DETECTABILITY OF TENSOR PERTURBATIONS THROUGH ANISOTROPY OF THE COSMIC BACKGROUND-RADIATION

被引:53
作者
KNOX, L
TURNER, MS
机构
[1] UNIV CHICAGO,DEPT PHYS,CHICAGO,IL 60637
[2] UNIV CHICAGO,ENRICO FERMI INST,DEPT ASTRON & ASTROPHYS,CHICAGO,IL 60637
关键词
D O I
10.1103/PhysRevLett.73.3347
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Detection of the tensor perturbations predicted in inflationary models is important for testing inflation as well as for reconstructing the inflationary potential. We show that because of cosmic variance the tensor contribution to the square of the cosmic background radiation quadrupole anisotropy must be greater than about 14% of the scalar contribution to ensure a statistically significant detection of tensor perturbations. This sensitivity could be achieved by full-sky measurements on angular scales of 3°and 0.5°. © 1994 The American Physical Society.
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页码:3347 / 3350
页数:4
相关论文
共 35 条
[1]   CONSTRAINTS ON GENERALIZED INFLATIONARY COSMOLOGIES [J].
ABBOTT, LF ;
WISE, MB .
NUCLEAR PHYSICS B, 1984, 244 (02) :541-548
[2]  
BARDEEN JM, 1983, PHYS REV D, V28, P697
[3]   MEASURING COSMOLOGICAL PARAMETERS WITH COSMIC MICROWAVE BACKGROUND EXPERIMENTS [J].
BOND, JR ;
CRITTENDEN, R ;
DAVIS, RL ;
EFSTATHIOU, G ;
STEINHARDT, PJ .
PHYSICAL REVIEW LETTERS, 1994, 72 (01) :13-16
[4]  
BOND JR, 1987, MON NOT R ASTRON SOC, V226, P255
[5]   THE CASE FOR AN OPEN UNIVERSE [J].
COLES, P ;
ELLIS, G .
NATURE, 1994, 370 (6491) :609-615
[6]   RECONSTRUCTING THE INFLATION POTENTIAL - IN PRINCIPLE AND IN PRACTICE [J].
COPELAND, EJ ;
KOLB, EW ;
LIDDLE, AR ;
LIDSEY, JE .
PHYSICAL REVIEW D, 1993, 48 (06) :2529-2547
[7]   POLARIZATION OF THE MICROWAVE BACKGROUND DUE TO PRIMORDIAL GRAVITATIONAL-WAVES [J].
CRITTENDEN, R ;
DAVIS, RL ;
STEINHARDT, PJ .
ASTROPHYSICAL JOURNAL, 1993, 417 (01) :L13-L16
[8]   IMPRINT OF GRAVITATIONAL-WAVES ON THE COSMIC MICROWAVE BACKGROUND [J].
CRITTENDEN, R ;
BOND, JR ;
DAVIS, RL ;
EFSTATHIOU, G ;
STEINHARDT, PJ .
PHYSICAL REVIEW LETTERS, 1993, 71 (03) :324-327
[9]   COSMIC MICROWAVE BACKGROUND PROBES MODELS OF INFLATION [J].
DAVIS, RL ;
HODGES, HM ;
SMOOT, GF ;
STEINHARDT, PJ ;
TURNER, MS .
PHYSICAL REVIEW LETTERS, 1992, 69 (13) :1856-1859
[10]  
DEKEL A, 1994, ANNU REV ASTRON ASTR, V32, P371