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U. Zülicke and M. Governale, cond-mat/0105066 (unpublished).
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0000857857
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Parallel quantum wires have been fabricated before using a split-gate technique. See K.J. Thomas, J.T. Nicholls, M.Y. Simmons, W.R. Tribe, A.G. Davies, and M. Pepper, Phys. Rev. B 59, 12 252 (1999). In this experiment, 1D–to–1D tunneling transport was not measured directly. Instead, the two-terminal conductance of the two wires in parallel was used for spectroscopy of the tunnel-split 1D subbands.
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Phys. Rev. B
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Thomas, K.J.1
Nicholls, J.T.2
Simmons, M.Y.3
Tribe, W.R.4
Davies, A.G.5
Pepper, M.6
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R. de Picciotto, H. Stormer, A. Yacoby, L.N. Pfeiffer, K.W. Baldwin, and K.W. West, Phys. Rev. Lett. 85, 1730 (2000).
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de Picciotto, R.1
Stormer, H.2
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Pfeiffer, L.N.4
Baldwin, K.W.5
West, K.W.6
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0000465012
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C.C. Eugster, J.A. del Alamo, M.J. Rooks, and M.R. Melloch, Appl. Phys. Lett. 64, 3157 (1994).
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12744249536
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31
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0001456345
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Our modeling of electrostatics using the single parameter (Formula presented) is a first approximation to the real situation where, e.g., coupling to reservoirs leads to a nonuniform distribution of electron density as well as charge transfer between reservoirs and the wire. See, e.g., V.A. Sablikov, S.V. Polyakov, and M. Büttiker, Phys. Rev. B 61, 13 763 (2000).
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Phys. Rev. B
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Sablikov, V.A.1
Polyakov, S.V.2
Büttiker, M.3
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32
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85038966284
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Here, in contrast to the situation considered in Refs. 2223242526, the external voltage does not drive a net current flow within a single quantum wire
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Here, in contrast to the situation considered in Refs. 2223242526, the external voltage does not drive a net current flow within a single quantum wire.
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39
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85038932178
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In contrast to the familiar single-particle density of levels, the thermodynamic DOS contains exchange-correlation contributions
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In contrast to the familiar single-particle density of levels, the thermodynamic DOS contains exchange-correlation contributions.
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42
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0003517825
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L.L. Sohn L.P. Kouwenhoven G. Schön Kluwer Academic, Dordrecht
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M. Büttiker and T. Christen, in Mesoscopic Electron Transport, edited by L.L. Sohn, L.P. Kouwenhoven, and G. Schön (Kluwer Academic, Dordrecht, 1997), pp. 259-289.
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Mesoscopic Electron Transport
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Büttiker, M.1
Christen, T.2
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44
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0003423226
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H. Grabert and M.H. Devoret Plenum Press, New York
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Single Charge Tunneling, edited by H. Grabert and M.H. Devoret (Plenum Press, New York, 1992). Within the language used in the literature studying single-electron effects, the parameter (Formula presented) corresponds to the ratio of charging energy to the single-particle level spacing.
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(1992)
Single Charge Tunneling
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0008543549
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The characteristic length scale above which LL effects will be important can be roughly estimated by (Formula presented). Here, (Formula presented) is a cut-off wave number that can be much smaller than (Formula presented) We expect quantum wires in CEO structures to be at the borderline of this criterion; see O.M. Auslaender, A. Yacoby, R. de Picciotto, K.W. Baldwin, L.N. Pfeiffer, and K.W. West, Phys. Rev. Lett. 84, 1764 (2000).
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Phys. Rev. Lett.
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Auslaender, O.M.1
Yacoby, A.2
de Picciotto, R.3
Baldwin, K.W.4
Pfeiffer, L.N.5
West, K.W.6
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54
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85038936614
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This neglects the finite size of the wires in z direction
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This neglects the finite size of the wires in z direction.
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85038904170
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The range of magnetic fields that need to be applied to map out the interesting features in the linear, or differential, tunneling conductance implies the condition (Formula presented) for safe neglect of Zeeman splitting. Here, g is the Landé factor, (Formula presented) the electron mass in vacuum, and n the (in general, voltage-dependent) electron density in the wire. Typically, this condition will be violated only in the band-filling limit around the point where one of the wires is empty
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The range of magnetic fields that need to be applied to map out the interesting features in the linear, or differential, tunneling conductance implies the condition (Formula presented) for safe neglect of Zeeman splitting. Here, g is the Landé factor, (Formula presented) the electron mass in vacuum, and n the (in general, voltage-dependent) electron density in the wire. Typically, this condition will be violated only in the band-filling limit around the point where one of the wires is empty.
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85038941671
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Elastic scattering by impurities is taken into account by introducing a finite life-time broadening for the single-electron spectral functions (Formula presented)
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Elastic scattering by impurities is taken into account by introducing a finite life-time broadening for the single-electron spectral functions (Formula presented).
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85038958295
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In Figs. 556677, we give (Formula presented) in units of (Formula presented) which is independent of magnetic field due to our gauge choice
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In Figs. 556677, we give (Formula presented) in units of (Formula presented) which is independent of magnetic field due to our gauge choice.
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