Simulation of energy transport in crystal with NaCl structure assisted by discrete breathers

• Main Authors: Semenov, A. S., Bebikhov, Yu. V., Kistanov, Andrey A.
• Other Authors: School of Mechanical and Aerospace Engineering
• Format: Article
• Language: English
• Published: 2019
• Subjects: Intrinsic Localized Mode; Engineering::Mechanical engineering; Discrete Breather
• Online Access: https://hdl.handle.net/10356/105636; http://hdl.handle.net/10220/50256
• Institution: Nanyang Technological University

Discrete breather (DB) is a spatially localized vibrational mode of large amplitude with vibration frequency outside the phonon band of the crystal. DB frequency can leave phonon spectrum due to the anharmonicity of interatomic bonds owing to the fact that the frequency of a nonlinear oscillator is...