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首页> 外文期刊>Laser Physics: An International Journal devoted to Theoretical and Experimental Laser Research and Application >Free electron motion in an electromagnetic field at zero temperature and the dependence on its rest mass
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Free electron motion in an electromagnetic field at zero temperature and the dependence on its rest mass

机译：零温度下电磁场中的自由电子运动及其对静止质量的依赖性

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摘要

Efforts to achieve quantum computation, teleportation, and communication depend on minimizing decoherence, which is the destruction of a quantum interference pattern. Here, we examine effects arising from the universal zero-point (temperature T = 0) oscillations of the electromagnetic field on a free electron in a Schrodinger cat superposition state. A unique conclusion is that the spreading of an electron wavepacket and the rate of decay of decoherence depend on the bare mass m of the electron. However, only for m = 0 does decoherence occur and the fact that it occurs almost instantly is ruled out by electron interference experiments. For m not equal 0, the electron essentially behaves as a free particle.
机译：实现量子计算，远距传输和通信的努力取决于最小化退相干，这是对量子干涉图的破坏。在这里，我们研究了在薛定inger猫叠合状态下自由电子上电磁场的普遍零点（温度T = 0）振荡引起的影响。一个独特的结论是，电子波包的扩散和退相干的衰减速率取决于电子的裸质量m。但是，只有当m = 0时，才会出现退相干，并且电子干扰实验排除了它几乎立即发生的事实。当m不等于0时，电子本质上表现为自由粒子。

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