scholarly journals Electron Transport In One-Dimensional Magnetic Superlattices

VLSI Design ◽  
1998 ◽  
Vol 8 (1-4) ◽  
pp. 559-565
Author(s):  
Zhen-Li Ji ◽  
D. W. L. Sprung
Keyword(s):  
Magnetic Field ◽  
Electron Transport ◽  
Low Temperature ◽  
Transport Properties ◽  
Quantum Wires ◽  
Spatial Distributions ◽  
One Dimensional ◽  
Magnetic Superlattices ◽  
Electron Transport Properties ◽  
The One

Electron transport properties of quantum wires in the presence of a periodically modulated magnetic field are investigated. For a short modulated wire, we find dips in conductance just below each mode threshold. The conductance dips are quite robust at low temperature. Increasing the number of periods of magnetic modulation can lead to the formation of minibands and gaps. The differences between the one dimensional (1D) electric superlattice and 1D magnetic superlattice are discussed. We also consider the spatial distributions of currents, which show dramatic differences between the magnetic superlattices and electric ones.

Application of the Landau-Luttinger Liquid Formulation to the Study of the Magnetic Properties of the 1-D Hubbard Model

1991 ◽  
Vol 05 (01n02) ◽  
pp. 3-30 ◽  
Author(s):  
J. Carmelo ◽  
P. Horsch ◽  
P.A. Bares ◽  
A.A. Ovchinnikov
Keyword(s):  
Magnetic Field ◽  
Magnetic Properties ◽  
Low Temperature ◽  
Hubbard Model ◽  
Luttinger Liquid ◽  
Liquid Formulation ◽  
One Dimensional ◽  
Spin Excitations ◽  
Arbitrary Strength ◽  
The One

The Landau-Luttinger liquid formulation is used to investigate the physics of the one-dimensional Hubbard model in a magnetic field of arbitrary strength H. The low lying charge and spin excitations are studied. A novel branch of sound wave-like spin excitations arises for H>0. The low temperature thermodynamics is considered in some detail.

ELECTRON TRANSPORT PROPERTIES IN FINE-PARTICLE FILMS OF Au EVAPORATED ONTO Si NATIVE OXIDE: THERMAL ANNEALING EFFECTS

1996 ◽  
Vol 03 (01) ◽  
pp. 1133-1136
Author(s):  
H. KASAHARA ◽  
T. SHIKATA ◽  
K. YAMAMOTO
Keyword(s):  
Electron Transport ◽  
Thermal Treatment ◽  
Low Temperature ◽  
Transport Properties ◽  
Fine Particle ◽  
Fine Particles ◽  
Native Oxide ◽  
Resistance Increase ◽  
Annealing Effects ◽  
Electron Transport Properties

We investigated electron transport in fine-particle films of Au prepared onto Si native oxide. Electron transport measurements and TEM observations were carried out for as-deposited and after thermal treatment of the films in air. We observed the anomalous resistance increases in as-deposited fine-particle films of Au and obtained α T =4.5. After 150°C thermal treatment in air, however, these anomalous resistance increases in the Au films disappeared and its topography appeared on the TEM images drastically changed into percolative structure. We found that the size of the Au fine particles causes anomalous resistance increase at low temperature.

Electron transport properties in GaAs/AlGaAs quasi one-dimensional fets

1989 ◽  
Vol 5 (2) ◽  
pp. 247-250 ◽  
Author(s):  
T. Ohshima ◽  
M. Okada ◽  
M. Matsuda ◽  
N. Yokoyama ◽  
A. Shibatomi
Keyword(s):  
Electron Transport ◽  
Transport Properties ◽  
One Dimensional ◽  
Electron Transport Properties

scholarly journals ONE-DIMENSIONAL STATISTICAL MECHANICS FOR IDENTICAL PARTICLES: THE CALOGERO AND ANYON CASES

1995 ◽  
Vol 10 (01) ◽  
pp. 1-13 ◽  
Author(s):  
ALAIN DASNIÈRES DE VEIGY ◽  
STÉPHANE OUVRY
Keyword(s):  
Magnetic Field ◽  
Low Temperature ◽  
Statistical Mechanics ◽  
Strong Magnetic Field ◽  
Quantum Number ◽  
One Dimensional ◽  
Fermi Statistics ◽  
Lowest Landau Level ◽  
Unified Algorithm ◽  
The One

The thermodynamic of particles with intermediate statistics interpolating between Bose and Fermi statistics is addressed in the simple case where there is one quantum number per particle. Such systems are essentially one-dimensional. As an illustration, one considers the anyon model restricted to the lowest Landau level of a strong magnetic field at low temperature, the generalization of this model to several particles species, and the one-dimensional Calogero model. One reviews a unified algorithm to compute the statistical mechanics of these systems. It is pointed out that Haldane's generalization of the Pauli's principle can be deduced from the anyon model in a strong magnetic field at low temperature.

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