L - Florence Theory Group - Infn
L - Florence Theory Group - Infn
L - Florence Theory Group - Infn
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SM M gives rise di-fermion di fermion condensation producing a<br />
Majorana mass term. Work in the Nambu-Gorkov<br />
Nambu Gorkov basis:<br />
r<br />
1 ⎛ ψ ( p)<br />
⎞<br />
χ = ⎜ r ⎟<br />
⎜ ⎟<br />
⎝Cψ<br />
∗<br />
2 ( −p)<br />
⎠<br />
Near the Fermi surface<br />
ξr<br />
p ≡<br />
r<br />
r ∂E(<br />
p)<br />
( p)<br />
− µ ≈ r<br />
∂p<br />
r r<br />
r r r r r<br />
⋅(<br />
p − pF<br />
) ≡ vF<br />
⋅(<br />
p − p<br />
E F<br />
r<br />
p<br />
F<br />
r<br />
= µ v l r<br />
F<br />
r<br />
p<br />
r<br />
µ v<br />
= F<br />
p=<br />
p<br />
F<br />
+<br />
r<br />
l<br />
)