Vacuum Expectation Value of the Spinor Massive field in the Cosmic String Space-Time
arXiv:hep-th/0602048 · doi:10.1088/0264-9381/23/10/015
Abstract
We found the contribution to the vacuum expectation value of the energy-momentum tensor of a massive Dirac field due to the conical geometry of the cosmic string space-time. The heat kernel and heat kernel expansion for the squared Dirac operator in this background are also considered and the first three coefficients were found in an explicity form.
arXiv comment9 pages, 1 figure (2 ref added) (enlarged version)
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- Vacuum expectation value of the energy-momentum tensor in a higher dimensional compactified cosmic string spacetime
- Fermionic vacuum polarization around a cosmic string in compactified AdS spacetime
- Induced Fermionic vacuum polarization in dS spacetime with a compactified cosmic string
- Fermionic condensate and the Casimir effect in cosmic string spacetime
- Semiclassical backreaction around a nearly spinning cosmic string
- Topological effects in fermion condensate induced by cosmic string and compactification on AdS bulk
- Vacuum bosonic currents induced by a compactified cosmic string in dS background
- Vacuum polarization in a cosmic string spacetime induced by flat boundary
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