[ital COBE] DMR observations of early universe physics
Conference
·
· AIP Conference Proceedings (American Institute of Physics); (United States)
OSTI ID:5017465
- Lawrence Berkeley Laboratory, SSL and CfPA University of California, Bldg. 50-351 1 Cyclotron Road, Berkeley, California 94720 (United States)
The [ital COBE] Differential Microwave Radiometer (DMR) instrument has observed that the full microwave sky is remarkably uniform in the millimeter to centimeter wavelength range. However at a small level ([le]10[sup [minus]5]), there is large-scale structure. The natural interpretation of this structure is as the imprint of spatial curvature fluctuations, primarily due to density variations, in the early universe. The results are supportive of gravitational instability theories of structure formation and inflation/quantum cosmology models. The natural energy scale for inflation then is [similar to]10[sup 16] GeV. A failure to find fluctuations within a factor of two of the [ital COBE] DMR level would have contradicted gravitational instability models with a near scale-invariant spectra.
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 5017465
- Report Number(s):
- CONF-920837--
- Conference Information:
- Journal Name: AIP Conference Proceedings (American Institute of Physics); (United States) Journal Volume: 272:2
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
661310* -- Relativity & Gravitation-- (1992-)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BACKGROUND RADIATION
CALCULATION METHODS
CAUSALITY
COSMIC RADIATION
COSMOLOGICAL MODELS
ELECTRONIC EQUIPMENT
EQUIPMENT
GRAVITATIONAL FIELDS
INFLATIONARY UNIVERSE
INSTABILITY
IONIZING RADIATIONS
MATHEMATICAL MODELS
MEASURING INSTRUMENTS
MICROWAVE EQUIPMENT
MONTE CARLO METHOD
RADIATION DETECTORS
RADIATIONS
RADIOMETERS
SPACE VEHICLES
VEHICLES
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BACKGROUND RADIATION
CALCULATION METHODS
CAUSALITY
COSMIC RADIATION
COSMOLOGICAL MODELS
ELECTRONIC EQUIPMENT
EQUIPMENT
GRAVITATIONAL FIELDS
INFLATIONARY UNIVERSE
INSTABILITY
IONIZING RADIATIONS
MATHEMATICAL MODELS
MEASURING INSTRUMENTS
MICROWAVE EQUIPMENT
MONTE CARLO METHOD
RADIATION DETECTORS
RADIATIONS
RADIOMETERS
SPACE VEHICLES
VEHICLES