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gr-qc2003
Remarks on some quantum effects in the spacetime of a cosmic string
Geusa de A. Marques, V. B. Bezerra
We study the behaviour of a non-relativistic quantum particle interacting with different potentials, in the background spacetime generated by a cosmic string. We find the energy sp…
gr-qc2003
On a generalized gravitational Aharonov-Bohm effect
Geusa de A. Marques, V. B. Bezerra
A massless spinor particle is considered in the background gravitational field due to a rotating body. In the weak field approximation it is shown that the solution of the Weyl equ…