A surprise observation of negative mass in exciton–polaritons has added yet another dimension of weirdness to these strange light-matter hybrid particles.
Optics & Photonics
May 10, 2023
8
576
EPFL engineers have found a way to control the interactions between excitons—quasiparticles that may one day transport data and replace the electrons in electronic devices. The engineers' method involves applying an electric ...
Condensed Matter
May 9, 2023
0
84
In a new study, scientists have observed long-lived excitons in a topological material, opening intriguing new research directions for optoelectronics and quantum computing.
Condensed Matter
Apr 25, 2023
0
135
Perturbing electron spins in a magnet usually results in excitations called "spin waves" that ripple through the magnet like waves on a pond that's been struck by a pebble. In a new study, Rice University physicists and their ...
Condensed Matter
Apr 17, 2023
0
165
How can Marvel movie character Ant-Man produce such strong energy out of his small body? The secret lies in the transistors on his suit that amplify weak signals for processing. Transistors that amplify electrical signals ...
Nanophysics
Apr 14, 2023
0
84
A collaboration of Australian and European physicists predict that layered electronic 2D semiconductors can host a curious quantum phase of matter called the "supersolid."
Condensed Matter
Mar 30, 2023
0
338
Applying hydrostatic pressure as an external stimulus, Tokyo Tech and Keio University researchers demonstrate a new way to regulate singlet fission (SF), a process in which two electrons are generated from a single photon, ...
Analytical Chemistry
Mar 23, 2023
0
105
Excitons are drawing attention as possible quantum bits (qubits) in tomorrow's quantum computers and are central to optoelectronics and energy-harvesting processes. However, these charge-neutral quasiparticles, which exist ...
Quantum Physics
Feb 7, 2023
0
213
An international team of scientists collaborating within the Würzburg-Dresden Cluster of Excellence ct.qmat has achieved a breakthrough in quantum research—the first detection of excitons (electrically neutral quasiparticles) ...
Condensed Matter
Jan 10, 2023
0
200
Researchers are working to improve 2D semiconductors by better understanding dark excitons and how they could be applied to future technologies ranging from quantum computers to next-generation solar panels.
Optics & Photonics
Dec 21, 2022
0
139
