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Quantum Dot Properties in a Strong Magnetic Field

100%
Matulis A., Anisimovas E.
Acta Physica Polonica A
|
2004
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vol. 105
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issue 6
529-536
EN
We present a quasiclassical approach to few-electron quantum dots in strong magnetic fields based on the notion of a collectively rotating Wigner molecule. A quasiclassical many-particle wave function is derived and illustrated by its application to a two-electron quantum dot. In particular, we calculate the density-current correlation function (conditional current) and show that the Wigner crystal in high magnetic fields may be visualized as an ordered system of current vortices.
2
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Persistent Currents and Bethe Ansatz

100%
Kiršanskas G., Matulis A.
Acta Physica Polonica A
|
2011
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vol. 119
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issue 2
158-160
EN
The system of two electrons interacting with a single impurity in 1D metallic ring is considered illustrating the applicability of the Bethe Ansatz.
3
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Resonant Conductance of Two-Dimensional Electron Systems

100%
Matulis A., Patiejūnas K.
Acta Physica Polonica A
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1992
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vol. 82
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issue 4
709-712
EN
The ballistic conductance of two-dimensional ring calculation results are presented. The influence of the magnetic field and electron elastic scattering on the resonant ring conductance are discussed.
4
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Classical Nature of Quantum Dots in a Magnetic Field

81%
Anisimovas E., Matulis A., Peeters F.
Acta Physica Polonica A
|
2005
|
vol. 107
|
issue 1
188-192
EN
A quasiclassical theory of few-electron quantum dots in a strong magnetic field is developed. The ground state energy and the corresponding many-electron wave function are obtained and used to derive a universal relation of critical magnetic fields and calculate the currents and the density-current correlation function.
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