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Search results for electromagnetic fields

Condensed Matter Jul 27, 2023

Controlling the electro-optic response of a perovskite coupled to a phonon-resonant cavity

Electron-phonon scattering is often the primary mechanism limiting electron mobility in semiconductors. Thus, changing phonon properties can provide a way to control conductivity. Recently, there has been a growing interest ...

Quantum Âé¶¹ÒùÔºics Jul 24, 2023

Study proposes combining continuum mechanics with Einstein field equations

Albert Einstein's general theory of relativity is a landmark in our understanding of the universe. It gave rise to the notion of a spacetime continuum against which all physical phenomena play out. But over the decades, it ...

Quantum Âé¶¹ÒùÔºics Jul 14, 2023

Study offers a broader approach to quantum walks

Quantum walks have been widely studied for their ability to simulate real physical phenomena. Âé¶¹ÒùÔºicists have previously studied two distinct types of quantum walk, but so far, they haven't widely considered how their mathematical ...

Astronomy Jul 14, 2023

Revealing the invisible: Detecting variations in extragalactic magnetic fields

Magnetic fields are common throughout the universe but incredibly challenging to study. They don't directly emit or reflect light, and light from all along the electromagnetic spectrum remains the primary purveyor of astrophysical ...

Astronomy Jul 13, 2023

Study sets new constraints on the kinetic mixing of hidden photon dark matter

As dark matter is comprised of particles that do not absorb, emit or reflect light, it cannot be observed directly with the methods used to observe conventional matter. In recent years, astrophysicists worldwide have thus ...

General Âé¶¹ÒùÔºics Jul 6, 2023

Why does matter exist? Roundness of electrons may hold clues

In the first moments of our universe, countless numbers of protons, neutrons and electrons formed alongside their antimatter counterparts. As the universe expanded and cooled, almost all these matter and antimatter particles ...

Optics & Photonics Jul 6, 2023

Quantum plasmonics with dressing EM fields: Advancing the design of nanoscale integrated circuits

Envision a realm where light can be meticulously controlled and manipulated at minuscule scales, unlocking unprecedented potentials for nanotechnology and quantum information technology. Recent breakthroughs in quantum research ...

Superconductivity Jul 5, 2023

New tool helps improve quantum computing circuit component

Researchers use a new tool to help improve a key component in commercially produced quantum computing circuits. The team of scientists from the U.S. Department of Energy's (DOE) Ames National Laboratory in partnership with ...

Nanophysics Jun 28, 2023

Researchers develop a nano-antenna that forms a near field of circularly polarized light

A research group from Kobe University in Japan have proposed and tested a nano-antenna that uses the specific optical resonance of dielectric nanoparticles to form a near field of circularly polarized light. This technique ...

Analytical Chemistry Jun 15, 2023

Theoretical discovery: A new path for quantum physics to control chemical reactions

Controlling chemical reactions to generate new products is one of the biggest challenges in chemistry. Developments in this area impact industry, for example, by reducing the waste generated in the manufacture of construction ...

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