Table 4 Velocity of EM wave (normalized to c) in plasma with changing magnetic field.

From: Electromagnetic wave transparency of X mode in strongly magnetized plasma

\(B_0\)

Velocity from method I

Modified \(k_x\) (\(\omega _{pe}/c\))

Velocity from method II

8

0.78

0.2518

0.79

15

0.87

0.228

0.88

20

0.92

0.2137

0.94

40

0.96

0.2030

0.98