2004/07/31 by F. Hulpke, Florian Hulpke, Uffe V. Poulsen +5 · 25 citations
Computer Science · Physics and Astronomy · #Advanced Thermodynamics and Statistical Mechanics #Entropy (arrow of time) #Physics #Quantum #Quantum Information and Cryptography #Quantum Mechanics and Applications #Quantum discord #Quantum entanglement #Quantum mechanics #Statistical physics #Theoretical physics #Unitarity #Unitary state #quant-ph
paper · pdf · doi:10.1007/s10701-005-9035-7
published in Foundations of Physics 36(4), 477-499 (Springer Science+Business Media) · To be submitted to the special issue of Foundations of Physics on the occassion of the seventieth birthday of Emilio Santos. v2: 10 pages, no figures, RevTeX4; Corrected and extended version, containing new results on consequences of entanglement preservation
arxiv created 2005/04/19 · openalex publication_date 2006/03/02 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
The logical structure of Quantum Mechanics (QM) and its relation to other fundamental principles of Nature has been for decades a subject of intensive research. In particular, the question whether the dynamical axiom of QM can be derived from other principles has been often considered. In this contribution, we show that unitary evolutions arise as a consequences of demanding preservation of entropy in the evolution of a single pure quantum system, and preservation of entanglement in the evolution of composite quantum systems.