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
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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
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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
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139
If you hold one wire mesh on top of another one and look through it, you'll see a larger pattern called a moiré pattern formed by the overlapping grids of the two meshes, which depends on their relative twisted angle. Scientists ...
Quantum Physics
Nov 7, 2022
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314
Physicists have created the first Bose-Einstein condensate—the mysterious fifth state of matter—made from quasiparticles, entities that do not count as elementary particles but that can still have elementary-particle ...
Condensed Matter
Oct 25, 2022
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357
Recent Australian-led research has provided a world's first measurement of interactions between Fermi polarons in an atomically-thin 2D semiconductor, using ultrafast spectroscopy capable of probing complex quantum materials.
Quantum Physics
Oct 20, 2022
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19
Future optical communication that's vastly more reliable and faster than what's commonly available today will require new technology. Modern communication is based on charge transfer, which can result in large transmission ...
Nanophysics
Oct 17, 2022
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10
Transition metal dichalcogenides (TMDCs) are an emerging and promising class of materials comprised of a transition metal atomic layer sandwiched between two layers of chalcogen atoms. These 2D materials have received considerable ...
A research group led by Prof. Wu Kaifeng from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences (CAS), in collaboration with Dr. Peter C. Sercel from the Center for Hybrid Organic Inorganic ...
Optics & Photonics
Sep 9, 2022
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75
Excitons are quasiparticles that are formed in insulators or semiconductors when an electron is promoted to a higher energy band, leaving a positively charged hole behind.
