Extremely accurate measurements of microwave signals can potentially be used for data encryption based on quantum cryptography and other purposes.
Nanophysics
Oct 31, 2016
0
13
There is a gap in the theory explaining what is happening at the macroscopic scale, in the realm of our everyday lives, and at the quantum level, at microscopic scale. In this paper published in EPJ D , Holger Hofmann from ...
Quantum Physics
Jun 7, 2016
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54
Theoretical chemists at Princeton University have pioneered a strategy for modeling quantum friction, or how a particle's environment drags on it, a vexing problem in quantum mechanics since the birth of the field. The study ...
Quantum Physics
May 16, 2016
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142
One of the oddest predictions of quantum theory – that a system can't change while you're watching it – has been confirmed in an experiment by Cornell physicists. Their work opens the door to a fundamentally new method ...
Quantum Physics
Oct 23, 2015
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34904
(Phys.org)—In 1975, Swedish physicist Göran Lindblad developed a theorem that describes the change in entropy that occurs during a quantum measurement. Today, this theorem is a foundational component of quantum information ...
Thermal imaging, microscopy and ultra-trace sensing could take a quantum leap with a technique developed by researchers at the Department of Energy's Oak Ridge National Laboratory.
Optics & Photonics
Apr 23, 2015
6
133
(Phys.org)—It was an interesting week for physics as Popper's experiment was realized again, by a different team this time, using a different approach, causing physicists to wonder what it actually means because the results ...
(Phys.org)—It was a very busy week for physics research. A team of scientists has set a quantum speed limit—the group at the University of California found a way to prove a fundamental relationship between energy and ...
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
6
3904
(Phys.org)—It was an interesting week for findings in the physics world as one team of researchers made quantum physics less complicated by demonstrating that two features of the quantum world are actually the same thing—turns ...
