News tagged with quantum systems
Related topics: quantum computing , physical review letters , quantum information , quantum state
Advances in mathematical description of motion
Complex mathematical investigation of problems relevant to classical and quantum mechanics by EU-funded researchers has led to insight regarding instabilities of dynamic systems. This is important for descriptions ...
May 29, 2012 |
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A magnetic approach to lattices
(Phys.org) -- JQI experimentalists under the direction of Ian Spielman are in the business of using lasers to create novel environments for neutral atoms. For instance, this research group previously enticed ...
May 22, 2012 |
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Towards hybrid quantum systems
EU-funded scientists made advances in the development of a hybrid quantum system (HQS) by combining different quantum technologies.
May 16, 2012 |
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Simplicity and quantum complexity
Simulations of reality would require less memory on a quantum computer than on a classical computer, new research from scientists at the University of Bristol, published in Nature Communications, has shown.
May 04, 2012 |
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Raising the prospects for quantum levitation
More than half-a-century ago, the Dutch theoretical physicist Hendrik Casimir calculated that two mirrors placed facing each other in a vacuum would attract. The mysterious force arises from the energy of virtual particles ...
Apr 18, 2012 |
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Trade-off coding for quantum communication provides more benefits than previously thought
(Phys.org) -- In optical communication systems, the overall performance depends on the strategy used to transmit photons from one location to another. In previous attempts to optimize this performance, scientists ...
Apr 16, 2012 |
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Micromechanical mirror performs under pressure... of light
(Phys.org) -- A team of scientists from PML's Quantum Measurement Division has designed and tested a novel device that may lead to substantial progress in the new and fast-moving field of optomechanics.
Apr 06, 2012 |
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Highest honors for quantum computer pioneer
Experimental physicist Rainer Blatt from the Institute for Quantum Optics and Quantum Information (IQOQI) in Innsbruck, Austria, will receive the Stern-Gerlach Medal of the German Physical Society. The medal ...
Mar 23, 2012 |
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Standoff sensing enters new realm with dual-laser technique
(PhysOrg.com) -- Identifying chemicals from a distance could take a step forward with the introduction of a two-laser system being developed at the Department of Energy's Oak Ridge National Laboratory.
Mar 22, 2012 |
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Quantum copies do new tricks
One of the strange features of quantum information is that, unlike almost every other type of information, it cannot be perfectly copied. For example, it is impossible to take a single photon and make a number of photons ...
Mar 22, 2012 |
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Simulating strongly correlated fermions opens the door to practical superconductor applications
Combining known factors in a new way, theoretical physicists Boris Svistunov and Nikolai Prokof'ev at the University of Massachusetts Amherst, with three alumni of their group, have solved an intractable 50-year-old ...
Mar 18, 2012 |
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Electrical circuits talk to single atoms
(PhysOrg.com) -- If a practical quantum computer is ever to be realized, conventional electronic devices will have to interface with the delicate quantum systems such as atoms or ions in traps or wisps of ...
Mar 06, 2012 |
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Argon cleaning helps trapped ions chill out
(PhysOrg.com) -- The reliability of trapped-ion quantum information systems – a promising candidate technology for an eventual quantum computer – can be dramatically improved by giving the trap electrodes ...
Feb 28, 2012 |
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Vaccines for HIV: A new design strategy
HIV has eluded vaccine-makers for thirty years, in part due to the virus' extreme ability to mutate. Physical scientists and clinical virologists from the Massachusetts Institute of Technology (MIT) and the Ragon Institute ...
Feb 23, 2012 |
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Nanotube-based terahertz polarizer nears perfection
(PhysOrg.com) -- Researchers at Rice University are using carbon nanotubes as the critical component of a robust terahertz polarizer that could accelerate the development of new security and communication ...
Jan 30, 2012 |
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