Ngày tải lên: 05/08/2014, 15:21
Ngày tải lên: 05/08/2014, 15:20
Novel aspects of localization, delocalization, and anomalous transport in one dimensional systems
... regular and chaotic motions 16 Chapter Physics Background and Mathematical Preliminaries in classical mechanics As seen in Fig 2.3, when K increases, the phase space becomes more and more chaotic ... that the evolving probability distribution of an initially localized quantum walker resembles the relativistic wavepacket spreading Chandrashekar et al [60] went deeper in linking QW and relativistic ... system variables (see App 3 .A. 2 for details) In 31 3.3 Scalar Potential terms of the parametrization (3.14) one obtains a relatively compact result: γ= tan4 φ sin2 µ sin α sin φ + β tan2 φ (3.25)...
Ngày tải lên: 09/09/2015, 08:16
Quantum simulations with photons in one dimensional nonlinear waveguides 1
... propagate in the direction of the control laser To introduce an interaction between polaritons, a weak stationary retrieval field created by forward and backward control beams is adiabatically ramped ... simulation of a two-component Luttinger liquid and a direct observation of the spin-charge separation in Chapter [35, 36] Although the spin-charge separation has attracted a lot of interest in ... and measurements of certain correlations are still intractable despite advances in single-site addressing of atoms [18, 19] A new research direction with strongly interacting dark-state polaritons...
Ngày tải lên: 10/09/2015, 09:26
Quantum simulations with photons in one dimensional nonlinear waveguides 2
... initial input coherent state, an eigenstate of the initial non-interacting Hamiltonian, will always remain an eigenstate of the instantaneous Hamiltonian and no dynamics or intermediate phases will ... general, the interaction parameters are imaginary to account for photon losses as shown in the following The decay is considered via including a decay rate Γ in the formulas of masses and interactions ... (d) spinon holon Figure 5.1: The schematic diagram of the spin-charge separation in a 1D chain (a) The initially half-filled antiferromagnetic chain (b) A hole (holon) is introduced in the chain...
Ngày tải lên: 10/09/2015, 09:27
Quantum simulations with photons in one dimensional nonlinear waveguides 3
... e−ikC z )σac ] (A. 3) With the assumptions of σaa 1, σbb 0, (A. 4) which means that the atoms are prepared in state |a at the initial time and the occupations to the excited states are small in the ... Ψ† A A + Ψ = −i∆ A − A (A. 30) v ∂t ∂z v∆0 v(∆p − δ)(δ∆0 − 2Ω2 )2 For the stationary polaritons, the phase matching mechanism allows us to adiabatically eliminate A, leading to the result A ... parameters θs and ϕs as tan2 ϕs = Ω2 /Ω2 , tan2 θs = g nz /Ωs s,+ s,− (C.32) The phase matching condition allows us to adiabatically eliminate As , lead- 139 Appendix C Derivation of Nonlinear...
Ngày tải lên: 10/09/2015, 09:27
Photoconductivity in one dimensional metal oxides nanostructures
... was put in ultrasonic bath in deionised water, followed by acetone each for about 15 minutes and then finally again ultrasonicated with deionised water, so as to have clean and smooth foil Finally ... structural information such as crystalline order of the nanostructure is determined through Braggs Law Also, accurate values of the d spacing are determined by X-ray diffraction In all crystalline materials ... in air and at room temperature.26 Monoclinic gallium oxide (β-Ga O ) has wide bandgap of 4.9 eV,28, 29 it is chemically and thermally stable and has been widely used as an insulating oxide layer...
Ngày tải lên: 16/10/2015, 11:59
STUDYING BLOCKING EFFECT FOR MANY PARTICLES DIFFUSION IN ONE DIMENSIONAL DISORDERED LATTICE
... per particle is n = 1000; The number of particles is varies varies interval from to 120 particles In order to attain a good statistic all quantities is obtained by averaging over 106 MC samplings ... 0.324 In case of many - particles, the blocking effect plays a relevant role Unlike singleparticle case, some particles jumps in many-particles case are suppressed due to that a number of sites are ... comparing to TD lattice the correlation factor decreases strongly as temperature decreases and the time τjumpS /τjumpC of SD lattice is significantly larger than one of TD lattice indicating...
