液氦上多子带二维电子系统的微波诱导磁振荡和绝对负电导
Microwave-induced magnetooscillations and absolute negative conductivity in the multisubband two-dimensional electron system on liquid helium
摘要：
结果表明，在正常施加的磁场下，微波共振引起的上表面子带的非平衡填充可能是液氦上二维电子系统的绝对负电导和零电阻态的起源.相反的半导体系统中报告的类似效果，一个振荡的符号变化校正的直流磁导率出现由于准弹性迭代子带散射，不涉及光子。给出的分析解释了最近观察到的电子在液氦上的显著磁振荡和零电阻状态。
英文摘要：
It is shown that a nonequilibrium filling of an upper surface subband induced by the microwave resonance can be the origin of the absolute negative conductivity and zero-resistance states for the two-dimensional electron system on liquid helium under magnetic field applied normally. Contrary to the similar effect reported for semiconductor systems, an oscillating sign-changing correction to the dc-magnetoconductivity appears due to quasi-elastic iter-subband scattering which does not involve photons. The analysis given explains remarkable magnetooscillations and zero-resistance states recently observed for electrons on liquid helium.
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