超导电性和超流性
Superconductivity and Superfluidity
摘要:
目前人们普遍认为,超导现象的解释在于理解电子对形成的机制。然而,成对的电子不能自发地形成超导凝聚体。这些成对的电子进行无序的零点振荡,在它们的系综中没有吸引力。为了创造一个统一的粒子系综,粒子对必须对它们的零点涨落进行排序,这样粒子之间就会出现吸引力。由于电子气中零点振荡的这种有序性,超导性就产生了。这个模型的凝聚零点振荡创建的可能性,能够获得估计的关键参数的基本超导体,这是在令人满意的协议与测量数据。另一方面,He-4和He-3中的超流现象也可以类似地解释,这是由于零点涨落的有序性。因此,可以确定,这两种相关的现象是基于相同的物理机制。
英文摘要:
Currently there is a common belief that the explanation of superconductivity phenomenon lies in understanding the mechanism of the formation of electron pairs. Paired electrons, however, cannot form a superconducting condensate spontaneously. These paired electrons perform disorderly zero-point oscillations and there are no force of attraction in their ensemble. In order to create a unified ensemble of particles, the pairs must order their zero-point fluctuations so that an attraction between the particles appears. As a result of this ordering of zero-point oscillations in the electron gas, superconductivity arises. This model of condensation of zero-point oscillations creates the possibility of being able to obtain estimates for the critical parameters of elementary superconductors, which are in satisfactory agreement with the measured data. On the another hand, the phenomenon of superfluidity in He-4 and He-3 can be similarly explained, due to the ordering of zero-point fluctuations. It is therefore established that both related phenomena are based on the same physical mechanism.
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