Quantum entanglement was used as fuel in experiments in China

According to the information on the website South China Morning PostA group of Chinese scientists created a quantum engine that can be fueled by a type of ‘quantum entanglement fuel’. The new research is part of efforts by the Academy of Innovation in Precision Measurement Science and Technology of the Chinese Academy of Sciences.

In quantum entanglement, two photons can be separated by large distances, but they remain connected and communicate with each other faster than light; The effect is the same whether 10 meters or 500 million kilometers away. Scientists say they took advantage of the entanglement state and used the reaction as a type of fuel to power the quantum technology engine.

Usually a normal engine runs on conventional combustion, like in cars and airplanes, but a quantum engine uses lasers to switch particles between quantum states.

Like this, Light from lasers is converted into kinetic energy. Theoretically, such technology could exceed the energy potential limit of classical thermodynamics.

“The highlight of our work is the first experimental realization of a quantum engine with entangled properties. [Ele] It has been quantitatively confirmed that entanglement can act as a form of ‘fuel’. We choose the entangled states of two rotating ions as the working substance. [seus] Vibration modes that act as loads. “Through precise adjustments in laser frequency, amplitude and duration, the ions moved from their initial pure state to their highly entangled state,” Zhou Fei, one of the authors of the new study, told the website. SCMP.

Could a quantum entanglement engine power a car?

The new technology could also power large quantum computers, as it has the potential to overcome the limitations of classical thermodynamics. Researchers claim that Maybe these quantum motors can’t store large amounts of energy like car batteries.however, slightly higher amounts can be distributed at one time.

Research by Chinese scientists provides new perspectives on the use of quantum technology. However, more experiments are still needed to fully understand the issue. In all, The paper’s researchers performed more than 10,000 experiments with the quantum engine.

“We measure how well the engine is working by looking at two things: conversion efficiency, which is how many vibrations (phonons) it produces for each light (photon) it uses, and mechanical efficiency, which is how much energy we use. This is despite the mysterious mechanism of quantum entanglement to physicists, in quantum engines “It shows that it acts as a ‘fuel’.” explains Zhou.

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