Changes between Version 6 and Version 7 of u/erica/radtimescales


Ignore:
Timestamp:
03/29/16 15:19:35 (9 years ago)
Author:
Erica Kaminski
Comment:

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  • u/erica/radtimescales

    v6 v7  
    4242[[latex($\boxed{t_{diff}\approx 7.5e+6 ~s}$)]]
    4343
    44 or ~ 115 days.
     44or ~86 days.
    4545
    4646
    4747That is a pretty quick diffusion time, considering the 'free streaming limit' gives:
    4848
    49 [[latex($\boxed{t_{fs}=\frac{L}{c}\approx\frac{3e+17}{3e+10}=10^7 ~s}$)]]
     49[[latex($\boxed{t_{fs}=\frac{L}{c}\approx\frac{1.5e+17}{3e+10}=.5e+7 ~s}$)]]
    5050
    5151or 57 days. I am guessing lambda should be something much smaller than 1. From offner's paper, it seems lambda may be interpreted as 1/R. Any estimates on lambda?