从时空非交换性中涌现的最大加速度
Emergence of maximal acceleration from non-commutativity of space-time
AI总结:
本文研究了κ变形时空导致的最大加速度的涌现及其与非交换性相关的影响。
摘要:
在本文中,我们展示κ变形闵氏时空的因果连通4维线元导致了proper加速度的上限,并推导出这种最大加速度,其有效到变形参数的一阶。我们发现对最大加速度的贡献与ℏ无关,因此信号了非交换性本身的影响。我们还构建了κ变形的测地线方程,并获得了其κ变形的牛顿极限,有效到变形参数的一阶。利用此,我们约束了出现在最大加速度表达式中的非交换参数。我们分析了最大加速度的不同极限,并讨论了其对最大温度的 implication。我们还获得了变形参数的界。
英文摘要:
In this paper, we show that the causally connected $4$-dimensional line element of the $κ$-deformed Minkowski space-time induces an upper cut-off on the proper acceleration and derive this maximal acceleration, valid up to first order in the deformation parameter. We find a contribution to maximal acceleration which is independent of $\hbar$ and thus signals effect of the non-commutativity alone. We also construct the $κ$-deformed geodesic equation and obtain its $κ$-deformed Newtonian limit, valid up to first order in deformation parameter. Using this, we constrain non-commutative parameters present in the expression for maximal acceleration. We analyse different limits of the maximal acceleration and also discuss its implication to maximal temperature. We also obtain a bound on the deformation parameter.
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