News tagged with states
Using superconducting probes to get a picture of what it's like inside CNTs
Nov 20, 2009 |
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(PhysOrg.com) -- "Carbon nanotubes are exciting for fundamental physics, and for potential technological applications," Nadya Mason tells PhysOrg.com. "However, we are generally limited in the way that we can study them. ...
Could Maxwell's Demon Exist in Nanoscale Systems?
Jun 24, 2009 |
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(PhysOrg.com) -- Maxwell’s demon may be making a comeback. Physicists know that the demon, an imaginary creature that decreases the entropy of a system, cannot exist in macroscopic systems due to the energy ...
Measuring quantum information without destroying it
Jan 15, 2009 |
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(PhysOrg.com) -- One of the Holy Grails - so to speak - of science involves building quantum computers that can perform, with accuracy, the computations too advanced and too large for classical computers. While we remain ...
Scientists Extend the Lifetime of Quantum Memory
Jan 02, 2009 |
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(PhysOrg.com) -- Storing and sending information using quantum phenomena is one of the hottest areas of research today; scientists across the globe are investigating how to make quantum communication possible for real-life ...
Fock states could hold clues to quantum memory components
Dec 23, 2008 |
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(PhysOrg.com) -- “Fock states will play a role in the future of quantum computing,” Andrew Cleland tells PhysOrg.com. “We have completed the first experimental measurement of the time decay of Fock states in a superconducting quantu ...
Getting many quantum states from one experimental setup
Jul 15, 2008 |
4.3 / 5 (35) |
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(PhysOrg.com) -- “In the traditional approach to entanglement with linear optics, one designs a new setup for each single state that you want,” Witlef Wieczorek tells PhysOrg.com. “What we’ve done is to mak ...
Research pokes holes in Hubbard model: Could help solve enigma of high-temperature superconductors
Aug 19, 2009 |
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New UBC research has literally and figuratively poked holes in single-band Hubbard physics--a model that has been used to predict and calculate the behavior of high-temperature superconductors for 20 years.
Physicists find way to control individual bits in quantum computers
Jul 07, 2009 |
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Physicists at the National Institute of Standards and Technology have overcome a hurdle in quantum computer development, having devised a viable way to manipulate a single "bit" in a quantum processor without ...
Manipulating light on a chip for quantum technologies
Jun 05, 2009 |
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(PhysOrg.com) -- A team of physicists and engineers at Bristol University has demonstrated exquisite control of single particles of light — photons — on a silicon chip to make a major advance towards long-sought-after ...
Long-distance brain waves focus attention (w/Video)
Medicine & Health / Neuroscience
May 28, 2009 |
4.3 / 5 (6) |
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(PhysOrg.com) -- Just as our world buzzes with distractions -- from phone calls to e-mails to tweets -- the neurons in our brain are bombarded with messages. Research has shown that when we pay attention, some of these neurons ...
Graphene Yields Secrets to Its Extraordinary Properties
May 14, 2009 |
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(PhysOrg.com) -- Applying innovative measurement techniques, researchers from the Georgia Institute of Technology and the National Institute of Standards and Technology have directly measured the unusual energy ...
Putting the squeeze on an old material could lead to 'instant on' electronic memory
Apr 16, 2009 |
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(PhysOrg.com) -- The technology of storing electronic information - from old cassette tapes to shiny laptop computers - has been a major force in the electronics industry for decades.
Scientists demonstrate laser with controlled polarization
Apr 13, 2009 |
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Applied scientists at the Harvard School of Engineering and Applied Sciences (SEAS) in collaboration with researchers from Hamamatsu Photonics in Hamamatsu City, Japan, have demonstrated, for the first time, ...
Study: Learning Science Facts Doesn't Boost Science Reasoning
Jan 29, 2009 |
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(PhysOrg.com) -- A study of college freshmen in the United States and in China found that Chinese students know more science facts than their American counterparts -- but both groups are nearly identical when it comes to ...
Scientists prove unconventional superconductivity in new iron arsenide compounds
Jan 09, 2009 |
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(PhysOrg.com) -- Scientists at U.S. Department of Energy's Argonne National Laboratory used inelastic neutron scattering to show that superconductivity in a new family of iron arsenide superconductors cannot ...
