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nlin.CD2025
Construction of cubic nonlinear lattice free from umklapp processes
Hiroki Ono, Yusuke Doi, Akihiro Nakatani
We propose a novel type of umklapp-free lattice (UFL), where umklapp processes are completely absent. The proposed UFL incorporates cubic long-range nonlinearity, a feature not add…
nlin.CD2021★ 10 cited
Heat transport in nonlinear lattices free from the Umklapp process
Kazuyuki Yoshimura, Yusuke Doi, Tomoya Kitamura
We construct one-dimensional nonlinear lattices having the special property such that the Umklapp process vanishes and only the normal processes are included in the potential funct…