Einstein-Cartan-Dirac theory in (1+2)-dimensions


Dereli T., Özdemir N., Sert O.

EUROPEAN PHYSICAL JOURNAL C, cilt.73, sa.1, 2013 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 73 Sayı: 1
  • Basım Tarihi: 2013
  • Doi Numarası: 10.1140/epjc/s10052-013-2279-z
  • Dergi Adı: EUROPEAN PHYSICAL JOURNAL C
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • İstanbul Teknik Üniversitesi Adresli: Evet

Özet

Einstein-Cartan theory is formulated in (1 + 2) dimensions using the algebra of exterior differential forms. A Dirac spinor is coupled to gravity and the field equations are obtained by a variational principle. The space-time torsion is found to be given algebraically in terms of a quadratic spinor condensate field. Circularly symmetric, exact solutions that collapse to AdS(3) geometry in the absence of the Dirac condensate are found.