Ngày tải lên: 31/10/2015, 10:43
Bài giảng vật lý đại cương Chapter4 motion in 2 dimensions
... 9/18/2011 Instantaneous Velocity, cont The direction of the instantaneous velocity vector at any point in a particle’s path is along a line tangent to the path at that point and in the direction of motion ... in a circular path with a constant speed The associated analysis motion is a particle in uniform circular motion An acceleration exists since the direction of the motion is changing This change ... magnitude remains constant Both may change simultaneously Kinematic Equations for TwoDimensional Motion When the two-dimensional motion has a constant acceleration, a series of equations can be developed...
Ngày tải lên: 18/06/2016, 08:46
A structural model of one dimensional thin silica nanowires
... important with the increase of chain length Instead, the intrinsic internal strain on 2MRs for larger chains remain a crucial factor in stabilizing (SiO2)n chains SU-2MR chains are more rapidly stabilized ... smaller gaps of SU-2MR chains indicate higher chemical reactivities, facilitating the continuous growth of the chains Hence, the SU-2MR chain may be a more reasonable growth model of 1D silica ... also rings as n > It is indicated that ES-2MR chains would be more favorable in the initial stage of the silica nanoparticle embryo However, longer silica nanowires prefer SU-2MR structures A...
Ngày tải lên: 16/03/2014, 15:03
Báo cáo hóa học: " Gold colloidal nanoparticle electrodeposition on a silicon surface in a uniform electric field" pdf
... surfaces Uniform distribution was obtained and adsorption was irreversible The density of a gold nanoparticle assembly was investigated and analyzed in relation to several parameters such as voltage, ... ImageJ software on contrastenhanced images For one sample, the silicon substrate was replaced by a platinum-coated silicon substrate The platinum material was deposited by sputtering (under a ... As the differences in particle concentration in the liquid have already been taken into account in the percentage values, the variations in deposited nanoparticle density are not solely explained...
Ngày tải lên: 20/06/2014, 22:20
báo cáo hóa học: " An initial-boundary value problem for the one-dimensional non-classical heat equation in a slab" potx
... Universidad Austral, Paraguay 1950, S2000FZF Rosario, Argentina 4Facultad de Ingenier a, Universidad Nacional de Salta, Buenos Aires 144, 4400 Salta, Argentina Salva et al Boundary Value Problems 2011, ... Volterra integral formulation for problems (1.1) to (1.4) In Section 3, and 5, boundedness, comparisons results and asymptotic behavior regarding particular initial and boundary data are obtained In ... The one- dimensional heat equation Addison-Wesley Publishing Company, Menlo Park, CA (1984) 14 Miller, RK: Non lineal Volterra Integral Equations W .A Benjamin, Inc., California (1971) 15 Friedman,...
Ngày tải lên: 21/06/2014, 02:20
Báo cáo hóa học: " Research Article Electroelastic Wave Scattering in a Cracked Dielectric Polymer under a Uniform Electric Field" doc
... unknowns A1 a α , A2 a α are related to the new one Aa α through A1 a α − 2α2 − γ1 α p/c2 p c2 Aa α E0 2A1 μ ε0 η α2 aa α , 4.39 − A2 a α p/c2 E0 A2 αaa α 2αAa α − μ The unknowns Aa α and aa α can be ... solutions a , ϕea , ψea and a are a ϕea π ∞ − aa α e−αy sin αx dα, 4.30 c2 p A2 a α e−γ2 αy A1 a α e−γ1 αy ψea ∞ π π ∞ a − π E0 2A1 μ − c2 p A2 A3 αaa α e−αy E0 A2 αaa α e−αy μ sin αx dα, cos ... aa α cosh αy sin αx dα, 4.32 12 Boundary Value Problems where aa α , A1 a α , A2 a α , and aa α are unknown functions The displacements and stresses are obtained as uxa π ∞ A1 a α e−γ1 c2 p uya...
