- Abstract:
-
We revisit anthropic arguments purporting to explain the measured value of the cosmological constant. We argue that different ways of assigning probabilities to candidate universes lead to totally different anthropic predictions. As an explicit example, we show that weighting different universes by the total number of possible observations leads to an extremely small probability for observing a value of Lambda equal to or greater than what we now measure. We conclude that anthropic reasoning ...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1103/physrevlett.97.201301
-
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- Journal:
- Physical review letters
- Volume:
- 97
- Issue:
- 20
- Pages:
- 201301
- Publication date:
- 2006-11-05
- DOI:
- EISSN:
-
1079-7114
- ISSN:
-
0031-9007
- URN:
-
uuid:c4d52a7d-df19-44a2-9fa5-843bcfc7150f
- Source identifiers:
-
24123
- Local pid:
- pubs:24123
- Language:
- English
- Copyright date:
- 2006
Journal article
Why anthropic reasoning cannot predict Lambda.
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