FRB
scintillation in the
IGM
Almog Yalinewich
Clues from the Dispersion measure
Classical Electron radius
Could it be the intergalactic medium?
Kolmogorov Turbulent Cascade
Dimensional analysis
eddy size
Inner and Outer Scale
Speed of Sound
Outer scale
Inner scale
Scintillation
d
l
Phase Difference
Deflection Angle and Delay Time
Dominated by small scales
Constraint from timescale on outer length
Inequality if
Heating the Intergalactic Medium
Bremsstrahlung cooling timescale
Viscous heating timescale
Constraint on outer scale from heating
Large Scale Strucutre
Dispersion and Scattering Meaure
Dispersion measure from Simulations
mean
standard deviation
contributions from different components
Scattering measure from Simulations
Comparisons to observations
Summary
Previous study
uniform density
Current study
Clumpy IGM
Prevent the universe from boiling
IGM cannot account for SM
frb scintillation in the igm
By almog yalinewich
frb scintillation in the igm
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