News tagged with quantum spin
Research group creates longer lived and more efficient quantum memory
(Phys.org) -- One of the main sticking points to creating a true quantum computer capable of performing meaningful work, is the problem of storing quantum state information in memory. Recent efforts have resulted in highly ...
May 30, 2012 |
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Researchers engineer molecular magnets to act as long-lived qubits
(PhysOrg.com) -- Some physicists today are investigating the possibility of using molecular magnets as information storage units in future quantum computers. Molecular magnets are molecules whose magnetic ...
Mar 21, 2012 |
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Could silicon be ideal in quantum computing?
(PhysOrg.com) -- "Quantum computing could provide a way to significantly speed up the way we process certain algorithms," Malcolm Carroll tells PhysOrg.com. "The primary issue, though, is that you need a well controlled two-le ...
Sep 16, 2011 |
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Could the combination of general relativity and quantum mechanics lead to spintronics?
(PhysOrg.com) -- In the early 20th century, two famous discoveries about spin were made. One of them, discovered by Albert Einstein and Wander Johannes de Haas, explains a relationship between the spin of elementary particles. ...
Mar 03, 2011 |
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Sensitivity of precision measurements enhanced by the environment
(PhysOrg.com) -- When it comes to quantum measurements, interaction with the environment usually limits sensitivity, since it causes decoherence. But in a new study, scientists have shown that the environment ...
Apr 27, 2011 |
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Physicists demonstrate 100-fold speed increase in optical quantum memory
(PhysOrg.com) -- As with today's computers, future quantum computers will require more than just quantum information processing; they will also require methods to store and retrieve the quantum information. ...
Apr 01, 2010 |
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Proposed Quantum Computer Consists of Billions of Electron Spins
(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 ...
Sep 09, 2009 |
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Researchers Design Triple Quantum Dot for Quantum Information Applications
(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 ...
Nov 30, 2009 |
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Is space like a chessboard?
(PhysOrg.com) -- Physicists at UCLA set out to design a better transistor and ended up discovering a new way to think about the structure of space.
Mar 18, 2011 |
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New study proves that much-sought exotic quantum state of matter can exist
(PhysOrg.com) -- The world economy is becoming ever more reliant on high tech electronics such as computers featuring fingernail-sized microprocessors crammed with billions of transistors. For progress to ...
Aug 15, 2011 |
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Subatomic quantum memory in diamond demonstrated
Physicists working at the University of California, Santa Barbara and the University of Konstanz in Germany have developed a breakthrough in the use of diamond in quantum physics, marking an important step ...
Jun 27, 2011 |
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Single electron reader opens path for quantum computing
Researchers from University of New South Wales (Australia), University of Melbourne (Australia), and Aalto University (Finland) have succeeded in demonstrating a high-fidelity detection scheme for the magnetic ...
Sep 27, 2010 |
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Getting to know the strong force, one of the four fundamental forces of the universe
(PhysOrg.com) -- In new work, high-energy physicists have observed two long-sought quantum states in the bottomonium family of sub-atomic particles. The result will help researchers better understand one of ...
Mar 31, 2011 |
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Scientists produce a crystal that could help unlock the mystery of high-temperature superconductors
MIT scientists have synthesized, for the first time, a crystal they believe to be a two-dimensional quantum spin liquid: a solid material whose atomic spins continue to have motion, even at absolute zero temperature.
Mar 29, 2011 |
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Quantum mapmakers complete first voyage through spin liquid
(PhysOrg.com) -- Scientists from Oxford University have mapped a state of matter called 'quantum spin liquid', whose existence was proposed in the 1970s but which has only been observed recently.
Apr 01, 2011 |
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