News tagged with quantum critical
Scientists See New Mechanism for Superconductivity
Nov 21, 2008 |
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(PhysOrg.com) -- Los Alamos National Laboratory researchers have posited an explanation for superconductivity that may open the door to the discovery of new, unconventional forms of superconductivity.
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Scientists reach milestone in study of emergent magnetism
Jun 18, 2009 |
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(PhysOrg.com) -- Scientists at the U.S. Department of Energy's Argonne National Laboratory and the University of Chicago have reached a milestone in the study of emergent magnetism.
Observing the Quantum Hall Effect in 'Real' Space
Jan 12, 2009 |
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(PhysOrg.com) -- When water transforms into steam, or magnetized iron changes to demagnetized iron, Katsushi Hashimoto explains to PhysOrg.com, a phase transition is taking place: “Classical phase transitions…often share ...
Researchers Design Triple Quantum Dot for Quantum Information Applications
Nov 30, 2009 |
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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 offer new theory for iron compounds
Mar 12, 2009 |
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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.
Relationships Between Quantum Dots - Stability and Reproduction
Oct 20, 2008 |
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(PhysOrg.com) -- Theoretical proof of stable and measurable states extending over two quantum dots and creating offspring has now been provided for the first time. This supports the notion of what is known ...
Quantum effects writ large
Feb 15, 2007 |
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A team of physicists from Rice University, Rutgers University, and the Max Planck Institute for Chemical Physics of Solids in Dresden, Germany, this week reports in the journal Science the discovery of surprising quantum ...
Physical reality of string theory demonstrated
Jul 06, 2009 |
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String theory has come under fire in recent years. Promises have been made that have not been lived up to. Leiden (The Netherlands) theoretical physicists have now for the first time used string theory to describe a physical ...
One step at a time: Motor molecules use random walks to make deliveries in living cells
Jul 21, 2009 |
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Cells rely on tiny molecular motors to deliver cargo, such as mRNA and organelles, within the cell. The critical nature of this transport system is evidenced by the fact that disruption of motors by genetic defects leads ...
Physicists Transcribe Entanglement into and out of a Quantum Memory
Mar 06, 2008 |
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Scientists at the California Institute of Technology have laid the groundwork for a crucial step in quantum information science. They show how entanglement, an essential property of quantum mechanics, can be generated between ...
Monitoring Cancer Cell Changes With Quantum Dots
Nanotechnology / Bio & Medicine
Jul 23, 2009 |
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One of the earliest events that changes a normal cell into a malignant one is known as deoxyribonucleic acid (DNA) hypermethylation, a biochemical alteration that inactivates critical tumor-suppressor genes. A team of investigators ...
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