Advertisement

Few-Body Systems

, 59:35 | Cite as

Charged Compact Boson Stars in a Theory of Massless Scalar Field

  • Sanjeev Kumar
Article
  • 29 Downloads
Part of the following topical collections:
  1. Light Cone 2017

Abstract

In this work we present some new results obtained in a study of the phase diagram of charged compact boson stars in a theory involving a complex scalar field with a conical potential coupled to a U(1) gauge field and gravity. We obtain new bifurcation points in this model. We present a detailed discussion of the various regions of the phase diagram with respect to the bifurcation points. The theory is seen to contain rich physics in a particular domain of the phase diagram.

Notes

Acknowledgements

I thank Prof. Anuradha Misra for giving me the opportunity to present this work at LC2017 Mumbai. I thank Daya shankar Kulshreshtha and Usha Kulshreshtha for discussions and the CSIR, New Delhi, for the award of a Research Associateship.

References

  1. 1.
    B. Kleihaus, J. Kunz, C. Lämmerzahl, M. List, Charged boson stars and black holes. Phys. Lett. B 675, 102 (2009)ADSMathSciNetCrossRefGoogle Scholar
  2. 2.
    B. Kleihaus, J. Kunz, C. Lämmerzahl, M. List, Boson shells harbouring charged black holes. Phys. Rev. D 82, 104050 (2010)ADSCrossRefGoogle Scholar
  3. 3.
    B. Hartmann, B. Kleihaus, J. Kunz, I. Schaffer, Compact boson stars. Phys. Lett. B 714, 120 (2012)ADSCrossRefGoogle Scholar
  4. 4.
    B. Hartmann, B. Kleihaus, J. Kunz, I. Schaffer, Compact (A) dS boson stars and shells. Phys. Rev. D 88, 124033 (2013)ADSCrossRefGoogle Scholar
  5. 5.
    S. Kumar, U. Kulshreshtha, D. Shankar Kulshreshtha, Boson stars in a theory of complex scalar fields coupled to the U(1) gauge field and gravity. Class. Quant. Grav. 31, 167001 (2014)ADSCrossRefzbMATHGoogle Scholar
  6. 6.
    S. Kumar, U. Kulshreshtha, D.S. Kulshreshtha, Boson stars in a theory of complex scalar field coupled to gravity. Gen. Rel. Grav. 47, 76 (2015)ADSMathSciNetCrossRefzbMATHGoogle Scholar
  7. 7.
    S. Kumar, U. Kulshreshtha, D.S. Kulshreshtha, New results on charged compact boson stars. Phys. Rev. D 93, 101501 (2016)ADSMathSciNetCrossRefGoogle Scholar
  8. 8.
    S. Kumar, U. Kulshreshtha, D.S. Kulshreshtha, Charged compact boson stars and shells in the presence of a cosmological constant. Phys. Rev. D 94, 125023 (2016)ADSCrossRefGoogle Scholar
  9. 9.
    S. Kumar, U. Kulshreshtha, D.S. Kulshreshtha, S. Kahlen, J. Kunz, Phys. Lett. B 772, 615 (2017).  https://doi.org/10.1016/j.physletb.2017.07.041 ADSCrossRefGoogle Scholar

Copyright information

© Springer-Verlag GmbH Austria, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Physics and AstrophysicsUniversity of DelhiDelhiIndia

Personalised recommendations