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Biphonon dynamics in crystals: Nitrous oxide
Affiliation:1. Dipartimento di Chimica, Università di Bari and CSGI (Consorzio Interuniversitario per lo Sviluppo dei Sistemi a Grande Interfase), 70125, Bari, Italy;2. CNR-IPCF, Istituto per i Processi Chimico-Fisici, 70125, Bari, Italy;3. Departamento de Química Física y Analítica & Instituto Universitario de Biotecnología de Asturias, Universidad de Oviedo, 33006, Oviedo, Spain;1. Korea Research Institute of Standards and Science, Daejeon, 34113, South Korea;2. Department of Physics, Chungnam National University, Daejeon, 34134, South Korea;3. Department of Nanoscience, University of Science and Technology, Daejeon, 34113, South Korea;4. Department of Physics and Photon Science, Gwangju Institute of Science and Technology, Gwangju, 61005, South Korea;5. Department of Physics, Korea University, Seoul, 02841, South Korea;6. Department of Physics, Sogang University, Seoul, 04107, South Korea;7. Display and Semiconductor Physics, Korea University Sejong Campus, Sejong, 30019, South Korea;8. Institute of Quantum Systems (IQS), Chungnam National University, Daejeon, 34134, South Korea;1. Institut für Geologie und Mineralogie, Universität zu Köln, Zülpicherstr. 49b, 50674 Cologne, Germany;2. Steinmann-Institut, Poppelsdorfer Schloss, 53115 Bonn, Germany;3. Geowissenschaftliches Zentrum der Georg-August-Universität Göttingen, Department of Isotope Geology, Goldschmidtstrasse 1, 37077 Göttingen, Germany;1. School of Computer Science and Technology, Xidian University, Xi׳an, 710071, PR China;2. Key Laboratory of Intelligent Perception and Image Understanding of Ministry of Education, International Research Center for Intelligent Perception and Computation, Joint International Research Laboratory of Intelligent Perception and Computation, Xidian University, Xian, Shaanxi Province, 710071, PR China
Abstract:Coherent picosecond excitation and probe techniques are employed to measure the dephasing times of the very weak 2v2 two-phonon resonance in solid N2O as a function of temperature. T2 times are also obtained for the v1 one-phonon transition which is in feeble Fermi interaction with 2v2.
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