Current diagram of the device.
Stability diagrams of the devices without [(a) and (c): ] and with (b) and (d): and ] cross couplings for two cases: weak interdot coupling [(a) and (b): ] and strong interdot coupling [(c) and (d): ]. Everywhere, , , , and .
Stability diagrams of the devices with asymmetrical dot-to-lead couplings (a) [ and and symmetrical dot-to-lead couplings (b) . Everywhere, , , , , and .
Diagram cell dimensions of Eqs. (2) and (3) for the devices (a) without cross couplings and (b) with cross couplings . Everywhere, , , and .
Current vs bias (a) and current vs gate voltage (b) for devices with different (from top); 0, 1, and 10 [, , , and ].
Monte Carlo simulation conductance fits to the charging diagram from Fig. 3(a) for the device with the same capacitances as those in Ref. 1: , , , , , , and . Bright regions correspond to the low-conductance regime .
NDC in dependence on (a) temperature, (b) offset charge, (c) gate (direct) couplings, and (d) cross couplings .
Example of a second Coulomb gap and its destruction by an offset charge.
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