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Neutral and charged excitons in a quantum tube
野村, 晋太郎
Nomura, Shintaro
Tsumura, Kohei
©2006 Elsevier B.V.
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The optical transition energies of neutral and charged excitons in a quantum tube are calculated as a function of the Aharonov–Bohm
magnetic flux U. The oscillation amplitude of the ground state energy of the electron–hole relative motion is shown to be larger in a
quantum tube than a quantum ring with strong confinement in the axis direction. We find a double maxima structure in the optical transition
energy for a quantum tube with radius R = 0.5 in units of the effective Bohr radius because of the difference in the U dependencies
between the single electron energy and the relative-motion energy of a charged exciton state.
Elsevier
2007-01
eng
journal article
http://hdl.handle.net/2241/90832
https://tsukuba.repo.nii.ac.jp/records/9155
10.1016/j.susc.2006.10.007
0039-6028
AA00853803
Surface science
601
2
441
449
https://tsukuba.repo.nii.ac.jp/record/9155/files/SS_601-2.pdf
application/pdf
1.6 MB
2013-12-18