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Characteristic molecular properties of one electron double quantum rings under magnetic fields

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Figure

Figure 1. Schematic of the DQR structure under study and the relevant geometrical parameters
Figure 2. Top row: energy levels vs magnetic field for a DQR (a) and a DQD (b).
Figure 3. Right side: zoom of the four lowest-energy levels of Fig. 2 DQR in the vicinity of the first anticrossing
Figure 5. Expectation value of the ground state angular momentum vs. magnetic field in (a) a single QR, (b) a DQR with high inter-ring barrier, and (c) a DQR with regular inter-ring barrier height
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