Fig 1: Zero-frequency noise measurement!provides a primary thermometer

-100 -50 0 50 1000

2

4

6

8

10

12

voltage, V (�V)

zero-freqcurrentnoise

spectraldensity

S(1.0e-29A^2*s)

single spin-degenerate channel, � = 0.1

T = 100 mK (� 2 GHz � 8.6 �V)T = 50 mK (� 1 GHz � 4.3 �V)

Fig 2: Quantum noise is definitely not white

-10 -5 0 5 100

2

4

6

8

10

frequency, f (GHz)

currentnoise

spectraldensity

S(1.0e-29A^2*s)

single spin-degenerate channel, � = 0.1, V = 0

T = 100 mK (� 2 GHz � 8.6 �V)T = 50 mK (� 1 GHz � 4.3 �V)

Electronic circuits with a nano-sized island

Theoretical Nanophysics BME, 2019 Spring

Lectures 7-8, 2019/03/27, 04/03

Yuli Nazarov and Yaroslav Blanter Quantum Transport (Introduction to Nanoscience)

Cambridge University Press, 2009 chapter 3.1, 3.2