Cooper's problem, BCS gap equation

[@lakshithalathpandura6264]

Dear Professor! It is very great job you do in the lecture series. At 37:40 I guess it should be + sign between 2 terms and it should results 2 omega in numerator instead of 2 omega q. Referenced from Ashcroft Mermin equation 34.10.

[@soubhikchattoraj9364]

Sir 30:58 it is not photon it is Phonon

[@GATeWRN]

Yes I was thinking to comment this

[@Incredibleaim-]

good speech sir

[@utpaldebbarma5277]

Nice sirji

[@ushabarman5225]

Nice sir

[@sabarali5967]

Thanks