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首页> 外文期刊>Journal of Statistical Physics >ALGEBRAIC STRUCTURE OF QUANTUM FLUCTUATIONS
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ALGEBRAIC STRUCTURE OF QUANTUM FLUCTUATIONS

机译:量子涨落的代数结构

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摘要

On the basis of the existence of second and third moments of fluctuations, we prove a theorem about the Lie-algebraic structure of fluctuation operators. This result gives insight into the quantum character of fluctuations. We illustrate the presence of a Lie algebra of fluctuation operators in a model of the anharmonic crystal, and show the dependence of the Lie-algebra structure on the fine structure of the fluctuation operator algebra. The result is also applied to construct the normal Goldstone mode in the ideal Bose gas for Bose-Einstein condensation. [References: 24]
机译:在存在波动的第二和第三阶矩的基础上,我们证明了关于波动算子的李代数结构的一个定理。该结果使人们了解了波动的量子特征。我们说明了在非调和晶体模型中波动算子的李代数的存在,并表明了李代数结构对波动算子代数精细结构的依赖性。该结果也可用于在理想的Bose气体中构造正常的Goldstone模式,以进行Bose-Einstein凝聚。 [参考:24]

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