News tagged with quantum physicists
Physicists resolve a paradox of quantum theory
Jan 14, 2009 |
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University of Toronto quantum physicists Jeff Lundeen and Aephraim Steinberg have shown that Hardy's paradox, a proposal that has confounded physicists for over a decade, can be confirmed and ultimately resolved, a task which ...
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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 ...
Physicists make discovery in quantum mechanics
Sep 23, 2009 |
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(Santa Barbara, Calif.) -- Physicists at UC Santa Barbara have made an important advance in quantum mechanics using a superconducting electrical circuit. The finding is reported in this week's issue of the journal Nature.
Straightening messy correlations with a quantum comb
Nov 23, 2009 |
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Quantum computing promises ultra-fast communication, computation and more powerful ways to encrypt sensitive information. But trying to use quantum states as carriers of information is an extremely delicate ...
Quantum ghosts are helpful
Apr 27, 2009 |
3.5 / 5 (19) |
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(PhysOrg.com) -- The idea that far distant particles can somehow 'talk' to each other worried Einstein so much that he called it 'spooky action at a distance'.
UCSB physicists move one step closer to quantum computing
Nov 20, 2009 |
5 / 5 (9) |
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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 ...
Quantum measurements: Common sense is not enough
Jul 22, 2009 |
4.1 / 5 (19) |
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(PhysOrg.com) -- In comparison to classical physics, quantum physics predicts that the properties of a quantum mechanical system depend on the measurement context, i.e. whether or not other system measurements ...
Entanglement without Classical Correlations
Aug 27, 2008 |
4.1 / 5 (60) |
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Quantum mechanics is full of counterintuitive concepts. The idea of entanglement – when two or more particles instantaneously exhibit dependent characteristics when measured, no matter how far apart they are – is one of them. ...
Physicists Demonstrate Quantum Memory with Matter Qubits
Jul 03, 2009 |
4.3 / 5 (21) |
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(PhysOrg.com) -- For the first time, scientists have successfully operated a quantum gate between two remote particles of matter, marking an important step toward the development of a quantum computer. In ...
Physicists working up from atoms to Schrodinger's cat
Jan 28, 2009 |
4.2 / 5 (19) |
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(PhysOrg.com) -- Schrodinger's cat, a macroscopic object that is both alive and dead at the same time, illustrates the strangeness of quantum mechanics. While such quantum properties have been widely observed for electrons ...
Physicists offer new theory for iron compounds
Mar 12, 2009 |
4.9 / 5 (7) |
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An international team of physicists from the United States and China this week offered a new theory to both explain and predict the complex quantum behavior of a new class of high-temperature superconductors.
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