Group velocity of the acoustic eigen-modes in sonic crystals
Classical Physics
2007-05-23 v1 General Physics
Abstract
In this brief report, the group velocity of the eigen-modes in sonic crystals is derived, and shown to equal the averaged energy velocity of the eigen-modes. How the group velocity can be used to describe acoustic energy flows in sonic crystals is discussed.
Cite
@article{arxiv.physics/0411060,
title = {Group velocity of the acoustic eigen-modes in sonic crystals},
author = {Zhen Ye},
journal= {arXiv preprint arXiv:physics/0411060},
year = {2007}
}
Comments
4 pages