Spectral bounds on entropy and ergotropy via statistical effective temperature in classical polarization and quantum thermal states
We formulate a unified definition of the statistical effective temperature (SET), τ_{d}, for finite-dimensional classical and quantum systems, using dimension-dependent indices of purity derived from the eigenvalue spectrum. This spectral approach bypasses the need for Hamiltonians or energy gaps an...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
American Physical Society
2025-08-01
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| Series: | Physical Review Research |
| Online Access: | http://doi.org/10.1103/fhqs-g7c6 |
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