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(Phys.org) —With the goal of understanding the relation between thermodynamics and quantum mechanics, physicists have recently been investigating the fundamental limits of the smallest possible quantum refrigerator. As a refrigerator, the device must be able to transfer heat from one reservoir to another. In a new study, physicists have proposed a quantum refrigerator consisting of just four quantum dots, each in contact with a thermal reservoir. They theoretically show that this system can extract heat from the coldest reservoir and cool the nearby quantum dot, making it one of the smallest quantum refrigerators proposed to date.
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(Phys.org) —With the goal of understanding the relation between thermodynamics and quantum mechanics, physicists have recently been investigating the fundamental limits of the smallest possible quantum refrigerator. As a refrigerator, the device must be able to transfer heat from one reservoir to another. In a new study, physicists have proposed a quantum refrigerator consisting of just four quantum dots, each in contact with a thermal reservoir. They theoretically show that this system can extract heat from the coldest reservoir and cool the nearby quantum dot, making it one of the smallest quantum refrigerators proposed to date.
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