The Quantum Limit Was Achieved As Scientists Cooled Nanoparticles During A New Experiment

Nanoparticles and quantum limit. Scientists have managed to use the nanoparticle to bring it to its quantum limit. How did they do that? The experts have managed to cool the nanoparticle with the aid of quantum mechanics, achieving the ground level of the nanoparticle. In other words, its lowest possible energy level.

Nanoparticle composition

The whole nanoparticle is composed of around 100 million atoms. A nanoparticle is particles between 1 and 100 nanometres in size. The integral part of the nanoscale matter is the interfacial layer.

Nanoparticle cooled to the quantum limit

Based on the motion of the whole nanoparticle, specialists were able to determine the correct temperature to achieve the final result.

They have discovered that the right temperature is 0.000012 of a kelvin. Markus Aspelmeyer of the University of Vienna and his colleagues have achieved the colling of the nanoparticle using the Heisenberg’s uncertainty principle. The uncertainty principle means that there is a limit to how right you can, at the same time, know the position and momentum of an object.

Theory explanation

Quantum mechanics is a science that deals with the behavior of matter and light on the atomic and subatomic scale. However, the quantum mechanics effects denote harder to observe upon larger scales.

Physicists have isolated their impact on other solid objects, such as vibrating membranes or beams in the past, in hopes to understand the theory better. But nanoparticles have the advantage that they can be levitated and precisely controlled with lasers, which was what Aspelmeyer and his team have done. They kept the nanoparticle floating in a specially designated place.

The goal of the experiment

Aspelmeyer and his colleagues’ goal is to use the findings of the nanoparticle study to start new research on how gravity reacts to quantum. “This is the really long-term dream,” said Aspelmeyer.

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