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A Study of Entropy Change in a Spin Quantum System
Department of Mathematics, University of Texas, Edinburg, TX, USA
- 1 Department of Mathematics, University of Texas, Edinburg, TX, USA
Journal of Modern Physics·Volume 14 (2023)·Pages 1034–1044·Published 16 June 2023·DOI10.4236/jmp.2023.147057
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Abstract
The entropy change in a spin system coupled to a magnetic field is investigated by solving an evolution equation for a quantum spin system. Entropy of the system is discussed and the exchange of entropy between the spins and field can be studied. The full quantum treatment of spins and field shows that the coherent nature of this field is very important for reaching the spin echo.
KeywordsSpinFieldQuantumEntropyCoherentIntegrable
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