Published 2023 | Version v1
Journal article

Anisotropic compact stellar solution in general relativity

  • 1. Department of Mathematics, Government General Degree College, Kushmandi, 733121, Dakshin Dinajpur, West Bengal (India)
  • 2. Department of Mathematics, Jadavpur University, 700 032, Kolkata, West Bengal (India)
  • 3. Centre for Cosmology, Astrophysics and Space Science, GLA University, 281406, Mathura, Uttar Pradesh (India)
  • 4. Department of Physics, Malda College, 732101, Malda, West Bengal (India)
  • 5. Department of Physics, North Bengal St. Xavier's College, 735135, Jalpaiguri, West Bengal (India)
  • 6. Department of Physics, University of Kalyani, 741235, Nadia, West Bengal (India)

Description

We present herein a new class of singularity-free interior solutions to describe realistic anisotropic compact stellar objects with spherically symmetric matter distribution. A specific form of anisotropy is assumed to obtain the exact solution for the field equation. Smooth matching of interior solutions thus obtained with the Schwarzschild exterior metric over the bounding surface of a compact star, together with the condition that the radial pressure vanishes at the boundary, is used to obtain the mathematical form for the model parameters. The pulsar 4U1608-52 with its current estimated data (mass = 1.57 M and radius = 9.8±0.8 km; Özel et al. in ApJ 820:28, 2016) is used to study the model graphically.

Availability note (English)

Available from: http://dx.doi.org/10.1140/epjc/s10052-023-11351-y

Additional details

Publishing Information

Journal Title
European Physical Journal. C, Particles and Fields (Online)
Journal Volume
83
Journal Issue
4
Journal Page Range
vp.
ISSN
1434-6052
CODEN
EPCFFB

INIS

Country of Publication
Germany
Country of Input or Organization
Germany
INIS RN
54059570
Subject category
S79: ASTROPHYSICS, COSMOLOGY AND ASTRONOMY;
Descriptors DEI
ANISOTROPY; GENERAL RELATIVITY THEORY; PULSARS; STARS
Descriptors DEC
COSMIC RADIO SOURCES; FIELD THEORIES; RELATIVITY THEORY

Optional Information

Notes
AID: 307