News tagged with correlations
Quantum measurement precision approaches Heisenberg limit
(PhysOrg.com) -- In the classical world, scientists can make measurements with a degree of accuracy that is restricted only by technical limitations. At the fundamental level, however, measurement precision ...
Feb 26, 2010 |
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Not all quantum properties are lost through interaction with the environment
(PhysOrg.com) -- One of the most well-known "rules" of quantum physics is that all quantum properties are lost due to environmental interaction. This rule, though, may not hold true in all situations. "We have discovered ...
Jun 01, 2010 |
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Scientists Model Words as Entangled Quantum States in our Minds
(PhysOrg.com) -- When you hear the word “planet,” do you automatically think of the word’s literal definition, or of other words, such as “Earth,” “space,” “Mars,” etc.? Especially when used in sentences, ...
Feb 18, 2009 |
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Quantum optics breakthrough: New method generates photon triplets
(PhysOrg.com) -- A significant breakthrough spearheaded by University of Queensland, Canadian and Austrian researchers is featured in the latest issue of the journal Nature.
Jul 29, 2010 |
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Catching electrons in the act: Science on the attosecond scale
(PhysOrg.com) -- Understanding how to create artificial photosynthesis, or tough, flexible high-temperature superconductors, or better solar cells, or a myriad other advances, will only be possible when we ...
Apr 16, 2010 |
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Researchers find a country's wealth correlates with its collective knowledge
(PhysOrg.com) -- What causes the large gap between rich and poor countries has been a long-debated question. Previous research has found some correlation between a nation’s economic prosperity and factors ...
Oct 26, 2011 |
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Proposed experiment offers new way to generate macroscopic entanglement
(PhysOrg.com) -- In the development of quantum information processing, one of the key requirements is achieving quantum entanglement. But recently, physicists have been investigating other forms of quantum correlations besides ...
Jan 05, 2012 |
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Quantum correlations -- without entanglement
(PhysOrg.com) -- Few people doubt the "quantumness" of entanglement. Quantifying the quantum correlation of entanglement is something that is relatively regular right now. However, things change a bit when it comes to quantum ...
Aug 24, 2011 |
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Researchers Find Innate Correlations Among Different Power Law Phenomena
(PhysOrg.com) -- Studying the patterns that emerge in natural and social phenomena is a popular area of research, although usually individual phenomena are studied separately from each other. In a recent study, ...
Nov 17, 2009 |
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Post-Quantum Correlations: Exploring the Limits of Quantum Nonlocality
(PhysOrg.com) -- When it comes to nonlocal correlations, some correlations are more nonlocal than others. As the subject of study for several decades, nonlocal correlations (for example, quantum entanglement) ...
May 07, 2009 |
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Simplifying the process of detecting genuine multiparticle entanglement
(PhysOrg.com) -- The ability to entangle particles is considered essential for a number of experiments and applications. While we have seen evidence for quantum entanglement, it is still difficult to detect ...
May 20, 2011 |
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Solving the phase problem in x-ray diffraction
(PhysOrg.com) -- Nearly 100 years ago, in 1912, a paper by Max von Laue made it possible to use x-rays to study the structure of different crystalline substances. He won a Nobel Prize in 1914 for his work, but, even so, the ...
Aug 26, 2009 |
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Quantum guessing game reveals insight into stronger-than-quantum correlations
(PhysOrg.com) -- In information processing, physicists are often in search of ways to turn classical strategies into quantum ones, with the implication that the quantum version is somehow stronger, faster, or more secure ...
Jun 22, 2010 |
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Can a formula predict the outcome of a soccer match?
(PhysOrg.com) -- Soccer, like most sports, is a game full of surprises and lucky or unlucky breaks. After all, if it was easy to predict the winner of a soccer match, there wouldn’t be much reason to watch ...
Mar 05, 2010 |
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Rice's 'quantum critical' theory gets experimental boost
New evidence this week supports a theory developed five years ago at Rice University to explain the electrical properties of several classes of materials -- including unconventional superconductors -- that ...
Jan 11, 2012 |
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