Search results for spin:
Researchers Design Triple Quantum Dot for Quantum Information Applications
Nov 30, 2009 |
4.7 / 5 (18) |
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(PhysOrg.com) -- While quantum dots have existed since the 1980s, only in the past decade have physicists successfully created lateral few-electron single quantum dots. These quantum dots enable physicists ...
What Comes After Hard Drives?
Oct 23, 2009 |
4.1 / 5 (34) |
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(PhysOrg.com) -- The ability to store and retrieve data is an important component of today's computers, as well as other modern electronic devices such as cell phones, video game consoles, and camcorders. ...
Proposed Quantum Computer Consists of Billions of Electron Spins
Sep 09, 2009 |
4.5 / 5 (26) |
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(PhysOrg.com) -- While researchers have already demonstrated the building blocks for few-bit quantum computers, scaling these systems up to large quantum computers remains a challenge. One of the biggest problems ...
Magnetic monopoles detected in a real magnet for the first time
Sep 03, 2009 |
4.6 / 5 (47) |
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Researchers from the Helmholtz Centre Berlin, in cooperation with colleagues from Dresden, St. Andrews, La Plata and Oxford, have for the first time observed magnetic monopoles and how they emerge in a real ...
Physicist Proposes Solution to Arrow-of-Time Paradox
Aug 27, 2009 |
4.2 / 5 (73) |
108
(PhysOrg.com) -- Entropy can decrease, according to a new proposal - but the process would destroy any evidence of its existence, and erase any memory an observer might have of it. It sounds like the plot ...
New Law of Physics Could Explain Quantum Mysteries
Aug 17, 2009 |
4.5 / 5 (98) |
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(PhysOrg.com) -- Since the early days of quantum mechanics, scientists have been trying to understand the many strange implications of the theory: superpositions, wave-particle duality, and the observer’s ...
Physicists Propose a Method to Observe Dirac Monopoles
Jul 28, 2009 |
4.6 / 5 (18) |
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(PhysOrg.com) -- For decades, scientists have been intrigued by the hypothetical existence of magnetic monopoles - particles with only a north or south magnetic pole, thus having a nonzero magnetic charge. ...
Scientists report significant advances in flexible electronics research
Nanotechnology / Nanomaterials
Jun 18, 2009 |
4.8 / 5 (9) |
1
In work that represents a key step toward bringing bendable, flexible electronic devices into our homes and businesses, Stanford University researchers have created very thin, high-performance transistors using networks of ...
Rotating Space Elevator Propels its Own Load
May 21, 2009 |
4.6 / 5 (44) |
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(PhysOrg.com) -- The idea of the space elevator just got a little crazier. While the “traditional” concept involved using rocket propulsion or laser light pressure to propel loads up a cable anchored to Earth, ...
Physicists Detect Single-Electron Tunneling with Quantum Dots
May 06, 2009 |
3.9 / 5 (17) |
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(PhysOrg.com) -- Detecting the coherent motion of a single electron is a challenge, for the simple reason of scale: the timescale of the coherent motion of a single-electron wave function is in the picosecond ...
Can R2 gravity explain dark matter?
Apr 20, 2009 |
3.4 / 5 (63) |
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(PhysOrg.com) -- "In many ways, the standard model of cosmology works very well," Jose Cembranos tells PhysOrg. "However, there are very basic features that we just do not know. We have dark energy and dark matter. They d ...
Scientists build 'single-atom transistor'
Dec 06, 2009 |
4.9 / 5 (31) |
2
(PhysOrg.com) -- Researchers from Helsinki University of Technology (Finland), University of New South Wales (Australia), and University of Melbourne (Australia) have succeeded in building a working transistor, ...
Facebook profiles capture true personality, according to new psychology research
Medicine & Health / Psychology & Psychiatry
Dec 01, 2009 |
5 / 5 (3) |
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Online social networks such as Facebook are being used to express and communicate real personality, instead of an idealized virtual identity, according to new research from psychologist Sam Gosling at The University of Texas ...
Spin polarization achieved in room temperature silicon
Nov 27, 2009 |
4.8 / 5 (19) |
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(PhysOrg.com) -- A group in The Netherlands has achieved a first: injection of spin-polarized electrons in silicon at room temperature. This has previously been observed only at extremely low temperatures, ...
UCSB physicists move one step closer to quantum computing
Nov 20, 2009 |
5 / 5 (8) |
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Physicists at UC Santa Barbara have made an important advance in electrically controlling quantum states of electrons, a step that could help in the development of quantum computing. The work is published ...
