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单词 Hamiltonian Operator
释义

Hamiltonian Operator

中文百科

哈密顿算符 Hamiltonian (quantum mechanics)

(重定向自Hamiltonian Operator)

量子力学中,哈密顿算符英语:Hamiltonian,缩写符号:H) 为一个可观测量,对应于系统的总能量。一如其他所有算符,哈密顿算符的谱为测量系统总能是所有可能结果的集合。如同其他自伴算符,哈密顿算符的谱可以透过谱测度(spectral measure)被分解,成为纯点(pure point)、绝对连续(absolutely continuous)、奇点(singular)三种部分。纯点谱与本征矢量相应,而后者又对应到系统的束缚态(bound states)。绝对连续谱则对应到自由态(free states)。奇点谱则很有趣地由物理学上不可能的结果所组成。举例来说,考虑有限深方形阱的情形,其许可了具有离散负能量的束缚态,以及具有连续正能量的自由态。

英语百科

Hamiltonian (quantum mechanics) 哈密顿算符

(重定向自Hamiltonian Operator)

In quantum mechanics, the Hamiltonian is the operator corresponding to the total energy of the system in most of the cases. It is usually denoted by H, also Ȟ or Ĥ. Its spectrum is the set of possible outcomes when one measures the total energy of a system. Because of its close relation to the time-evolution of a system, it is of fundamental importance in most formulations of quantum theory.

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