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Ultrafast relaxation of lattice distortion in two-dimensional perovskites
Direct visualization of ultrafast coupling between charge carriers and lattice degrees of freedom in photoexcited semiconductors has remained a...
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Sensing and Imaging Molecular Oxygen in Mammals with Spin Lattice Relaxation Electron Paramagnetic Resonance
Molecular oxygen and its thermodynamic transformation drive nearly all life processes. Quantitative measurement and imaging of oxygen in living...
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A lattice Boltzmann relaxation scheme for incompressible fluid flows
Recently, a novel lattice Boltzmann relaxation scheme is introduced for simulating compressible flows in Raghurama Rao et al. (A lattice Boltzmann...
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A rescaling algorithm for multi-relaxation-time lattice Boltzmann method towards turbulent flows with complex configurations
Understanding and modeling flows over porous layers are of great industrial significance. To accurately solve the turbulent multi-scale flows on...
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Data-driven optimization study of the multi-relaxation-time lattice Boltzmann method for solid-liquid phase change
Sharp phase interfaces and accurate temperature distributions are important criteria in the simulation of solid-liquid phase changes. The...
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Study on the flow structure in curved open channels with suspended vegetation using multi relaxation time lattice Boltzmann method
Suspended vegetation in rivers, lakes, reservoirs and canals can change flow structure, which will in turn affect the sediment transport and cause...
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Bloch Equation Description with Relaxation Time
In the previous chapter, we considered the Bloch equations without taking into account the relaxation process to provide better visualization of the...
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Possibility of Measurement of the Three-Spin Dipolar Contribution to Nuclear Spin–Lattice Relaxation in Solids by the Conventional Pulse NMR Technique
It is shown that the contribution of the three-spin non-secular dipolar interactions of nuclei to their spin–lattice relaxation in solids can be...
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Relaxation Dynamics of Free Carriers
The generation of electron-hole pairs by optical absorption of photons from an excitation source like a pulsed or cw laser leads to a non-equilibrium...
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Relaxation Methods
The “large step**” relaxation method for solution of the invariance equation is developed.
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Relaxation effects in transition metal dichalcogenide bilayer heterostructures
While moiré structures in twisted bilayer transition metal dichalcogenides (TMDCs) have been studied for over a decade, the importance of lattice...
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Modeling the Wettability of Microstructured Hydrophobic Surface Using Multiple-relaxation-time Lattice Boltzmann Method
Wetting properties are significant for a hydrophobic surface and normally characterized by the equilibrium contact angle. In this manuscript, a...
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Analysis of the Proton Spin–Lattice Relaxation in Wine and Hydroalcoholic Solutions
NMR relaxometry is a powerful analytical method that can easily be applied to wine. Proton spin–lattice nuclear magnetic relaxation dispersion...
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Comparative study of two-relaxation time lattice Boltzmann and finite element methods for a planar 4:1 contraction flow: a Newtonian fluid at finite Reynolds numbers
We study the flow behavior of a Newtonian fluid in a planar 4:1 contraction channel using two numerical methodologies: the two-relaxation time...
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Impact of γ-Irradiation on Separation of Nuclear Spin-Relaxation Mechanisms Under Magnetic Saturation in a NaF Crystal
Studies were carried out on the effect of additional continuous magnetic saturation of the NMR line on nuclear spin relaxation in a NaF single...
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Molecular Motion, Correlation, and Relaxation Time
As we discussed before, the relaxation process is a key element of NMR and MRI techniques. For a two-level system, the spin transitions occur between...
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Natural convection in an L-shaped enclosure using multi-relaxation time lattice Boltzmann method
Natural convection in L-shaped geometries has many applications in many branches of engineering science, such as cooling of electronic equipment,...
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Fundamentals of Lattice Boltzmann Method
Different from the traditional computational fluid dynamics based on the macroscopic Navier–Stokes equations, the lattice Boltzmann method (LBM),...
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Evaluation of Strain-Relaxation of Carbon-Doped Silicon Nanowires and Its Crystal Orientation Dependence Using X-Ray Diffraction Reciprocal Space Map**
Carbon-doped silicon (Si:C) thin films with C concentrations of 0.60% and 0.83% were fabricated into nanowires, and the lattice strain relaxation...
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Lattice Boltzmann method for simulating transport phenomena avoiding the use of lattice units
In this paper, we propose a dimensional lattice Boltzmann method (LBM) that numerically solves the discrete lattice Boltzmann equation directly in...
