A Schematic Illustration of a Nanoscale Circuit (IMAGE)
Caption
A quantum dot (the yellow part) is connected to two lead electrodes (the blue parts). Electrons tunneling into the quantum dot from the electrodes interact with each other to form a highly correlated quantum state, called "Fermi liquid." Both nonlinear electric current passing through the quantum dot and its fluctuations that appear as a noise carry important signals, which can unveil underlying physics of the quantum liquid. It is clarified that three-body correlations of the electrons evolve significantly and play essential roles in the quantum state under the external fields that break the particle-hole or time-reversal symmetry.
Credit
Rui Sakano
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