Abstract
In this chapter, I see some aspects of the TPQ formulation. Regarding macroscopic quantities, the TPQ states behave in the same way as the Gibbs states do. However, these two states are different when we look at the representation of the fluctuation and the quantum entanglement.
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Sugiura, S. (2017). Equilibrium State and Entanglement. In: Formulation of Statistical Mechanics Based on Thermal Pure Quantum States. Springer Theses. Springer, Singapore. https://doi.org/10.1007/978-981-10-1506-9_5
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DOI: https://doi.org/10.1007/978-981-10-1506-9_5
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