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I came across the term "Misner string" in this paper: http://arxiv.org/abs/1509.07854
My understanding is that this originated in the study of spacetimes such as Taub-NUT. If I'm understanding correctly, this involves CTCs encircling the string. Misner's original interpretation of the string was that time was forced to be periodic, which caused energy to be quantized; this makes the string unobservable. Bonnor proposed instead to treat Misner string as a topological defect, with matter as a source: Bonnor, Proc Camb Phil Soc 66 (1969) 145 http://journals.cambridge.org/actio...587332E4.journals?fromPage=online&aid=2067080 . Unfortunately the old papers seem to be paywalled, so I can't access them. (As usual, the journals are doing their best imitations of Mordac, Preventer of Information Services.)
Does anyone know of any freely available description of this topic?
My understanding is that this originated in the study of spacetimes such as Taub-NUT. If I'm understanding correctly, this involves CTCs encircling the string. Misner's original interpretation of the string was that time was forced to be periodic, which caused energy to be quantized; this makes the string unobservable. Bonnor proposed instead to treat Misner string as a topological defect, with matter as a source: Bonnor, Proc Camb Phil Soc 66 (1969) 145 http://journals.cambridge.org/actio...587332E4.journals?fromPage=online&aid=2067080 . Unfortunately the old papers seem to be paywalled, so I can't access them. (As usual, the journals are doing their best imitations of Mordac, Preventer of Information Services.)
Does anyone know of any freely available description of this topic?