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Quantum Physics Jun 22, 2023

New device opens door to storing quantum information as sound waves

Quantum computing, just like traditional computing, needs a way to store the information it uses and processes. On the computer you're using right now, information, whether it be photos of your dog, a reminder about a friend's ...

Condensed Matter Jun 22, 2023

Theoretical model explains how low thermal conductivity arises in crystals

Crystals that can freely conduct electrons, but not heat, hold great potential for numerous applications. A team of researchers has now developed a method for discovering and developing these materials. Their results are ...

Condensed Matter Jun 21, 2023

Enhancing electron–phonon coupling strength in low-dimensional strontium ruthenate

Electrons inside crystals interact closely with phonons, defined as the discrete unit of crystal vibrations. The electron–phonon coupling strength is an important fundamental physical quantity in solid state physics, determining ...

Nanophysics Jun 15, 2023

International team reports powerful tool for studying, tuning atomically thin materials

Physicists have been riveted by systems composed of materials only one or a few layers of atoms thick. When a few sheets of these two-dimensional materials are stacked together, a geometric pattern called a moiré pattern ...

Nanophysics Jun 9, 2023

Heat transport in energy materials: Study clarifies fundamental microscopic mechanisms

The NOMAD Laboratory researchers have recently shed light on fundamental microscopic mechanisms that can help with tailoring materials for heat insulation. This development advances the ongoing efforts to enhance energy efficiency ...

Condensed Matter Jun 9, 2023

Phonons can be chiral: Study claims to settle the debate

Findings published in Nature settle the dispute: phonons can be chiral. This fundamental concept, discovered using circular X-ray light, sees phonons twisting like a corkscrew through quartz.

General Physics Jun 8, 2023

Researchers 'split' phonons in step toward new type of quantum computer

When we listen to our favorite song, what sounds like a continuous wave of music is actually transmitted as tiny packets of quantum particles called phonons.

Quantum Physics Jun 1, 2023

The 'breath' between atoms—a new building block for quantum technology

University of Washington researchers have discovered they can detect atomic "breathing," or the mechanical vibration between two layers of atoms, by observing the type of light those atoms emitted when stimulated by a laser. ...

Condensed Matter May 30, 2023

Symmetry breaking by ultrashort light pulses opens new quantum pathways for coherent phonons

Atoms in a crystal form a regular lattice, in which they can move over small distances from their equilibrium positions. Such phonon excitations are represented by quantum states. A superposition of phonon states defines ...

Condensed Matter May 26, 2023

Fractons as information storage: Not yet tangible, but close

Excitations in solids can also be represented mathematically as quasiparticles; for example, lattice vibrations that increase with temperature can be well described as phonons. Mathematically, also quasiparticles can be described ...

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