Journal
INTERNATIONAL JOURNAL OF MODERN PHYSICS A
Volume 27, Issue 12, Pages -Publisher
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0217751X12500662
Keywords
Inflation; entropic force
Categories
Funding
- World Premier International Research Center Initiative (WPI initiative), MEXT, Japan
- Japan Society for Promotion of Science (JSPS) [21740167]
- Cosmology Initiative at Arizona State University
- National Science Foundation (KITP, UCSB) [PHY05-51164]
- US Department of Energy [DE-FG02-05ER41418, DE-AC02-05CH11231]
- WCU of NRF/MEST [R32-2009-000-10130-0]
- CNRS Chaire Blaise Pascal
- Grants-in-Aid for Scientific Research [21740167] Funding Source: KAKEN
- National Research Foundation of Korea [R32-2012-000-10130-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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One of the major pillars of modern cosmology theory is a period of accelerating expansion in the early universe. This accelerating expansion, or inflation, must be sustained for at least 30 e-foldings. One mechanism used to drive the acceleration is the addition of a new energy field, called the inflaton; often this is a scalar field. We propose an alternative mechanism which, like our approach to explain the late-time accelerating universe, uses the entropy and temperature intrinsic to information holographically stored on a surface enclosing the observed space. The acceleration is due in both cases to an emergent entropic force, naturally arising from the information storage on the horizon.
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