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Title of Journal: Astrophys Space Sci

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Abbravation: Astrophysics and Space Science

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Springer Netherlands

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1572-946X

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Obliquely propagating nonlinear structures in dens

Authors: W Masood H Rizvi M Siddiq
Publish Date: 2011/10/13
Volume: 337, Issue: 2, Pages: 629-635
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Abstract

Nonlinear electrostatic waves in dense dissipative magnetized electronpositronion epi plasmas are investigated employing the quantum hydrodynamic model In this regard Zakharov Kuznetsov Burgers ZKB equation is derived in dense plasmas using the small amplitude perturbation expansion method It is observed that obliqueness positron concentration kinematic viscosity and the ambient magnetic field significantly alter the structure of nonlinear quantum ion acoustic waves in dense dissipative epi magnetoplasmas The present study may be useful to understand the nonlinear propagation characteristics of electrostatic shock structures in dense astrophysical systems where the quantum effects are expected to dominate

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