Dynamics of a Non-Rotating Test Null String in the Gravitational Field of a Closed “Thick” Null String Radially Expanding or Collapsing in the Plane z = 0
DOI:
https://doi.org/10.15407/ujpe59.11.1114Keywords:
“thick” null string, gravitational fieldAbstract
The dynamics of a test null string moving in the gravitational field of a closed “thick” null string radially expanding or collapsing in the plane z = 0 is considered, provided that the former string does not rotate initially.
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