Australian engineers have discovered a new way of precisely controlling single electrons nestled in quantum dots that run logic gates. What's more, the new mechanism is less bulky and requires fewer parts, which could prove ...
Condensed Matter
Jan 12, 2023
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1351
(PhysOrg.com) -- Recently, at Arizona State University’s Biodesign Institute, N.J. Tao and collaborators have found a way to make a key electrical component on a phenomenally tiny scale. Their single-molecule diode is described ...
Nanophysics
Oct 22, 2009
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0
Raising prospects for building a practical quantum computer, physicists at the National Institute of Standards and Technology have demonstrated sustained, reliable information processing operations on electrically charged ...
Quantum Physics
Aug 6, 2009
1
0
Researchers at EPFL have developed a new technique that can visualize and control the rotation of a handful of spins arranged in a vortex-like texture at the fastest speed ever achieved. The breakthrough can advance "spintronics," ...
Condensed Matter
Jan 27, 2023
0
38
Army researchers predict quantum computer circuits that will no longer need extremely cold temperatures to function could become a reality after about a decade.
Quantum Physics
May 1, 2020
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Computers and similar electronic devices have gotten faster and smaller over the decades as computer-chip makers have learned how to shrink individual transistors, the tiny electrical switches that convey digital information.
Nanophysics
May 30, 2019
2
259
Just over a year ago, the UK government announced an investment of £270m over five years to help get quantum technology out of laboratories and into the marketplace.
Quantum Physics
Dec 16, 2015
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19
To satisfy the world's desire for ever more processing power, at ever diminishing energy cost, in even tinier devices, scientists are looking to spintronics (spin transport electronics) to provide the next generation of high-speed, ...
General Physics
Aug 29, 2013
0
0
Modern-day computers are based on logic circuits using semiconductor transistors. To increase computing power, smaller transistors are required. Moore's Law states that the number of transistors that can fit on an integrated ...
Nanophysics
Jul 10, 2012
25
0
Quantum physics promises faster and more powerful computers, but quantum versions of basic logic functions are still needed to bring this technology to fruition. Researchers from the University of Cambridge and Toshiba Research ...
Quantum Physics
May 18, 2012
1
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