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Breakthrough   The discovery may lead to a giant leap in quantum computers

New invention from Finland revolutionizes heat transport

Heat transportScientists at Aalto University, Finland succeeded in transporting heat maximally effectively ten thousand times further than ever before.

The discovery may lead to a giant leap in the development of quantum computers.

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Heat conduction is a fundamental physical phenomenon utilized, for example, in clothing, housing, car industry, and electronics. Thus our day-to-day life is inevitably affected by major shocks in this field.

The research group, led by quantum physicist Mikko Möttönen has now made one of these groundbreaking discoveries.

This new invention revolutionizes quantum-limited heat conduction which means as efficient heat transport as possible from point A to point B. This is great news especially for the developers of quantum computers.

Quantum technology is still a developing research field, but its most promising application is the super-efficient quantum computer. In the future, it can solve problems that a normal computer can never crack.

The efficient operation of a quantum computer requires that it can be cooled down efficiently. At the same time, a quantum computer is prone to errors due to external noise.

Möttönen's innovation may be utilized in cooling quantum processors very efficiently and so cleverly that the operation of the computer is not disturbed.

"Our research started already in 2011 and advanced little by little. It feels really great to achieve a fundamental scientific discovery that has real practical applications", Professor Mikko Möttönen rejoices.

In the QCD Labs in Finland, Möttönen's research group succeeded in measuring quantum-limited heat transport over distances up to a meter. A meter doesn't sound very long at first, but previously scientists have been able to measure such heat transport only up to distances comparable to the thickness of a human hair.

"For computer processors, a meter is an extremely long distance. Nobody wants to build a larger processor than that", stresses Möttönen.




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