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Nanomaterials Jul 19, 2023

Chemically bonded multi-nanolayer aerogel for thermal superinsulation

Thermal superinsulation materials with low thermal conductivities are essential for thermal insulation and protection under extreme conditions. These materials are particularly required in fields including deep-space exploration, ...

Soft Matter Jul 19, 2023

Dynamics of molecular rotors in bulk superfluid helium

Molecules immersed in liquid helium can probe superfluidity since their electronic, vibrational and rotational dynamics can provide valuable cues about the superfluid at the nanoscale. In a new report in Science Advances, ...

Optics & Photonics Jul 17, 2023

Laser squared: A two-domain photon-phonon laser

Lasers are a significant historical invention with ubiquitous impact in society. The concept also has interdisciplinary applications as phonon lasers and atom lasers. A laser in one physical domain can be pumped by energy ...

Nanophysics Jul 14, 2023

New study reveals spin in quantum dots' carrier multiplication

A new approach to developing semiconductor materials at tiny scales could help boost applications that rely on converting light to energy. A Los Alamos-led research team incorporated magnetic dopants into specially engineered ...

Condensed Matter Jul 14, 2023

Thanks to trapped electrons, a material expected to be a conducting metal remains an insulator

New research sheds light on the mechanism behind how a special material changes from an electrically conducting metal to an electric insulator. The researchers studied lanthanum strontium nickel oxide (La1.67Sr0.33NiO4) derived ...

Quantum Âé¶¹ÒùÔºics Jul 13, 2023

Âé¶¹ÒùÔºicists work to prevent information loss in quantum computing

Nothing exists in a vacuum, but physicists often wish this weren't the case. If the systems that scientists study could be completely isolated from the outside world, things would be a lot easier.

General Âé¶¹ÒùÔºics Jul 5, 2023

How splitting sound might lead to a new kind of quantum computer

When you turn on a lamp to brighten a room, you are experiencing light energy transmitted as photons, which are small, discrete quantum packets of energy. These photons must obey the sometimes strange laws of quantum mechanics, ...

Quantum Âé¶¹ÒùÔºics 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 ...

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