Anomalous spin-related quantum phase in mesoscopic hole rings

Physical Review B - Condensed Matter and Materials Physics

Volumn 81, Issue 15, 2010, Pages

  Jaaskelainen M ^a   Zulicke U ^a,b  

^a MASSEY UNIVERSITY   (New Zealand)

^b MASSEY UNIVERSITY   (New Zealand)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 77955361057     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.81.155326     Document Type: Article

References (41)

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40. In principle, our theory applies to the n -type device of Ref. because a band inversion in the heterostructure from which the ring was fabricated renders the conduction band to have valence-band-like properties. However, this structure appears to be quite close to the 2D limit so that HH-LH mixing may not be very important.
41. In principle, all orbital magnetic-field effects and Zeeman splitting are accounted for by our expressions if the m ± are obtained from ring subbands that have been calculated with all pertinent terms in the Hamiltonian included. For simplicity, we neglect Zeeman splitting and magnetic-field-related distortions of in-plane bound-state wave functions in this work. Our results are directly applicable to rings with sufficiently large aspect ratio where magnetoconductance oscillations can already appear in the weak-field regime.