REMARKS CONCERNING THE NOTION OF FREE-FALL IN AXIOMATIC SPACE-TIME THEORY

被引：3

作者：

SCHROTER, J ^{[1
]}

SCHELB, U ^{[1
]}

机构：

[1] UNIV GESAMTHSCH PADERBORN,AKTIENGESELL THEORET PHYS,D-33098 PADERBORN,GERMANY

来源：

GENERAL RELATIVITY AND GRAVITATION | 1995年 / 27卷 / 06期

关键词：

D O I：

10.1007/BF02108064

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The notion of free fall plays a central role in EPS axiomatics. A constructive procedure for the detection of freely falling gravitational monopoles has been elaborated by Coleman and Korte. This was done in order to eliminate the vagueness of the primitive notion of free fall from spacetime theory. In this paper it is shown that neither the gravitational monopoles nor their free fall can be detected by the proposed procedure alone, without using physical laws beyond the mentioned spacetime theories. For this purpose, two examples of geodesic directing fields in a Schwarzschild space time are presented, one for particles obeying a special Lorentz-force equation and one for objects obeying Papapetrou's spinning particle equation. Two possibilities are discussed to overcome the difficulties of the constructive procedure.

引用

页码：605 / 627

页数：23

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