Extremization of mass of charged superdense star models describe by Durgapal type space-time metric |
| |
| Authors: | S K Maurya Y K Gupta |
| |
| Institution: | 1.Department of Mathematics,Indian Institute of Technology Roorkee,Roorkee,India |
| |
| Abstract: | In the present article, we have obtained a class of charged superdense star models, starting with a static spherically symmetric
metric in curvature coordinates by considering Durgapal (J. Phys. A 15:2637, 1982) type metric i.e. g
44=B(1+Cr
2)
n
, where n being any positive integer. It is observed that the maximum mass of the charged fluid models is monotonically increasing
with the increasing values of n≤4. For n≥4, the maximum mass of the charged fluid models is throughout monotonically decreasing and over all maximum mass is attained
at n=4. The present metric tends to another metric which describes the charged analogue of Kuchowicz neutral solution as n→∞. Consequently the lower limit of maximum mass of the charged fluid models could be determined and found to be 5.1165 solar
mass with corresponding radius 18.0743 Km. While the upper limit of maximum mass of the model of this category is already
known to be 5.7001 solar mass with corresponding radius 17.1003 Km for n=4. The solutions so obtained are well behaved. |
| |
| Keywords: | |
| 本文献已被 SpringerLink 等数据库收录！ |
|
