By superimposing two laser fields of different strengths and frequency, the electron emission of metals can be measured and controlled precisely to a few attoseconds. Physicists from Friedrich-Alexander-Universität Erlangen-Nürnberg ...
Optics & Photonics
Apr 26, 2023
0
65
Moiré patterns occur everywhere. They are created by layering two similar but not identical geometric designs. A common example is the pattern that sometimes emerges when viewing a chain-link fence through a second chain-link ...
Nanophysics
Apr 20, 2023
0
74
The 2022 Nobel Prize in Physics was awarded to Alain Aspect, John Clauser, and Anton Zeilinger for their works on "quantum nonlocality" in quantum mechanics. Quantum nonlocality is a phenomenon where connected particles can ...
Quantum Physics
Apr 19, 2023
0
218
Novel, ultrathin nanomaterials exhibit remarkable properties. If you stack individual atomically thin layers of crystals in a vertical assembly, for example, fascinating physical effects can occur. For instance, bilayers ...
Nanophysics
Mar 28, 2023
0
56
Tunneling reactions in chemistry are difficult to predict. The quantum mechanically exact description of chemical reactions with more than three particles is difficult, with more than four particles it is almost impossible. ...
Quantum Physics
Mar 1, 2023
0
256
In 2018, a team of physicists at Purdue University invented a device which experimentally showed quasiparticles interfering for the first time in the fractional quantum Hall effect at filling factor v=1/3. Further development ...
Condensed Matter
Feb 23, 2023
0
51
The quantum effects of physics have become increasingly important in the advancement of communications, computing and sensing in speed, power and precision like never before.
Quantum Physics
Feb 14, 2023
0
12
A study of the upper atmosphere's composition has successfully measured an increased presence of 18O, a heavier oxygen isotope with 10 instead of eight neutrons. Helmut Wiesemeyer (MPIfR Bonn) and his colleagues have measured ...
Earth Sciences
Feb 2, 2023
0
25
One of the most exciting applications of quantum computers will be to direct their gaze inwards, at the very quantum rules that make them tick. Quantum computers can be used to simulate quantum physics itself, and perhaps ...
Quantum Physics
Jan 23, 2023
1
700
Particles of light—photons—that are forced to interact with each other through specially structured glass demonstrate behavior evocative of the "fractional quantum Hall effect," a phenomenon that garnered the 1998 Nobel ...
Optics & Photonics
Jan 18, 2023
2
329
