In quantum computing, the question as to what physical system and which degrees of freedom within that system may be used to encode quantum bits of information—qubits, in short—is at the heart of many research projects ...
Condensed Matter
Jan 17, 2024
0
3242
A research group led by Prof. Wang Hui from the Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences has introduced a metal-free nanozyme based on graphene quantum dots (GQDs) for highly efficient ...
Bio & Medicine
Jan 10, 2024
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1
Physicists at the University of Duisburg-Essen and their cooperating partners have discovered that tiny graphene sheets can become electromagnets under infrared radiation. The study is published in the journal Nature Communications.
Nanophysics
Dec 4, 2023
1
64
Identifying whether and how a nanoparticle and protein will bind with one another is an important step toward being able to design antibiotics and antivirals on demand, and a computer model developed at the University of ...
Bio & Medicine
Jun 5, 2023
0
127
Quantum dots in semiconductors such as silicon or gallium arsenide have long been considered hot candidates for hosting quantum bits in future quantum processors. Scientists at Forschungszentrum Jülich and RWTH Aachen University ...
Condensed Matter
May 8, 2023
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209
Trapped electrons traveling in circular loops at extreme speeds inside graphene quantum dots are highly sensitive to external magnetic fields and could be used as novel magnetic field sensors with unique capabilities, according ...
Nanophysics
Mar 6, 2023
0
70
Machines and electronic devices often generate waste heat that is difficult to utilize. If electricity could be generated from this waste heat, it would offer a means for a clean and sustainable power production: Such a technology ...
Nanophysics
Jan 18, 2022
1
211
Graphene consists of a planar structure, with carbon atoms connected in a hexagonal shape that resembles a beehive. When graphene is reduced to several nanometers (nm) in size, it becomes a graphene quantum dot that exhibits ...
Quantum Physics
Dec 3, 2021
0
129
Trapping and controlling electrons in bilayer graphene quantum dots yields a promising platform for quantum information technologies. Researchers at UC Santa Cruz have now achieved the first direct visualization of quantum ...
Nanophysics
Nov 24, 2020
1
441
Physicists from MIPT and Vladimir State University, Russia, have converted light energy into surface waves on graphene with nearly 90% efficiency. They relied on a laser-like energy conversion scheme and collective resonances. ...
Nanophysics
Nov 16, 2020
1
190
