Particles with spin in stationary flat spacetimes
Particles with spin in stationary flat spacetimes
复制标题
静止平坦时空中自旋的粒子
DOI:
10.1007/s10711-011-9692-y
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发表时间:
2012
影响因子:
0.5
通讯作者:
Catherine Meusburger
中科院分区:
文献类型:
--
作者:
Thierry Barbot;Catherine Meusburger
We construct stationary flat three-dimensional Lorentzian manifolds with singularities that are obtained from Euclidean surfaces with cone singularities and closed one-forms on these surfaces. In the application to (2 + 1)-gravity, these spacetimes correspond to models containing massive particles with spin. We analyse their geometrical properties, introduce a generalised notion of global hyperbolicity and classify all stationary flat spacetimes with singularities that are globally hyperbolic in that sense. We then apply our results to (2 + 1)-gravity and analyse the causality structure of these spacetimes in terms of measurements by observers. In particular, we derive a condition on observers that excludes causality violating light signals despite the presence of closed timelike curves in these spacetimes.
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DOI:
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1990
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