(Phys.org) —Can worldwide communication ever be fully secure? Quantum physicists believe they can provide secret keys using quantum cryptography via satellite. Unlike communication based on classical bits, quantum cryptography ...
Quantum Physics
Apr 3, 2013
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(Phys.org) —The next generation of computers promises far greater power and faster processing speeds than today's silicon-based based machines. These "quantum computers"—so called because they would harness the unique ...
General Physics
Mar 27, 2013
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Carbon nanotubes can be used as quantum bits for quantum computers. A study by physicists at the Technische Universitaet Muenchen has shown how nanotubes can store information in the form of vibrations. Up to now, researchers ...
Quantum Physics
Mar 21, 2013
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(Phys.org) —In a new study, physicists have teleported photonic qubits made of pairs of entangled photons that are generated by an LED containing an embedded quantum dot. The novel set-up has advantages compared to the ...
Many discoveries in physics came as a big surprise – for example the phenomenon, that some materials loose almost all their electrical resistance at low temperatures, or that others become superconductors at unexpectedly ...
General Physics
Mar 13, 2013
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(Phys.org) —A team of physicists in Israel has used the scattering of a photon when it strikes an atom to better understand the process of decoherence. In a paper the team has published in the journal Science, the group ...
Surprising connections between very different areas of physics and unexpected spin-offs from theory were explored by quantum physicist Prof. Sir Michael Berry in a lecture entitled "How quantum physics democratised music" ...
Quantum Physics
Mar 7, 2013
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(Phys.org) —Physicists at UC Santa Barbara are manipulating light on superconducting chips, and forging new pathways to building the quantum devices of the future –– including super-fast and powerful quantum computers.
Quantum Physics
Mar 4, 2013
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Recent research offers a new spin on using nanoscale semiconductor structures to build faster computers and electronics. Literally.
Nanophysics
Feb 26, 2013
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Striving for agreement between theory and experiment and pushing the boundaries of precision are important parts of the scientific process.
General Physics
Feb 26, 2013
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