paper published in the journal Nature, the group describes ...

General Physics May 29, 2019

Electric-field-controlled superconductor-ferromagnetic insulator transition

High-temperature (Tc) superconductivity typically develops from antiferromagnetic insulators, and superconductivity and ferromagnetism are always mutually exclusive. Recently, Xianhui Chen's group at the University of Science ...

Quantum Physics Jun 06, 2019

New research unlocks properties for quantum information storage and computing

Researchers at Rensselaer Polytechnic Institute have come up with a way to manipulate tungsten diselenide (WSe2) —a promising two-dimensional material—to further unlock its potential to enable faster, more efficient computing, ...

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