magnetic instability
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2021 ◽  
Vol 10 (1) ◽  
pp. 391-401
Author(s):  
T. N. Vishalakshi ◽  
G. Chandra Shekara

In this present study a linear hydro-magnetic instability of time-dependent convection is designed and analyzed by using extended Stuart-Davis technique. The time variations are applied by fluctuating the fluid layer in the direction perpendicular to the flow and also the gravity modulation is introduced as sine and exponential function of time is considered to be one of the important effect. The extended Stuart-Davis technique is applied in tackling the time-dependency. To understand the effect of applied magnetic field and gravity modulation on the convection is analyzed with respect to different values of Chandrasekhar's number. The results shows that the magnetic field is having stabilizing impact in case of sinusoidal variation gravity field on the contrast it as destabilizing impact in case of exponential variation of gravity for short time but in long run it is having stabilizing effect.


2018 ◽  
Vol 96 (11) ◽  
pp. 1163-1172
Author(s):  
Kausik Pal

The cardinal focus of the present review is to investigate the possibility of the para-ferro phase transition of dense quark matter. For these, the calculation of the single-particle energies, ground state energy (GSE) densities, and spin susceptibility χ of degenerate quark matter with one gluon exchange interaction in terms of spin-dependent Landau parameters (LPs) have been presented. The expressions for the GSE and χ of cold and dense spin-polarized quark matter have been derived with corrections due to correlation. Furthermore, the magnetic properties of spin polarized quark matter have been discussed by evaluating the magnetization ⟨M⟩ and magnetic susceptibility χM in terms of LPs. Finally, the possibility of magnetic instability has been revealed by studying the density dependence of ⟨M⟩ and χM.


2018 ◽  
Vol 97 (16) ◽  
Author(s):  
N. Emi ◽  
N. Kawamura ◽  
M. Mizumaki ◽  
T. Koyama ◽  
N. Ishimatsu ◽  
...  

2017 ◽  
Vol 96 (15) ◽  
Author(s):  
L. Eichenberger ◽  
D. Malterre ◽  
B. Malaman ◽  
T. Mazet
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2017 ◽  
Vol 24 (10) ◽  
pp. 103115 ◽  
Author(s):  
L. G. Huang ◽  
H.-P. Schlenvoigt ◽  
H. Takabe ◽  
T. E. Cowan

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