Table 2.

Possible values of M and relative states. We consider ε₂ < 0

m1	−1	+1	−1	+1
m2	−1	−1	+1	+1
M−	0	+2	−2	0
States if ε1 < 0	$∣gg⟩∣0⟩$	$∣eg⟩∣-\alpha ⟩$	$∣ge⟩∣+\alpha ⟩$	$∣ee⟩∣0⟩$
M+	+2	0	0	−2
States if ε1 > 0	$∣gg⟩∣+\alpha ⟩$	$∣eg⟩∣0⟩$	$∣ge⟩∣0⟩$	$∣ee⟩∣-\alpha ⟩$