论文标题
温度偏向隧道连接点的射击噪声
Shot Noise of a Temperature-Biased Tunnel Junction
论文作者
论文摘要
我们报告了通过温度和/或电压差，即热和/或电流的电荷噪声来报告隧道连接驱动外部驱动外的电流噪声。这是通过仔细控制纳米级以下1 K的电子温度以及对带宽宽的噪声的敏感测量，从0.1到1 GHz来实现。实验与理论之间没有拟合参数的极好的一致性。特别是，我们发现当一个电极处在温度t处，另一个在零温度下的电阻R的当前噪声由s = 2 ln2 kb t /r给出。
We report the measurement of the current noise of a tunnel junction driven out-of-equilibrium by a temperature and/or voltage difference, i.e. the charge noise of heat and/or electrical current. This is achieved by a careful control of electron temperature below 1 K at the nanoscale, and a sensitive measurement of noise with wide bandwidth, from 0.1 to 1 GHz. An excellent agreement between experiment and theory with no fitting parameter is obtained. In particular, we find that the current noise of the junction of resistance R when one electrode is at temperature T and the other one at zero temperature is given by S = 2 ln2 kB T /R.
