- Abstract:
-
String theory suggests the simultaneous presence of many ultralight axions possibly populating each decade of mass down to the Hubble scale 10^-33eV. Conversely the presence of such a plenitude of axions (an "axiverse") would be evidence for string theory, since it arises due to the topological complexity of the extra-dimensional manifold and is ad hoc in a theory with just the four familiar dimensions. We investigate how upcoming astrophysical experiments will explore the existence of such a...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1103/PhysRevD.81.123530
-
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- Journal:
- Phys.Rev.D
- Volume:
- 81
- Issue:
- 12
- Pages:
- 123530
- Publication date:
- 2009-05-28
- DOI:
- EISSN:
-
1550-2368
- ISSN:
-
1550-7998
- URN:
-
uuid:9467f2e3-1d17-473e-862e-5fbcea35ae07
- Source identifiers:
-
65295
- Local pid:
- pubs:65295
- Language:
- English
- Keywords:
- Copyright date:
- 2009
- Notes:
- 42 pages, 10 figures;v2: refs and minor changes added
Journal article
String Axiverse
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