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首页> 外文期刊>Journal of Modern Physics >Absolute Maximum Proper Time to an Initial Event, the Curvature of Its Gradient along Conflict Strings and Matter
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Absolute Maximum Proper Time to an Initial Event, the Curvature of Its Gradient along Conflict Strings and Matter

机译:初始事件的绝对最大正确时间,其沿冲突字符串和事件的梯度曲率

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Einstein equation of gravity has on one side the momentum energy density tensor and on the other, Einstein tensor which is derived from Ricci curvature tensor. A better theory of gravity will have both sides geometric. One way to achieve this goal is to develop a new measure of time that will be independent of the choice of coordinates. One natural nominee for such time is the upper limit of measurable time form an event back to the big bang singularity. This limit should exist despite the singularity, otherwise the cosmos age would be unbounded. By this, the author constructs a scalar field of time. Time, however, is measured by material clocks. What is the maximal time that can be measured by a small microscopic clock when our curve starts at near the “big bang” event and ends at an event within the nucleus of an atom? Will our tiny clock move along geodesic curves or will it move in a non geodesic curve within matter? It is almost paradoxical that a test particle in General Relativity will always move along geodesic curves but the motion of matter within the particle may not be geodesic at all. For example, the ground of the Earth does not move at geodesic velocity. Where there is no matter, we choose a curve from near “big bang” to an event such that the time measured is maximal. Without assuming force fields, the gravitational field which causes that two or more such curves intersect at events, would cause discontinuity of the gradient of the upper limit of measurable time scalar field. The discontinuity can be avoided only if we give up on measurement along geodesic curves where there is matter. In other words, our tiny test particle clock will experience force when it travels within matter or near matter.
机译:爱因斯坦引力方程一方面具有动量能量密度张量,另一方面具有从里奇曲率张量导出的爱因斯坦张量。更好的引力理论将使两侧都具有几何形状。实现此目标的一种方法是开发一种新的时间度量,该度量将独立于坐标的选择。此类时间的自然提名人是可追溯到大爆炸奇点事件的可测量时间的上限。尽管有奇异之处,但该限制应该存在,否则宇宙年龄将不受限制。由此,作者构建了一个标量时间域。但是,时间是通过实物时钟来衡量的。当曲线在“大爆炸”事件附近开始并在原子核内的事件结束时,一个小的微观时钟可以测量的最大时间是多少?我们的微小时钟会沿着测地曲线移动还是会在物质内部以非测地曲线移动?广义相对论中的测试粒子将始终沿着测地曲线移动几乎是矛盾的,但是粒子内物质的运动可能根本不是测地线。例如,地球的地面不以测地线速度移动。无论如何,我们都选择一条从“大爆炸”到事件的曲线,以使测量的时间最大。如果不假设力场,则导致两条或更多条此类曲线在事件处相交的重力场将导致可测量时间标量场上限的梯度不连续。仅当我们放弃沿有物质的测地曲线测量时,才能避免不连续性。换句话说,当我们微小的测试粒子钟在物质内部或附近移动时,它将受到力的作用。

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