Observational evidence against birefringence over cosmological distances

被引：67

作者：

Wardle, JFC

Perley, RA

Cohen, MH

机构：

[1] NATL RADIO ASTRON OBSERV,SOCORRO,NM 87801

[2] CALTECH,DEPT ASTRON,PASADENA,CA 91125

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 79卷 / 10期

关键词：

D O I：

10.1103/PhysRevLett.79.1801

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We show that recent radio and optical observations of polarized radiation from well-resolved high redshift quasars and radio galaxies rule out the cosmological rotation of the plane of polarization claimed recently by Nodland and Ralston [Phys. Rev. Lett. 78, 3043 (1997)]. A least squares fit to the radio data has a slope only 2% of their claimed effect.

引用

页码：1801 / 1804

页数：4

共 20 条

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