“quantum Hall effect”的概念、定义、习题解题方法及翻译-物理辞典

单词	quantum Hall effect
释义	quantum Hall effect A quantum mechanical version of the Hall effect found at very low temperatures, in which the Hall coefficient R_H is proportional to h/e², where h is the Planck constant and e is the charge of the electron. Thus, the Hall coefficient is quantized. There are two types of quantum Hall effect. The integer quantum Hall effect has R_H given as an integer with great precision. It can be used for precision measurements of constants such as e and h. In the fractional quantum Hall effect , R_H has fractional values. The integer quantum Hall effect can be understood in terms of noninteracting electrons, whereas the fractional effect is thought to result from many-electron interactions in two-dimensional systems, and be an example of anyons (see quantum statistics)
随便看	absolute humidity absolute permittivity absolute pitch absolute temperature absolute value absolute zero absorptance absorption absorption coefficient absorption spectrum absorptivity abundance acceleration acceleration of free fall accelerator acceptor acceptor levels accommodation accretion disc accumulator achromatic lens acoustics acoustoelectronic devices actinic radiation actinium

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