Quantum Coarse-Grained Entropy and Thermalization in Closed Systems.¶
Šafránek, D., Deutsch, J. M., & Aguirre, A. (2019). Quantum Coarse-Grained Entropy and Thermalization in Closed Systems. Physical Review A, 99(1).
Cited by¶
1 citation across 1 artifact.
Primes¶
- Entropy (Thermodynamic Sense)
- Not partition-independent: entropy depends on the chosen coarse-graining (microstate vs mesostate vs macrostate); changing the resolution at which one specifies the macrostate can change entropy estimates
SupportedVerified against the work's full text
The paper defines observational entropy relative to a chosen coarse-graining into macrostates and proves a finer coarse-graining gives lower entropy for the same state.
“the observer with a higher resolution in measurement (a finer coarse- graining) attaches a lower entropy to the same density”
- Not partition-independent: entropy depends on the chosen coarse-graining (microstate vs mesostate vs macrostate); changing the resolution at which one specifies the macrostate can change entropy estimates
Verification¶
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Registry ID ref:1380e1873a2f · see in the full table