1887
  1. الرئيسية
  2. A-Z Publications
  3. QScience Connect
  4. المجلد 2014, العدد 1
  5. المقالة
Volume 2014, Issue 1
  • E-ISSN: 2223-506X

ملخص

We have discussed the effect of black body radiation on self-gravitational instability of infinite homogeneous, optically thick quantum plasma carrying a uniform magnetic field. With the help of relevant linearized perturbation quantum magneto-hydrodynamic equations of the problem, using normal mode technique, a general dispersion relation is obtained with black body radiation, quantum correction and magnetic field. Discussed when propagation vectors are longitudinal and transverse to the magnetic field, separately. The new Jeans condition of instability due to quantum correction, magnetic field and black body radiation is discussed. We find that in transverse mode of propagation the condition of Jeans instability of gaseous plasma is modified by quantum correction, magnetic field and black body radiation. In the case of longitudinal mode, it is unaffected by a magnetic field, as this mode provides the Alfven mode separately with the gravitational mode. From the curves we found that the effects of quantum correction, black body radiation and magnetic field have a stabilizing influence.

© 2014 Shrivastava, Patidar, Pensia, licensee Bloomsbury Qatar Foundation Journals.
Loading

جارٍ تحميل قياسات المقالة...

/content/journals/10.5339/connect.2014.16
٢٠١٤-٠٩-٠١
٢٠٢٤-٠٧-٢٣
Loading full text...

Full text loading...

/deliver/fulltext/connect/2014/1/connect.2014.16.html?itemId=/content/journals/10.5339/connect.2014.16&mimeType=html&fmt=ahah

References

  1. Jeans JH. The stability of a spherical nebula. Philosophical Transactions of the Royal Society, London. 1902; 199:1.
     [Google الباحث العلمي]
  2. Chandrashekhar S. Hydrodynamics and hydromagnetic stability. Oxford: Clarendon Press 1961.
     [Google الباحث العلمي]
  3. Langer WD. The stability of interstellar clouds containing magnetic fields. The Astrophysical Journal. 1978; 225:95.
     [Google الباحث العلمي]
  4. Jacobs G, Shukla PK. Stability of molecular clouds in partially ionized self-gravitating space plasmas. Journal of Plasma Physics. 2005; 71:487.
     [Google الباحث العلمي]
  5. Pensia RK, Kumar V, Prajapat V. Role of magnetic field in contraction and fragmentation of interstellar clouds. Ultra Science. 2010; 22:2:253.
     [Google الباحث العلمي]
  6. Vranjes J, Cadez V. Gravitational instability of a homogeneous gas cloud with radiation. Astrophysics and Space Science. 1990; 164:329.
     [Google الباحث العلمي]
  7. Vaghela DS, Shrivastava HSP. Magneto-gravitational instability of a rotating homogeneous gas cloud with radiation. Czechoslovak Journal of Physics. 1994; 44:10:905.
     [Google الباحث العلمي]
  8. Shrivastava HSP, Vaghela DS. Magneto-gravitational stability of a finitely conducting interstellar medium with variable streams and radiation. Proceedings of the National Academy of Science, India. 1997; 67(A)I:75.
     [Google الباحث العلمي]
  9. Radwan AE. Variable streams self-gravitating instability of radiating rotating gas cloud. Applied Mathematics and Computation. 2004; 148:331.
     [Google الباحث العلمي]
  10. Thompson TA. Gravitational instability in radiation pressure-dominated backgrounds. Astrophysics Journal. 2008; 684:212.
     [Google الباحث العلمي]
  11. Tsintsadze NL, Chaudhary R, Shah HA, Murtaza G. Jeans instability in a magneto-radiative dusty plasma. Journal of Plasma Physics. 2008; 74:847.
     [Google الباحث العلمي]
  12. Haas F. A magnetohydrodynamic model for quantum plasmas. Physics Plasmas. 2005; 12:062117.
     [Google الباحث العلمي]
  13. Lundin J, Marklund M, Brodin G. Modified jeans instability criteria for magnetized systems. Physics Plasmas. 2008; 15:072116.
     [Google الباحث العلمي]
  14. Ren H, Wu Z, Cao J, Chu PK. Jeans instability in quantum magnetoplasma with resistive effects. Physics Plasmas. 2009; 16:072101.
     [Google الباحث العلمي]
  15. Masood W, Sallimullah M, Shah HA. A quantum hydrodynamic model for multicomponent quantum magnetoplasma with Jeans term. Physics Letters A. 2008; 372:6757.
     [Google الباحث العلمي]
  16. Sallimullah M, Jamil M, Shah HA, Murtaza G. Jeans instability in a quantum dusty magnetoplasma. Physics Plasmas. 2009; 16:014502.
     [Google الباحث العلمي]
  17. Prajapati RP, Chhajlani RK. Effect of Hall current on the Jeans instability of magnetized viscous quantum plasma. Physica Scripta. 2010; 82:055003.
     [Google الباحث العلمي]
  18. Chandrashekhar S. An Introduction to the study of stellar structure. New York: Dover Publication 1957.
     [Google الباحث العلمي]
  19. Herrengger FJ. Effects of collisions and gyroviscosity on gravitational instability in a two-component plasma. Journal of Plasma Physics. 1972; 8:393.
     [Google الباحث العلمي]
  20. Patidar AK, Pensia RK, Shrivastava V. Effect of electron inertia on radiative instability of rotating two-component gaseous plasma. Canadian Journal of Physics. 2012; 90:1209.
     [Google الباحث العلمي]
/content/journals/10.5339/connect.2014.16
Loading
A stability analysis of a self-gravitating optically thick magnetized quantum plasma including the effects of black body radiation
QScience Connect 2014, 16 (٢٠١٤); https://doi.org/10.5339/connect.2014.16
/content/journals/10.5339/connect.2014.16
/content/journals/10.5339/connect.2014.16
Loading

جارٍ تحميل البيانات والوسائط...

  • نوع المستند: Research Article
الموضوعات الرئيسية 52.40, 94.20.wf, 95.30.Qd, magnetic field, PACS No. 52.35, quantum plasma, radiation pressure and self-gravitational instability

الأكثر اقتباسًا لهذا الشهر Most Cited RSS feed

هذه الخانة مطلوبة
يُرجى إدخال عنوان بريد إلكتروني صالح
Approval was a Success
Invalid data
An Error Occurred
Approval was partially successful, following selected items could not be processed due to error