inter-edge modes: inter-edge magnetoplasmons (IEMP)

I am so struggling with this equation to plot in matlab

If any one can help me with that i try but i spent 1 mounth but i could not do it.

Please i need help

This is the equetion :

which is in this articla (Magneto-Oscillations and Anomalous Current States in a Photoexcited Electron Gas on Liquid Helium) page 35.

Please any one help please.https://link.springer.com/article/10.1007/s10909-019-02210-w

[darova]

Do you have any values? What is C?

[hala siddiq]

let assum c=1

[darova]

What about ω?

[darova]

Can you edit question and add all necessary data?

[hala siddiq]

ok i will do it

Answer 1

[hala siddiq]

i will look for the value then i will reply .

[hala siddiq]

ω=1.3 mm I think

because this case in liquid helium

http://jetp.ac.ru/cgi-bin/dn/e_067_08_1639.pdf