Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2003-01-27
Physics
High Energy Physics
High Energy Physics - Theory
2 pages. Talk given at the Meeting on Renormalization Group and Anomalies in Gravity and Cosmology, Ouro Preto, Brazil, 17-23
Scientific paper
10.1016/S0920-5632(03)02419-8
We show that a dispiration (a disclination plus a screw dislocation)
polarizes the vacuum of a scalar field giving rise to an energy momentum tensor
which, as seen from a local inertial frame, presents non vanishing off-diagonal
components. The results may have applications in cosmology (chiral cosmic
strings) and condensed matter physics (materials with linear defects).
Jr.
de Lorenci Vitorio A.
Moreira E. S.
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