Normal coordinate in harmonic crystal obtained by virtue of the classical correspondence of the invariant eigen-operator
Meng Xiang-Guo, Fan Hong-Yi, Ji‐Suo Wang
Noticing that the equation with double-Poisson bracket, where On is normal coordinate, Hc is classical Hamiltonian, is the classical correspondence of the invariant eigen-operator equation (2004 Phys. Lett. A. 321 75), we can find normal coordinates in harmonic crystal by virtue of the invariant eigen-operator method.
Chinese Physics B•Jul 1, 2010•1 citation