Ngày tải lên: 21/06/2014, 20:20
a one-dimensional model of blood flow in arteries with friction, convection and unsteady taylor diffusion based on the womersley velocity profile
Ngày tải lên: 13/11/2014, 10:12
Tài liệu Chapter 4: Motion in Two and Three Dimensions docx
... dt Average and Instantaneous Acceleration The average acceleration is defined as: r aavg change in velocity average acceleration = time interval r r r v − v ∆v = 1= ∆t ∆t We define as the instantaneous ... − z1 t1 t2 (4 -3) Average and Instantaneous Velocity Following the same approach as in chapter we define the average velocity as: displacement average velocity = time interval r ˆ ˆ ˆ ˆ ˆ ˆ ∆r ... respectively These two motions are independent of each other Motion along the xaxis has zero acceleration Motion along the y-axis has uniform acceleration ay = -g (4 - 7) Horizontal Motion: ax = v x = v0...
Ngày tải lên: 13/12/2013, 05:15
Báo cáo khoa học: "A Uniform Treatment of Pragmatic Inferences in Simple and Complex Utterances and Sequences of Utterances" pot
... be cancelled We are not aware of any formalism or computational approach that offers a unified explanation for the cancellability of pragmatic inferences in general, and of no approach that handles ... information and that information can be more easily updated in the future T h a t means that if an interpretation m0 makes an utterance true by assigning to a relation R a defensible status, ... suppositions in a logical framework that handles defaults (Reiter, 1980), but this approach is not tractable and it treats natural disjunction as an exclusiveor and implication as logical equivalence...
Ngày tải lên: 08/03/2014, 07:20
Báo cáo khoa học: Proper targeting and activity of a nonfunctioning thyroid-stimulating hormone receptor (TSHr) combining an inactivating and activating TSHr mutation in one receptor pptx
... an inactivating one Double mutant receptors (containing two activating TSHr mutations) harboring the amino acid substitution P639S (6th transmembrane segment) [17] and I486M (1st extracellular ... the cAMP and IP pathways These data show that an inactive form of the TSHr which is trapped inside a cell after transfection is able to gain the membrane surface when combined with an activated ... to stimulate the cAMP or IP regulatory cascades Surprisingly the combination of a strong inactivating mutation with an activating one produced a receptor that was able to be expressed at the cell...
Ngày tải lên: 08/03/2014, 08:20
Jesse liberty, siddhartha rao, bradley jones teach youserf c++ in one hour a day
... Siddhartha Rao Bradley Jones Sams Teach Yourself C++ in One Hour a Day 800 East 96th Street, Indianapolis, Indiana 46240 Sams Teach Yourself C++ in One Hour a Day Copyright © 2009 by Sams Publishing ... the language The ANSI Standard The Accredited Standards Committee, operating under the procedures of the American National Standards Institute (ANSI), has created an international standard for ... programming language In addition to not allowing pointers, Java also managed memory and performed garbage collection for the user After Java, C# was one of the first languages developed to be based...
Ngày tải lên: 19/03/2014, 14:09
Sams Teach Yourself C++ in One Hour a Day Seventh Edition doc
... 4: Managing Arrays and Strings 57 What Is an Array? 58 The Need for Arrays 58 Declaring and Initializing Static Arrays How Data Is Stored in an Array ... return value of an application that has terminated naturally In many cases, one application is launched by another and the parent application (that launches) wants to know if the child application ... Generating an Executable Writing a C++ program is a first step towards creating an executable that can eventually run on your operating system The basic steps in creating applications in C++ are...
Ngày tải lên: 23/03/2014, 15:20