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Antibonding ground states in InAs quantum-dot molecules

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Academic year: 2021

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Figure 1 shows the anticrossing of the neutral exciton (X 0 ) that results from coherent tunneling of a single hole through a thin (2 nm) barrier while the electron remains localized in the bottom dot
FIG. 2 (color online). Zeeman energy splitting as a function of applied electric field for B ¼ 6 T
FIG. 3 (color online). (a),(b) Energy of the ground and first excited molecular states as a function of d calculated using (a) the single-band effective mass and (b) k  p theory
FIG. 4 (color online). (a) Molecular ground states for each charge configuration are determined by sequentially filling  mo-lecular orbitals with holes

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