Search results for phonons

Quantum Physics Nov 27, 2020

A phononic crystal coupled to a transmission line via an artificial atom

Researchers have recently displayed the interaction of superconducting qubits; the basic unit of quantum information, with surface acoustic wave resonators; a surface-wave equivalent of the crystal resonator, in quantum physics. ...

Condensed Matter Nov 25, 2020

Ideal type-II Weyl points are observed in classical circuits

The elementary particles that build the universe have two types: bosons and fermions, where the fermions are classified as Dirac, Weyl, and Majorana fermions. In recent years, Weyl fermions are found in condensed matter systems, ...

Optics & Photonics Nov 23, 2020

Vibrational encounters—phonon polaritons meet molecules

Researchers from CIC nanoGUNE BRTA (San Sebastian, Spain), in collaboration with the Donostia International Physics Center (San Sebastián, Spain) and the University of Oviedo (Spain) employed a spectroscopic nanoimaging ...

Quantum Physics Nov 23, 2020

Scientists make sound-waves from a quantum vacuum at the Black Hole laboratory

Researchers have developed a new theory for observing a quantum vacuum that could lead to new insights into the behavior of black holes.

Condensed Matter Nov 20, 2020

Study of polycyclic aroma shows molecules following same relaxation pathway and behaving more like solids than molecules

A team of researchers from Institut Lumière Matière, Universität Heidelberg and Leiden University has found via study of a whole class of polycyclic aromatic hydrocarbons (PAHs) that such molecules follow the same relaxation ...

Nanophysics Nov 20, 2020

A Plug-and-play approach to integrated nanoacoustics

From taut strings vibrating in musical instruments to micro-electro-mechanical systems for optoelectronics, vibrations cover an extensive range of applications. At the nanoscale, the study of mechanical vibrations poses several ...

Nanophysics Nov 18, 2020

Researchers apply nanoscale graphene 'magic' angle to acoustics

Two atomically thin carbon sheets stacked on top of each other, called bilayer graphene, exhibit unique properties when one of the layers is twisted at a certain angle—a "magic" angle. The study of magic and other angle ...

Materials Science Nov 11, 2020

Turning heat into power with efficient organic thermoelectric material

Thermoelectric materials can turn a temperature difference into electricity. Organic thermoelectric materials could be used to power wearable electronics or sensors; however, the power output is still very low. An international ...

Condensed Matter Nov 9, 2020

Researchers decode thermal conductivity with light

Groundbreaking science is often the result of true collaboration, with researchers in a variety of fields, viewpoints and experiences coming together in a unique way. One such effort by Clemson University researchers has ...

Nanophysics Nov 4, 2020

Observing magnon-polarons using a nanopatterned magnetic structure lit by short laser pulses

A team of physicists from Germany, Russia, Ukraine and the United Kingdom has found a new way to observe magnon-polarons by using a nanopatterned magnetic structure lit with short laser pulses. In their paper published in ...

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