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arXiv 0912.5451hep-th
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洛伦兹协变k-Minkowski时空

Lorentz Covariant k-Minkowski Spacetime

Ludwik Dabrowski, Michal Godlinski, Gherardo Piacitelli

摘要:

近年来,人们对非对易坐标系下洛伦兹协方差的解释提出了不同的看法。在这里,通过一个一般的程序,我们构建的k-Minkowski时空的最小正则中心协变。然后,我们表明,虽然通常的k-Minkowski时空下变形(或扭曲)的洛伦兹作用是协变的,由此产生的框架是等价于采取非协变的约束的协变模型。我们的结论与变形协方差的方法的一些一般性意见。

英文摘要:

In recent years, different views on the interpretation of Lorentz covariance of non commuting coordinates were discussed. Here, by a general procedure, we construct the minimal canonical central covariantisation of the k-Minkowski spacetime. We then show that, though the usual k-Minkowski spacetime is covariant under deformed (or twisted) Lorentz action, the resulting framework is equivalent to taking a non covariant restriction of the covariantised model. We conclude with some general comments on the approach of deformed covariance.

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