- #1
Superfluid universe
- 17
- 2
c² = (n/m) ∂²U/∂n²
where
U = vacuum energy density as a function of the quasiparticle density
n = quasiparticle number density
m = bare mass of quasiparticle
Is there a book, article where this formula is explained?
Thank you.
where
U = vacuum energy density as a function of the quasiparticle density
n = quasiparticle number density
m = bare mass of quasiparticle
Is there a book, article where this formula is explained?
Thank you.