Supernova cosmology and the fine structure constant

被引：10

作者：

Chiba, T ^{[1
]}

Kohri, K

机构：

[1] Kyoto Univ, Dept Phys, Kyoto 6068502, Japan

[2] Univ Tokyo, Sch Sci, RESCEU, Tokyo 1130033, Japan

来源：

PROGRESS OF THEORETICAL PHYSICS | 2003年 / 110卷 / 02期

关键词：

D O I：

10.1143/PTP.110.195

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study the dependence of the peak luminosity of Type Ia supernovae on the fine structure constant alpha. We find that decreasing (increasing) alpha enhances (reduces) the luminosity. Future experiments like SNAP could determine the variation of alpha to a precision of 10(-2).

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页码：195 / 199

页数：5

相关论文

共 29 条

[1]

BAHCALL JN, ASTROPH0301507

[2] Cosmic microwave background temperature and polarization anisotropy in Brans-Dicke cosmology [J].

Chen, XL ;

Kamionkowski, M .

PHYSICAL REVIEW D, 1999, 60 (10)

[3] Quintessence cosmology and varying α [J].

Chiba, T ;

Kohri, K .

PROGRESS OF THEORETICAL PHYSICS, 2002, 107 (03) :631-636

[4] THE LUMINOSITY OF TYPE-I SUPER-NOVAE [J].

COLGATE, SA ;

PETSCHEK, AG ;

KRIESE, JT .

ASTROPHYSICAL JOURNAL, 1980, 237 (03) :L81-L85

[5]

COX AN, 1970, ASTROPHYS J SUPPL S, V19, P243, DOI 10.1086/190207

[6] Changing α with time:: Implications for fifth-force-type experiments and quintessence -: art. no. 091303 [J].

Dvali, G ;

Zaldarriaga, M .

PHYSICAL REVIEW LETTERS, 2002, 88 (09) :4

[7]

Firestone R. B., 1996, Table of Isotopes, V8th

[8] QUARK MASSES [J].

GASSER, J ;

LEUTWYLER, H .

PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS, 1982, 87 (03) :77-169

[9] Bounds on the possible evolution of the gravitational constant from cosmological type-Ia supernovae -: art. no. 023506 [J].

Gaztañaga, E ;

García-Berro, E ;

Isern, J ;

Bravo, E ;

Domínguez, I .

PHYSICAL REVIEW D, 2002, 65 (02)

[10] PROSPECTS FOR GAMMA-RAY LINE OBSERVATIONS OF INDIVIDUAL SUPERNOVAE [J].

GEHRELS, N ;

LEVENTHAL, M ;

MACCALLUM, CJ .

ASTROPHYSICAL JOURNAL, 1987, 322 (01) :215-233