Open Quantum Physics and Environmental Heat Conversion into Usable Energy (Volume 2)

What is it about?

The climax of the book is the theory of a semiconductor device radiating a coherent electromagnetic field by heat absorption from the environment, in spite of the second law of thermodynamics of the entropy increase, which is valid only for molecular systems. I show that the entropy of a matter-field system, in some conditions, can also spontaneously decrease. I present the theoretical fundamentals of this theory, mainly a quantum master equation for a system of Fermions, which besides the Hamiltonian dynamics, describes a dissipative dynamics, of correlated transitions with environmental particles, depending on interaction matrix elements, densities of the environmental states, and occupation probabilities of these states.

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Why is it important?

The theoretical description of a physical mechanism for the environmental heat conversion into usable energy: in a sequence of quantum n-p junctions, connected by p-n Ohmic junctions, an electron traversing a sufficiently large number of n-p junctions, by quantum transitions generates a sufficiently large number of photons. In this process the lower states in the p regions are enhanced and the higher states in the n regions are depleted. The Ohmic p-n junctions, thus becoming colder, absorb environmental heat, which excites electrons from the p regions back into the n regions, where they are ready for new superradiant transitions. I present the whole quantum and statistical theory for describing these processes in detail.

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