Last update:
Physics news
Quantum computers can solve combinatorial optimization problems more easily than conventional methods, research shows
The traveling salesman problem is considered a prime example of a combinatorial optimization problem. Now a Berlin team led by theoretical physicist Prof. Dr. Jens Eisert of Freie Universität Berlin and HZB has shown that ...
Quantum Physics
17 hours ago
0
40
Breakthrough in melting point prediction: 100-year-old physics problem solved
A longstanding problem in physics has finally been cracked by Professor Kostya Trachenko of Queen Mary University of London's School of Physical and Chemical Sciences. His research, published in Physical Review E, unveils ...
General Physics
19 hours ago
0
144
Elegant use of noise for quantum computing
Scientists around the world work hard to rinse quantum systems for noise, which may disturb the function of tomorrow's powerful quantum computers. Researchers from the Niels Bohr Institute (NBI) have found a way to use noise ...
Quantum Physics
20 hours ago
0
39
Searching for the decay of nature's rarest isotope: Tantalum-180m
Tantalum is one of the rarest elements and has multiple stable isotopes. The least abundant tantalum isotope, Ta-180 is found naturally in a long-lived excited state, a feature unique to this isotope. In excited states, a ...
General Physics
21 hours ago
0
44
Projection mapping leaves the darkness behind
Images projected onto objects in the real world create impressive displays that educate and entertain. However, current projection mapping systems all have one common limitation: they only work well in the dark. In a study ...
Optics & Photonics
20 hours ago
0
17
Holographic message encoded in simple plastic
There are many ways to store data—digitally, on a hard disk, or using analog storage technology, for example as a hologram. In most cases, it is technically quite complicated to create a hologram: High-precision laser technology ...
Optics & Photonics
21 hours ago
0
11
Brighter, cheaper blue light could revolutionize screen technology
Researchers have found a new way to simplify the structure of high-efficiency blue organic light-emitting diodes (OLEDs), which could lead to longer-lasting and higher definition television screens.
Condensed Matter
Mar 15, 2024
0
157
Ultra-flat optics for broadband thermal imaging
Long-wavelength infrared (LWIR) imaging holds critical significance across many applications, from consumer electronics to defense and national security. It finds applications in night vision, remote sensing, and long-range ...
Optics & Photonics
Mar 15, 2024
0
116
Researchers develop a new strategy to enhance blue perovskite LED performance
Prof. Cui Linsong's research team from the University of Science and Technology of China (USTC), cooperating with Prof. Samuel D. Stranks' team from the University of Cambridge, devised a novel strategy to enhance the performance ...
Optics & Photonics
Mar 15, 2024
0
67
Direct laser writing on halide perovskites: From mechanisms to applications
Metal halide perovskites have become well-deserved "star" materials among a variety of semiconductors owing to their excellent optoelectronic properties, such as high photoluminescence (PL) quantum yield (QY), high absorption ...
Optics & Photonics
Mar 15, 2024
0
4
Chiral transmission by an open evolution trajectory in a non-Hermitian system
In non-Hermitian systems, two or more eigenvalues and eigenstates of a resonant system coalesce at Exceptional points (EPs). Dynamic encircling of EPs has received significant interest in recent years, as it leads to highly ...
Optics & Photonics
Mar 15, 2024
0
18
New excitation method of stimulated Raman scattering achieves natural-linewidth-limit spectral lines
Stimulated Raman Scattering (SRS) has been developed as an essential quantitative contrast for chemical imaging in recent years. However, the spectral resolution of the mainstream SRS modalities is always lower than the state-of-the-art ...
Optics & Photonics
Mar 15, 2024
0
1
Photon-like electrons in a four-dimensional world discovered in a real material
Dirac electrons were predicted by P. Dirac and discovered by A. Geim, both of whom were awarded the Nobel Prize in Physics in 1933 and in 2010, respectively. Dirac electrons behave like photons rather than electrons, for ...
Condensed Matter
Mar 14, 2024
0
2445
Researchers prove fundamental limits of electromagnetic energy absorption
Electrical engineers at Duke University have determined the theoretical fundamental limit for how much electromagnetic energy a transparent material with a given thickness can absorb. The finding will help engineers optimize ...
Optics & Photonics
Mar 14, 2024
0
1631
Quantum dance to the beat of a drum: Researchers observe how energy of single electron is tuned by surrounding atoms
Physicists at the University of Regensburg have choreographed the shift of a quantized electronic energy level with atomic oscillations faster than a trillionth of a second.
Optics & Photonics
Mar 14, 2024
0
2802
Researchers develop a new type of frequency comb that promises to further boost the accuracy of timekeeping
Chip-based devices known as frequency combs, which measure the frequency of light waves with unparalleled precision, have revolutionized timekeeping, the detection of planets outside of our solar system and high-speed optical ...
Optics & Photonics
Mar 14, 2024
0
118
Researchers discover new yttrium-hydrogen compounds with implications for high-pressure superconductivity
Researchers at the University of Bayreuth have made a significant scientific breakthrough by identifying new yttrium-hydrogen compounds, a discovery that has serious implications for research on high-pressure superconductivity. ...
Condensed Matter
Mar 14, 2024
0
22
A theory linking ignition with flame provides roadmap to better combustion engines
In a study published on January 18, 2024 in the journal Physics of Fluids, researchers from Tohoku University theoretically linked ignition and deflagration in a combustion system, unlocking new configurations for stable, ...
General Physics
Mar 14, 2024
0
208
Exotic molecules embedded into continuum refuse to break apart, defying initial expectations
Researchers have unveiled the extraordinary behavior of weakly-bound three-atomic molecules, defying conventional understanding of quantum mechanics. In a study recently published in Nature Communications, a team of scientists ...
Quantum Physics
Mar 14, 2024
1
76
Scientists reveal the first unconventional superconductor that can be found in mineral form in nature
Scientists from Ames National Laboratory have identified the first unconventional superconductor with a chemical composition also found in nature. Miassite is one of only four minerals found in nature that act as a superconductor ...
Superconductivity
Mar 13, 2024
1
257