Discovered: A way to bypass Heisenberg's Uncertainty Principle

Started by Seze Mune, March 04, 2013, 10:03:51 AM

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Seze Mune

It could be big news of the world of quantum physics.

According to a pair of scientists from the University of Rochester and the University of Ottawa, there may be a way around Heisenberg's famous Uncertainty Principle.

According to a report published this week in Nature Photonics, a recently developed technique that allows scientists to directly measure the polarization states of light could be the key. The direct measurement technique, developed in 2011, allows scientists to measure the wavefunction – a way of determining the state of a quantum system.

The pair of scientists say the new technique relies on a "trick" that measure the first property of a system, leaving the remaining parties untouched. The careful measurement relies on the "weak measurement" of the first property followed by a "strong measurement" of the second property, the pair writes in the report.

While this is not the first attempt to bypass the limitations presented by the Heisenberg's Uncertainty Principle, it does represent the first time an experiment has demonstrated the possibility of direct measurement. Previously  a technique called quantum tomography, allowed researchers to measure the information contained in these quantum states indirectly. In addition, scientists say the new technique does not require additional computations, a major obstacle with quantum tomography.

The new technique could lead to a new understanding of quantum mechanics and scientists ability to conduct experiments at the quantum level.

Heisenberg's famous Uncertainty Principle, named for Wener Hesienberg, is famous for its conclusion that scientists, in the course of conducting experiments, influence the results. The principle is even more significant with quantum experiments, where it was once thought that there is seemingly an unavoidable tendency of humans to influence the situation and velocity of small particles.

The new technique could play a major role in the future of quantum computers. The pair of scientists say it could provide a feasible option for developing computer systems capable of processing computations at the quantum level.

"These results are the first direct measurements that are applicable to qubits — the fundamental unit of quantum information," the authors write in Nature Photonics.

Source:  Science Recorder

Tìtstewan

Txantsan! This is a big news!
Just awesome and interesting!

Quamtum computer, I'm waiting you. :)

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