News tagged with quantum simulator
Physicists benchmark quantum simulator with hundreds of qubits
Physicists at the National Institute of Standards and Technology have built a quantum simulator that can engineer interactions among hundreds of quantum bits (qubits) -- 10 times more than previous devices. ...
Apr 25, 2012 |
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How quantum physics could make 'The Matrix' more efficient
Researchers have discovered a new way in which computers based on quantum physics could beat the performance of classical computers. The work, by researchers based in Singapore and the UK, implies that a Matrix-like ...
Mar 29, 2012 |
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Dance like a neutrino: Quantum scheme to simulate neutrino oscillations
The behaviour of some of the most elusive particles in the known universe can be simulated using three atoms in a lab, researchers at the Centre for Quantum Technologies (CQT) at the National University of Singapore have ...
Mar 21, 2012 |
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Hints of universal behavior seen in exotic three-atom states
A novel type of inter-particle binding predicted in 1970 and observed for the first time in 2006, is forming the basis for an intriguing kind of ultracold quantum chemistry. Chilled to nano-kelvin temperatures, ...
Sep 23, 2011 |
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Digital quantum simulator realized
(PhysOrg.com) -- The physicists of the University of Innsbruck and the Institute for Quantum Optics and Quantum Information (IQOQI) in Innsbruck have come considerably closer to their goal to investigate complex ...
Sep 01, 2011 |
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U.Va.'s Pfister accomplishes breakthrough toward quantum computing
A sort of Holy Grail for physicists and information scientists is the quantum computer. Such a computer, operating on the highly complex principles of quantum mechanics, would be capable of performing specific calculations ...
Jul 15, 2011 |
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Learning more about phase transitions in small systems
(PhysOrg.com) -- "People want to understand phase transitions in a finite system by quantum simulation," Luming Duan tells PhysOrg.com. Duan is a professor at the University of Michigan, located in Ann Arbor. "Being able t ...
Jun 23, 2011 |
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Quantum simulator prototype replicates structure of graphene
(PhysOrg.com) -- A team of researchers from Columbia Engineering, the Italian National Research Council, Princeton University, University of Missouri, and University of Nijmegen (Netherlands) has developed an artificial semiconductor ...
Jun 07, 2011 |
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A quantum pen for single atoms
(PhysOrg.com) -- German physicists at the Max Planck Institute of Quantum Optics succeeded in manipulating atoms individually in a lattice of light and in arranging them in arbitrary patterns. These results ...
Mar 23, 2011 |
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Physicists investigate fate of five-dimensional black strings
(PhysOrg.com) -- While black holes in four-dimensional space-time are stable and can persist for a long time, their higher-dimensional analogues are usually unstable. One such theoretical analogue is a five-dimensional ...
Sep 10, 2010 |
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Cold atoms make microwave fields visible
Using clouds of ultracold atoms, a scientific team at the Max Planck Institute of Quantum Optics (Germany) have made microwave fields visible.
Aug 03, 2010 |
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Quantum entanglement in photosynthesis and evolution
Recently, academic debate has been swirling around the existence of unusual quantum mechanical effects in the most ubiquitous of phenomena, including photosynthesis, the process by which organisms convert light into chemical ...
Jul 21, 2010 |
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World record: German supercomputer simulates quantum computer
A quantum computer could provide an enormous improvement in the processing speed of existing computers. However, as yet they only exist in the laboratory in the form of small prototypes with a capacity of a few bits. They ...
Mar 31, 2010 |
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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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Quantum computer calculates exact energy of molecular hydrogen
In an important first for a promising new technology, scientists have used a quantum computer to calculate the precise energy of molecular hydrogen. This groundbreaking approach to molecular simulations could ...
Jan 10, 2010 |
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