搜索结果: 46-60 共查到“物理学 Transport”相关记录160条 . 查询时间(0.234 秒)
Transport Phenomena in Fluids: Finite-size scaling for critical behavior
Transport Phenomena critical behavior
2010/11/19
Results for transport properties, in conjunction with phase behavior and thermodynamics, are
presented at the criticality of a binary Lennard-Jones fluid from Monte Carlo and molecular dy-
namics si...
Conservation laws, integrability and transport in one-dimensional quantum systems
Conservation laws one-dimensional quantum systems
2010/11/18
In integrable one-dimensional quantum systems an infinite set of local conserved quantities exists which can prevent a current from decaying completely. For cases like the spin current in the XXZ mode...
Effect of quasi-bound states on coherent electron transport in twisted nanowires
quasi-bound states coherent electron transport twisted nanowires
2010/11/8
Quantum transmission spectra of a twisted electron waveguide expose the coupling between traveling and quasi-bound states. Through a direct numerical solution of the open-boundary Schr\"odinger equati...
A semiquantitative approach to the impurity-band-related transport properties of GaMnAs nanolayers
semiquantitative impurity-band-related
2010/11/18
We investigate the spin-polarized transport of GaMnAs nanolayers in which a ferromagnetic order
exists below a certain transition temperature. Our calculation for the self-averaged resistivity takes ...
Transport relaxation time and length scales in turbulent suspensions
Transport relaxation time and length scales turbulent suspensions
2010/11/18
We show that in a turbulent ow transporting suspended sediment, the unsaturated sediment ux q(x; t) can be described by a rst-order relaxation equation.
Quantum Mechanical Simulation of Electronic Transport in Nanostructured Devices by Efficient Self-consistent Pseudopotential Calculation
Quantum Mechanical Simulation of Electronic Transport Nanostructured Devices
2010/11/17
We present a new empirical pseudopotential (EPM) calculation approach to simulate the million
atom nanostructured semiconductor devices under potential bias using the periodic boundary con-
ditions....
Influenced of Fe buffer thickness on the crystalline quality and the transport properties of Fe/Ba(Fe1-xCox)2As2 bilayers
buffer thickness crystalline quality transport properties
2010/11/17
The implementation of an Fe buffer layer is a promising way to obtain epitaxial growth of Co-doped BaFe2As2 (Ba-122). However, the crystalline quality and the superconducting properties of Co-doped Ba...
Effect of B-site Dopants on Magnetic and Transport Properties of LaSrCoRuO$_6$
Effect of B-site Dopants Magnetic Transport Properties of LaSrCoRuO$_6$
2010/11/19
Effect of Co, Ru and Cu substitution at B and B’ sites on the magnetic and transport properties of LaSrCoRuO6 have been investigated. All the doped compositions crystallize in the monoclinic structure...
Electron transport and anisotropy of the upper critical magnetic field in a Ba0.68K0.32Fe2As2 single crystals
Electron transport anisotropy of the upper critical magnetic field
2010/11/17
Early work on the iron-arsenide compounds supported the view, that a reduced dimensionality might be a necessary prerequisite for high–Tc superconductivity. Later, however, it was found that the zero-...
Heat transport in an open transverse-field Ising chain
Heat transport open transverse-field Ising chain
2010/11/23
The heat conduction in an open transverse-field Ising chain is studied by using quantization in the Fock space of operators in the weak coupling regimes, i.e. the coupling is much smaller than the tra...
Mass-Transport Models with Multiple-Chipping Processes
Mass-Transport Models Multiple-Chipping Processes
2010/11/22
We study mass-transport models with multiple-chipping processes. The rates of these processes are dependent on the chip size and mass of the fragmenting site. In this context, we consider k-chip moves...
Absence of scaling in transport through two-dimensional nanoparticle arrays
Absence of scaling two-dimensional nanoparticle arrays
2010/11/17
We analyze the transport in disordered two-dimensional nanoparticle arrays. We show that the
commonly used scaling hypothesis to fit the I-V curves does not describe the electronic transport in these...
Hysteresis of Electronic Transport in Graphene Transistors
graphene transistor conductance hysteresis charge transfer capacitive gating water dipole
2010/11/17
Graphene field effect transistors commonly comprise graphene flakes lying on SiO2 surfaces. The
gate-voltage dependent conductance shows hysteresis depending on the gate sweeping rate/range. It is sh...
Mass-Transport Models with Fragmentation and Aggregation
Mass-Transport Models Fragmentation Aggregation
2010/11/22
We present a review of nonequilibrium phase transitions in mass-transport models with kinetic processes like fragmentation, diffusion, aggregation, etc. These models have been used extensively to stud...
Imaging Dissipative Transport in Carbon Nanotube Network Transistors
Imaging Dissipative Transport Carbon Nanotube Network Transistors
2010/11/24
We use infrared thermometry of carbon nanotube network (CNN) transistors and find the forma-tion of distinct hot spots during operation. However, the average CNN temperature at breakdown is significan...