نتایج جستجو برای: tight binding

تعداد نتایج: 453770  

Journal: :Physical review 2021

If a localized quantum state in tight-binding model with structural aperiodicity is subject to noisy evolution, then it generally expected result diffusion and delocalization. In this work, shown that the phase of kicked Aubry-Andr\'e-Harper (AAH) robust effects for long times, provided some kick delivered once every time period. However, if strong perturbations are applied by randomly missing ...

Journal: :The Journal of Chemical Physics 2015

Journal: :Modelling and Simulation in Materials Science and Engineering 2017

2007
D. A. PAPACONSTANTOPOULOS

We demonstrate that our tight-binding method { which is based on tting the energy bands and the total energy of rst-principles calculations as a function of volume { can be easily extended to accurately describe carbon and silicon. We present equations of state that give the correct energy ordering between structures. We also show that quantities that were not tted, such as elastic constants an...

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