Tagged Questions
2
votes
1answer
53 views
What is the first paper to report observations of polaritons?
I am seeking references to the first articles regarding the observation of polaritons.
2
votes
0answers
73 views
Phonon-polariton literature resources? [closed]
What is a good resource for studying phonon-polaritons?
7
votes
2answers
625 views
How to get an imaginary self energy?
The Lehman representation of the frequency-dependent single particle Green's function is
$$G(k,\omega) = \sum_n \frac{|c_k|^2}{\omega - E_n + i\eta}$$
where $n$ enumerates all the eigenstates of the ...
