Last update:
Physics news
High-temperature superconductivity: Exploring quadratic electron-phonon coupling
A new study published in Physical Review Letters (PRL) explores the potential of quadratic electron-phonon coupling to enhance superconductivity through the formation of quantum bipolarons.
New photonic chip spawns nested topological frequency comb
Scientists on the hunt for compact and robust sources of multicolored laser light have generated the first topological frequency comb. Their result, which relies on a small silicon nitride chip patterned with hundreds of ...
Optics & Photonics
13 hours ago
0
250
An alternative way to manipulate quantum states
Researchers at ETH Zurich have shown that quantum states of single electron spins can be controlled by currents of electrons whose spins are evenly aligned. In the future, this method could be used in electronic circuit elements.
Condensed Matter
13 hours ago
0
174
Turning infrared light visible: New device uses 2D material to up-convert infrared light
The human eye can only see light at certain frequencies (called the visible spectrum), the lowest of which constitutes red light. Infrared light, which we can't see, has an even lower frequency than red light. Researchers ...
Optics & Photonics
15 hours ago
0
60
Q&A: New method confines light inside an organic material to form a hybrid quantum state
A team of international scientists led by the University of Ottawa have gone back to the kitchen cupboard to create a recipe that combines organic material and light to create quantum states.
Optics & Photonics
16 hours ago
0
15
The design of a photonic alloy with topological properties
Photonic alloys, alloy-like materials combining two or more photonic crystals, are promising candidates for the development of structures that control the propagation of electromagnetic waves, also known as waveguides. Despite ...
Discovery of one-dimensional topological insulator for qubits, other technology
A joint research team that included members from Tohoku University has unveiled a new topological insulator (TI), a unique state of matter that differs from conventional metals, insulators, and semiconductors.
Condensed Matter
Jun 19, 2024
0
25
Researchers develop platform to probe, control qubits in silicon for quantum networks
The quantum internet would be a lot easier to build if we could use existing telecommunications technologies and infrastructure. Over the past few years, researchers have discovered defects in silicon—a ubiquitous semiconductor ...
Optics & Photonics
Jun 19, 2024
0
57
Generation of intense terahertz waves with a magnetic material
Terahertz waves are being intensely studied by researchers around the world seeking to understand the "terahertz gap." Terahertz waves have a specific frequency that puts them somewhere between microwaves and infrared light. ...
Condensed Matter
Jun 19, 2024
0
10
Study reveals material erosion and deposition in fusion reactors
Researchers led by Prof. Luo Guangnan from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences have made an important discovery about how materials break down and mix on the surfaces inside the experimental ...
Plasma Physics
Jun 19, 2024
0
1
Upgraded advanced photon source sees first X-ray light for science
After a year of installation and commissioning, the new electron storage ring at the heart of the Advanced Photon Source—powered by a world's first injection technique—is ready for business.
Optics & Photonics
Jun 19, 2024
0
9
Physicists find a new way to represent π
While investigating how string theory can be used to explain certain physical phenomena, scientists at the Indian Institute of Science (IISc) have stumbled upon on a new series representation for the irrational number π. ...
General Physics
Jun 18, 2024
8
1498
A method to reversibly control Casimir forces using external magnetic fields
The so-called Casimir force or Casimir effect is a quantum mechanical phenomenon resulting from fluctuations in the electromagnetic field between two conducting or dielectric surfaces that are a short distance apart. Studies ...
Physicists combine multiple Higgs boson pair studies and discover clues about the stability of the universe
Remember how difficult it was to find one Higgs boson? Try finding two at the same place at the same time. Known as di-Higgs production, this fascinating process can tell scientists about the Higgs boson self-interaction.
General Physics
Jun 18, 2024
0
228
New theory broadens phase transition exploration
In a paper recently published in Physical Review Letters, Los Alamos National Laboratory researchers offer a new theory that predicts defect density across a variety of phase transitions. The research opens new routes for ...
General Physics
Jun 18, 2024
0
154
Ultra-high spectral purity revealed in exciton-polariton laser
Exciton-polariton lasers, renowned for their low-power operation, have long tantalized researchers with their promise for practical low-energy applications. However, until now, a clean measurement of the laser's linewidth, ...
Optics & Photonics
Jun 18, 2024
0
21
New technique achieves visualization of instantaneous states of materials in high-speed devices
Researchers at University of Tsukuba have developed an ultrafast time-resolved scanning electron microscopy instrument by integrating a scanning electron microscope with a femtosecond laser. This innovative system facilitates ...
Optics & Photonics
Jun 18, 2024
0
76
Quantum computing trade-off problem addressed by new system
The potential of quantum computers is currently thwarted by a trade-off problem. Quantum systems that can carry out complex operations are less tolerant to errors and noise, while systems that are more protected against noise ...
Optics & Photonics
Jun 18, 2024
0
96
New method enhances X-ray microscopy for detecting tiny defects
X-ray microscopes are essential for examining components and materials because they can be used to detect changes and details in the material. Until now, however, it has been difficult to detect small cracks or tiny inclusions ...
Optics & Photonics
Jun 18, 2024
0
71
New method enhances Brillouin optical fiber sensing for infrastructure monitoring
Brillouin scattering is the phenomenon of the inelastic scattering of light by thermally generated acoustic vibrations. Brillouin-based optical fiber sensing can be used to measure temperature and strain distributions by ...
Optics & Photonics
Jun 18, 2024
0
3