TY  -  
T1  - Feebly interacting dark matter particle as the inflaton 
SN  -  /  
UR  - http://hdl.handle.net/10138/174157 
T3  -  
A1  - Tenkanen, Tommi 
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PB  -  
Y1  - 2016 
LA  - eng 
AB  - We present a scenario where a Z 2-symmetric scalar field ϕ first drives cosmic inflation, then reheats the Universe but remains out-of-equilibrium itself, and finally comprises the observed dark matter abundance, produced by particle decays à la freeze-in mechanism. We work model-independently without specifying the interactions of the scalar field besides its self-interaction coupling, $ϕ 4, non-minimal coupling to gravity, $ϕ 2 R, and coupling to another scalar field, gϕ 2 $ 2. We find the sca... 
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OP  -  
KW  - 114 Physical sciences 
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