University of California, Berkeley, scientists have proved a fundamental relationship between energy and time that sets a "quantum speed limit" on processes ranging from quantum computing and tunneling to optical switching.
Quantum Physics
Jan 22, 2015
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In the quantum world, the famous Heisenberg uncertainty principle bounds the product of the variances of two incompatible observables such as the position and the momentum of a particle by the Planck constant. Heisenberg, ...
Quantum Physics
Jan 5, 2015
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(Phys.org) —Caltech researchers have found a way to make measurements that go beyond the limits imposed by quantum physics.
Quantum Physics
May 15, 2014
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Nearly 90 years after Werner Heisenberg pioneered his uncertainty principle, a group of researchers from three countries has provided substantial new insight into this fundamental tenet of quantum physics with the first rigorous ...
Quantum Physics
Apr 29, 2014
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CMS has improved the constraints on the Higgs width, a fundamental property of this unique new particle, by more than two orders of magnitude.
General Physics
Apr 2, 2014
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(Phys.org) —A team of researchers working in Australia has used "squeezed light" to enhance the sharpness of images produced using photonic force microscopy. In their paper published in Physical Review Letters, the team ...
(Phys.org)—A team of researchers with members from Hokkaido and Osaka Universities in Japan has used quantum entanglement of photons to improve image results created using differential interference contrast microscopy. ...
(Phys.org) —A team of physicists is challenging the very limits of Heisenberg's famous uncertainty principle by measuring quantum particles with unprecedented accuracy.
Quantum Physics
Feb 5, 2014
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Thanks to two studies published in Nature last Thursday, the chance of successful teleportation has considerably increased. Which is a good thing, right?
Quantum Physics
Aug 21, 2013
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To describe the microscopic properties of matter and its interaction with the external world, quantum mechanics uses wave functions, whose structure and time dependence is governed by the Schrödinger equation. In atoms, ...
Quantum Physics
May 22, 2013
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