Search results for Free-Electron Laser

Condensed Matter May 31, 2024

On-chip GHz time crystals with semiconductor photonic devices pave way to new physics and optoelectronic applications

Researchers have for the first time observed a time crystal on a microscale semiconductor chip oscillating at a rate of several billion times per second, unveiling exceptionally high non-linear dynamics in the GHz range.

Quantum Physics May 29, 2024

Research team demonstrates modular, scalable hardware architecture for a quantum computer

Quantum computers hold the promise of being able to quickly solve extremely complex problems that might take the world's most powerful supercomputer decades to crack.

Condensed Matter May 29, 2024

New study is step towards energy-efficient quantum computing in magnets

Researchers from Lancaster University and Radboud University Nijmegen have managed to generate propagating spin waves at the nanoscale and discovered a novel pathway to modulate and amplify them.

Optics & Photonics May 28, 2024

Researchers create the world's strongest ionizing terahertz radiation

Terahertz waves, known as non-ionizing radiation, can turn into ionization radiation when sufficiently many terahertz photons are focused in space and time. A team led by scientists in Korea and the U.S. has created the world's ...

Analytical Chemistry May 28, 2024

Study introduces a cleaner way to produce ammonia at room temperature and pressure

Ammonia is the starting point for the fertilizers that have secured the world's food supply for the last century. It's also a main component of cleaning products, and is even considered as a future carbon-free replacement ...

Condensed Matter May 27, 2024

Researchers measure crystal nucleation in supercooled atomic liquids

Researchers at European XFEL in Schenefeld near Hamburg have taken a closer look at the formation of the first crystallization of nuclei in supercooled liquids. They found that the formation starts much later than previously ...

Cell & Microbiology May 24, 2024

Observing mammalian cells with superfast soft X-rays

Researchers have developed a new technique to view living mammalian cells. The team used a powerful laser, called a soft X-ray free electron laser, to emit ultrafast pulses of illumination at the speed of femtoseconds, or ...

Biochemistry May 14, 2024

Finding the chink in coronavirus's armor—experiment reveals how the main protease of SARS-CoV-2 protects itself

The COVID-19 pandemic resulted in millions of deaths. Despite an unparalleled collaborative research effort that led to effective vaccines and therapies being produced in record-breaking time, a complete understanding of ...

Optics & Photonics May 13, 2024

Exploring the ultrasmall and ultrafast through advances in attosecond science

A team of scientists at the Department of Energy's SLAC National Accelerator Laboratory are developing new methods to probe the universe's minute details at extraordinary speeds.

Nanophysics May 13, 2024

Electron vortices in graphene detected for the first time

When an ordinary electrical conductor—such as a metal wire—is connected to a battery, the electrons in the conductor are accelerated by the electric field created by the battery. While moving, electrons frequently collide ...

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