نتایج جستجو برای: hydrodynamic theory

تعداد نتایج: 804101  

Journal: :Journal of High Energy Physics 2021

We study one-loop corrections to retarded and symmetric hydrostatic correlation functions within the Schwinger-Keldysh effective field theory framework for relativistic hydrodynamics, focusing on charge diffusion. first consider simplified setup with only diffusive density fluctuations, then augment it momentum fluctuations in a model where sound modes can be ignored. show that loop corrections...

Journal: :Physical review letters 2001
M Al-Ghoul B C Eu

A generalized hydrodynamic theory of shock wave structures is presented for rigid diatomic gases. The theory yields shock solutions for all Mach numbers. The accuracy of the theory is examined for nitrogen gas as an example. Excellent agreement with experiment is obtained for the inverse shock widths for the entire range of Mach number studied by experiment. The comparison made shows that we ar...

Journal: :iranian journal of virology 0
f rezaei gastroenterohepatology research center, shiraz university of medical sciences, shiraz, iran sy hosseini gastroenterohepatology research center, shiraz university of medical sciences, shiraz, iran mh karimi shiraz transplant research center, nemazee hospital, shiraz university of medical sciences, shiraz, iran a pakneiat gastroenterohepatology research center, shiraz university of medical sciences, shiraz, iran b geramizadeh shiraz transplant research center, nemazee hospital, shiraz university of medical sciences, shiraz, iran mr fattahi gastroenterohepatology

background and aims: adenovector gene transfer induces inflammatory response that finally leads to vector removal from delivered site. the effect of hydrodynamic pre-injection on adenovector mediated liver inflammation remained elusive. materials and methods: different mice groups were pre-treated by hydrodynamic saline, dexamethasone or nothing prior to adeno-luciferase administration. their s...

Journal: :The Journal of chemical physics 2005
Kyongok Kang J Gapinski M P Lettinga J Buitenhuis G Meier M Ratajczyk Jan K G Dhont A Patkowski

Translational tracer diffusion of spherical macromolecules in crowded suspensions of rodlike colloids is investigated. Experiments are done using several kinds of spherical tracers in fd-virus suspensions. A wide range of size ratios L/2a of the length L of the rods and the diameter 2a of the tracer sphere is covered by combining several experimental methods: fluorescence correlation spectrosco...

2002
Brian J. Enquist B. J. ENQUIST

Recent advances in allometric theory have proposed a novel quantitative framework by which to view the evolution of plant form and function. This general theory has placed strong emphasis on the importance of long-distance transport in shaping the evolution of many attributes of plant form and function. Specifically, it is hypothesized that with the evolutionary increase in plant size natural s...

2002
L MARTÍNEZ ALONSO

We present a theory of compatible differential constraints of a hydrodynamic hierarchy of infinite-dimensional systems. It provides a convenient point of view for studying and formulating integrability properties and it reveals some hidden structures of the theory of integrable systems. Illustrative examples and new integrable models are exhibited.

One of the most valid and efficient models of long rod projectile penetration in homogeneous targets is Tate and Alekseevskii’s (A&t) model. Based on Tate’s model, the present research tries to calculate the optimum speeds to achieve the maximum penetration depth in the homogeneous targets. The proposed collision speed-penetration depth diagrams are developed using Tate’s model. In this way, va...

Journal: :The Journal of chemical physics 2015
J A de la Torre Pep Español Aleksandar Donev

We present a finite element discretization of a non-linear diffusion equation used in the field of critical phenomena and, more recently, in the context of dynamic density functional theory. The discretized equation preserves the structure of the continuum equation. Specifically, it conserves the total number of particles and fulfills an H-theorem as the original partial differential equation. ...

Journal: :Physical review. B, Condensed matter 1987
Kotliar Sompolinsky Zippelius

We study the consequences of rotational symmetry breaking in isotropic vector spin glasses. Starting from a microscopic model we identify the underlying symmetries of time-dependent (replica-dependent) SO(rn) rotations. The hydrodynamic triad theory is confirmed and the spinwave stiffness is related to a generalized transverse susceptibility. An expansion around mean-field theory is used to cal...

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