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Dressed solitons in quantum electron-positron-ion plasmas
Posted on December 14th, 2009 No commentsPrasanta Chatterjee, Kaushik Roy, Ganesh Mondal, S. V. Muniandy, S. L. Yap et al.<br/> Nonlinear propagation of quantum ion acoustic wave mechanicss in a dense quantum plasma whose constituents are electrons, positrons, and positive ions is investigated using a quantum hydrodynamic model. The Kortewegde Vries equation is derived using reductive perturbation technique. The higher order inhomogen … [Phys. Plasmas 16, 122112 (2009)] published Mon Dec 14, 2009.
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Publisher’s Note: A stochastic structural stability theory model of the drift wavezonal flow system [Phys. Plasmas 16, 112903 (2009)]
Posted on December 14th, 2009 No commentsBrian F. Farrell and Petros J. Ioannou<br/> Abstract not available. [Phys. Plasmas 16, 129901 (2009)] published Mon Dec 14, 2009.
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New construction of the magnetohydrodynamic spectrum of stationary plasma flows. II. RayleighTaylor and KelvinHelmholtz instability
Posted on December 14th, 2009 No commentsJ. P. Goedbloed<br/> In a preceding paper [J. P. Goedbloed, Phys. Plasmas 16, 122110 (2009)] a new method was developed to compute the magnetohydrodynamic spectrum of wave mechanicss and instabilities of stationary plasma flows by means of the construction of the solution paths, [script P] and [script P], of stable wave mechanicss and inst … [Phys. Plasmas 16, 122111 (2009)] published Mon Dec 14, 2009.
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Charging of dust particles in an illuminated open complex plasma system
Posted on December 14th, 2009 No commentsMahendra Singh Sodha, Shikha Misra, and S. K. Mishra<br/> This paper presents an investigation of the charging of dust particles in a dusty plasma, irradiated by white light in near space at satellite altitudes. In deference to the recent emphasis on the character of openness in a dusty plasma, the investigation is based on the balance of the number densit … [Phys. Plasmas 16, 123705 (2009)] published Mon Dec 14, 2009.
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New construction of the magnetohydrodynamic spectrum of stationary plasma flows. I. Solution path and alternator
Posted on December 14th, 2009 No commentsJ. P. Goedbloed<br/> A new method of systematically constructing the full structure of the complex magnetohydrodynamic spectra of stationary flows is presented. It is based on the self-adjointness of the generalized force operator G and the DopplerCoriolis shift operator U, and the associated quadratic forms for the nor … [Phys. Plasmas 16, 122110 (2009)] published Mon Dec 14, 2009.
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Gravity induced sedimentation of slender fibers
Posted on December 14th, 2009 No commentsK. Gustavsson and A.-K. Tornberg<br/> Gravity induced sedimentation of slender, rigid fibers in a highly viscous fluid is investigated by large scale numerical simulations. The fiber suspension is considered on a microscopic level and the flow is described by the Stokes equations in a three dimensional periodic domain. Numerical simulat … [Phys. Fluids 21, 123301 (2009)] published Mon Dec 14, 2009.
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Research on the transport and deposition of nanoparticles in a rotating curved pipe
Posted on December 14th, 2009 No commentsJianzhong Lin, Peifeng Lin, and Huajun Chen<br/> A finite-volume code and the SIMPLE scheme are used to study the transport and deposition of nanoparticles in a rotating curved pipe for different angular velocities, Dean numbers, and Schmidt numbers. The results show that when the Schmidt number is small, the nanoparticle distributions are mostly … [Phys. Fluids 21, 122001 (2009)] published Mon Dec 14, 2009.
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On non-Abelian Toda A model and related hierarchies
Posted on December 14th, 2009 No commentsDmitry K. Demskoi and Jyh-Hao Lee<br/> We study limiting cases of the two known integrable chiral-type models with three-dimensional configuration space. One of the initial models is the non-Abelian Toda A model and the other was found by means of the symmetry approach by Meshkov and Demskoi [Theor. Math. Phys. 134, 351 (2003)]. The C-in … [J. Math. Phys. 50, 123516 (2009)] published Mon Dec 14, 2009.
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Infinite integrals of Whittaker and Bessel functions with respect to their indices
Posted on December 14th, 2009 No commentsPeter A. Becker<br/> We obtain several new closed-form expressions for the evaluation of a family of infinite-domain integrals of the Whittaker functions W(x) and M(x) and the modified Bessel functions I(x) and K(x) with respect to the index [mu]. The new family of definite integrals is useful in a variety of contexts i … [J. Math. Phys. 50, 123515 (2009)] published Mon Dec 14, 2009.
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Cone magnetization state and exchange bias in IrMn/Cu/[Co/Pt] multilayers
Posted on December 14th, 2009 No commentsG. M. B. Castro, J. Geshev, J. E. Schmidt, E. B. Saitovich, and L. C. C. M. Nagamine<br/> The effects of a Cu interlayer on the perpendicular exchange bias in IrMn/Cu/[Co/Pt] multilayers were investigated by focusing on the correlation between the exchange bias and the magnetic anisotropy. The in-plane magnetization hysteresis loops were interpreted in the framework of a phenomenological … [J. Appl. Phys. 106, 113922 (2009)] published Mon Dec 14, 2009.