Deriving the fundamental limit of heat current in quantum mechanical many-particle systems

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Deriving the fundamental limit of heat current in quantum mechanical many-particle systems
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Researchers from the University of Tsukuba have mathematically derived the fundamental limit of heat current flowing into a quantum system comprising numerous quantum mechanical particles in relation to the particle count.

and quantum batteries, leveraging quantum characteristics, have been theoretically studied and practically tested.

A critical indicator of the performance of such devices is the magnitude of heat current flowing from the ambient environment to the quantum system as the system's size increases. However, the fundamental limit of the heat current flowing into such an ensemble of quantum systems remains undefined., the researchers mathematically derived a novel inequality that defines the limit of the heat current flowing into a quantum system.

incorporates increasing number of particles, the heat current flowing into the system does not rise faster than a cubic function of the particle count.

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