作者: Takehiko Oguchi
关键词: Antiferromagnetism 、 Spontaneous magnetization 、 Ferromagnetism 、 Quantum mechanics 、 Heisenberg model 、 Spin wave 、 Physics 、 Condensed matter physics 、 Ideal (order theory)
摘要: … number of spin waves is so small that the interaction between two or more spin waves may be … creation and annihilation operators of a spin wave under the same assumption as Bloch's. …