Groundbreaking Experiment Will Test The Limits Of Quantum Theory
[A] consortium has devised an ambitious experiment to test the so-called quantum superposition principle (QSP) – the law that allows microscopic systems to appear in two different, perfectly distinguishable, configurations at the same time. [...] Unproven theories advanced since the 1980s suggest the existence of a universal background 'noise' that destroys QSP of larger objects, such as particles that can be seen using an optical microscope.
The 'Project TEQ' consortium, led by the University of Trieste, in Italy, will test the existence of this noise thanks to a €4.4M (£3.9M) award from the European Commission.
Its experiment will involve a tiny particle of glass, one-thousandth of the width of a human hair, being levitated by an electric field in a vacuum at a temperature close to absolute zero (-273C). A laser will be shot at the particle, and the scattering of the laser's light measured for signs of movement of the particle.
If there is no movement, it means that quantum mechanics still apply at this scale and there is no universal background noise. However, if movement is detected, it indicates the existence of a noise that prevents QSP applying at this scale. This would represent the first observed failure of quantum theory, setting a limit on the scale at which quantum mechanics apply and having implications for large-scale applications of any physical system based on quantum principles.
(Score: -1, Troll) by Anonymous Coward on Friday January 19 2018, @12:07AM (2 children)
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(Score: 5, Funny) by Bot on Friday January 19 2018, @12:13AM (1 child)
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Account abandoned.
(Score: 0) by Anonymous Coward on Friday January 19 2018, @02:16AM
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(Score: 1, Insightful) by Anonymous Coward on Friday January 19 2018, @10:59PM
Interesting, but an error: "This would represent the first observed failure of quantum theory" - no, this would mean there are boundaries beyond which some phenomena will not happen.
This is the case with eg. phonons; the moon and a distant star will never interact with that mechanism. But that doesn't mean the mechanism isn't real, observable. The quantum boundary, if it exists, will be slightly harder to imagine (instead of "too far away to hit with mass", "too large to avoid interacting with noise in a way that collapses probabilities").
But in no way will this be a failure of quantum theory!