A Quantum Version of Spectral Decomposition Theorem of dynamical systems,quantum chaos hierarchy: Ergodic,mixing and exact |
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| Affiliation: | 1. Instituto de Física de Rosario (IFIR-CONICET), Rosario, Argentina;2. Instituto de Física de Rosario (IFIR-CONICET) and Instituto de Astronomía y Física del Espacio (IAFE-CONICET), Casilla de Correos 67, Sucursal 28, 1428 Buenos Aires, Argentina;1. Mathematical Institute, Faculty of Mathematics and Physics, Charles University, Prague 186 75, Czech Republic;2. Institute of Mathematics of the Czech Academy of Sciences, Žitná 25, Prague 115 67, Czech Republic;1. Department of Mathematics, Michigan State University, East Lansing, MI 48824, USA;2. University of Memphis, Department of Mathematical Sciences, Memphis, TN 38152, USA;3. Department of Mathematics, Bar-Ilan University, Ramat-Gan 5290002, Israel |
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| Abstract: | In this paper we study Spectral Decomposition Theorem (Lasota and Mackey, 1985) and translate it to quantum language by means of the Wigner transform. We obtain a Quantum Version of Spectral Decomposition Theorem (QSDT) which enables us to achieve three distinct goals: First, to rank Quantum Ergodic Hierarchy levels (Castagnino and Lombardi, 2009, Gomez and Castagnino, 2014). Second, to analyze the classical limit in quantum ergodic systems and quantum mixing systems. And third, and maybe most important feature, to find a relevant and simple connection between the first three levels of Quantum Ergodic Hierarchy (ergodic, exact and mixing) and quantum spectrum. Finally, we illustrate the physical relevance of QSDT applying it to two examples: Microwave billiards (Stockmann, 1999, Stoffregen et al. 1995) and a phenomenological Gamow model type (Laura and Castagnino, 1998, Omnès, 1994). |
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