News tagged with quantum information
Related topics: quantum computing , quantum state , quantum mechanics , physical review letters , atoms
Physicists propose quantum entanglement for motion of microscopic objects
Researchers at the California Institute of Technology (Caltech) have proposed a new paradigm that should allow scientists to observe quantum behavior in small mechanical systems.
Dec 21, 2009 |
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Proposed Spacetime Structure Could Provide Hints for Quantum Gravity Theory
(PhysOrg.com) -- Spacetime, which consists of three dimensions of space and one time dimension, is such a large, abstract concept that scientists have a very difficult time understanding and defining it. Moreover, ...
Dec 16, 2009 |
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Google Collaborates with D-Wave on Possible Quantum Image Search
(PhysOrg.com) -- Always on the cutting edge of new computing technologies, Google has recently announced that it is investigating the use of quantum computing schemes to achieve faster image recognition rates. ...
Dec 15, 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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Visual assistance for cosmic blind spots
A bit of imagination on the part of a measuring instrument wouldn't be a bad thing. It could help to add data from areas where the instrument is unable to measure. However, it must do so constructively. In ...
Nov 23, 2009 |
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JQI researchers create entangled photons from quantum dots
To exploit the quantum world to the fullest, a key commodity is entanglement—the spooky, distance-defying link that can form between objects such as atoms even when they are completely shielded from one another. Now, physicists ...
Nov 18, 2009 |
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First Bose-Einstein condensation of strontium
In an international first, scientists from the Institute of Quantum Optics and Quantum Information (IQOQI, Austria) produced a Bose-Einstein condensate of the alkaline-earth element strontium, thus narrowly ...
Nov 09, 2009 |
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Physicists Demonstrate Three-Color Entanglement
(PhysOrg.com) -- For the first time, physicists have demonstrated the quantum entanglement of three light beams, all of different wavelengths. Entanglement of two light beams of different wavelengths has already ...
Oct 07, 2009 |
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Building a better qubit: Combining 6 photons together results in highly robust qubits
Exploiting quantum mechanics for transmitting information is a tantalizing possibility because it promises secure, high speed communications. Unfortunately, the fragility of methods for storing and sending ...
Oct 05, 2009 |
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Physicists work to understand atomic collisions important to ultracold quantum gasses
A Kansas State University physicist is continuing his study of atomic collisions with the help of a National Science Foundation grant awarded under the American Recovery and Reinvestment Act.
Sep 30, 2009 |
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Physicists Investigate Unusual Four-Qubit Entanglement
(PhysOrg.com) -- For the first time, physicists have experimentally demonstrated a four-qubit bound-entangled state - a peculiar form of entanglement that cannot be distilled (optimized) by the usual means. ...
Sep 30, 2009 |
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Diamonds May Be the Ultimate MRI Probe, Say Quantum Physicists
(PhysOrg.com) -- Diamonds, it has long been said, are a girl's best friend. But a research team including a physicist from the National Institute of Standards and Technology has recently found that the gems ...
Sep 22, 2009 |
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First-ever calculation performed on optical quantum computer chip
(PhysOrg.com) -- A primitive quantum computer that uses single particles of light (photons) whizzing through a silicon chip has performed its first mathematical calculation. This is the first time a calculation ...
Sep 03, 2009 |
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Pushing quantum mechanics to higher levels
Scientists at UC Santa Barbara have devised a new type of superconducting circuit that behaves quantum mechanically -- but has up to five levels of energy instead of the usual two. The findings are published ...
Aug 11, 2009 |
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Sustained quantum information processing demonstrated
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 ...
Aug 06, 2009 |
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