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Everything about Quantum Thermodynamics totally explained

In the physical sciences, quantum thermodynamics is the study of heat and work dynamics in quantum systems. Approximately, quantum thermodynamics attempts to combine thermodynamics and quantum mechanics into a coherent whole. The essential point at which "quantum mechanics" began was when, in 1900, Max Planck outlined the "quantum hypothesis", for example that the energy of atomic systems can be quantized, as based on the first two laws of thermodynamics as described by Rudolf Clausius (1865) and Ludwig Boltzman (1877). See the history of quantum mechanics for a more detailed outline.

Overview

A central objective in quantum thermodynamics is the quantitative and qualitative determination of the laws of thermodynamics at the quantum level in which uncertainty and probability begin to take effect. A fundamental question is: what remains of thermodynamics if one goes to the extreme limit of small quantum systems having a few degrees of freedom? If thermodynamics applies at this level, are the many formulations of the second law of thermodynamics, for example the entropy of a closed system can't decrease, heat flows from high to low temperature, systems evolve towards minimum potential energy wells, energy tends to dissipate, etc., still applicable, or is there a more “universal” formulation?

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