News tagged with quantum physics
Related topics: quantum mechanics , quantum computing , physical review letters , quantum information , quantum state
Apparent roadblock in the development of quantum lithography
(PhysOrg.com) -- Just when it began to appear that scientists had found a viable way around the problem of the blurring that occurs when using masks to create smaller and smaller silicon wafers for computer ...
May 20, 2011 |
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Quantum simulation with light: Frustrations between photon pairs
Researchers of the University of Vienna used a quantum mechanical system in the laboratory to simulate complex many-body systems. This experiment promises future quantum simulators enormous potential insights ...
May 05, 2011 |
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New theory shows one-way transmission materials should be possible for sound and light waves
(PhysOrg.com) -- Physicist Stefano Lepri of the Italian National Research Council and his partner Giulio Casati of the University of Insubria, have published a paper in Physical Review Letters, where they demonstrate throug ...
May 03, 2011 |
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Vienna physicists create quantum twin atoms
At the Vienna University of Technology, sophisticated atomchips have been used to create pairs of quantum mechanically connected atom-twins. Until now, similar experiments were only possible using photons.
May 02, 2011 |
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Researchers take a step toward valleytronics
Valley-based electronics, also known as valleytronics, is one step closer to reality. Two researchers at the Naval Research Laboratory (NRL) have shown that the valley degree of freedom in graphene can be ...
Apr 27, 2011 |
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Electron ping pong in the nano-world
(PhysOrg.com) -- An international team of researchers succeeded at the Max Planck Institute of Quantum Optics to control and monitor strongly accelerated electrons from nano-spheres with extremely short and ...
Apr 25, 2011 |
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Primordial weirdness: Did the early universe have 1 dimension?
(PhysOrg.com) -- Did the early universe have just one spatial dimension? That's the mind-boggling concept at the heart of a theory that University at Buffalo physicist Dejan Stojkovic and colleagues proposed in 2010.
Apr 20, 2011 |
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Probing the laws of gravity: A gravity resonance method
Quantum mechanical methods can now be used to study gravity: At the Vienna University of Technology (TU Vienna), a measurement method was developed, which allows to test the fundamental theories of physics.
Apr 18, 2011 |
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Scientists view a quantum jump in real time
(PhysOrg.com) -- For more than two decades, scientists have been "watching" electrons in atoms make the jump between energy levels in real time. "Atoms have energy levels, and when electrons 'jump' from one level to another, ...
Apr 11, 2011 |
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The 'molecular octopus': A little brother of 'Schroedinger's cat'
For the first time – as presented in Nature Communications - the quantum behaviour of molecules consisting of more than 400 atoms was demonstrated by quantum physicists based at the University of Vienna in collaboration with c ...
Apr 05, 2011 |
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Atom and its quantum mirror image
A team of physicists experimentally produces quantum-superpositions, simply using a mirror.
Apr 05, 2011 |
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Vienna physicists create tap-proof waves
Scientists at the Vienna University of Technology (TU Vienna) have developed a method to steer waves on precisely defined trajectories, without any loss. This way, sound waves could be sent directly to a target, ...
Apr 04, 2011 |
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Quantum mapmakers complete first voyage through spin liquid
(PhysOrg.com) -- Scientists from Oxford University have mapped a state of matter called 'quantum spin liquid', whose existence was proposed in the 1970s but which has only been observed recently.
Apr 01, 2011 |
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Charge it: Neutral atoms made to act like electrically charged particles
(PhysOrg.com) -- Completing the story they started by creating synthetic magnetic fields, scientists from the Joint Quantum Institute (JQI), a collaboration of the National Institute of Standards and Technology a ...
Mar 31, 2011 |
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New laser technology prepares to revolutionize communications
As fiber optic technology continues to advance, it faces challenges from both its physical properties and its use of infrastructure. One emerging high-speed solution being developed at Stevens Institute of Technology uses ...
Mar 28, 2011 |
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