Double Quantum Dot Spectrum
Tunable eigenvalue visualizer
⟨
ψ
| home⟩
Spectrum
eigenvalues E
n
Spectroscopy
transitions ΔE/h
Magnetic Field
▾
|B| (mT)
20
θ
B
(deg)
0
φ
B
(deg)
0
Tunnel Coupling & Charging
▾
t (GHz)
0.70
U (GHz)
550
g-Tensor Dot 1 (diagonal)
▾
g
1,x
2.0000
g
1,y
2.0000
g
1,z
0.1500
g-Tensor Dot 2 (diagonal)
▾
g
2,x
2.0000
g
2,y
2.0000
g
2,z
0.1700
Spin-Orbit
▾
θ
SO
(deg)
7.5
n
SO
θ (deg)
90
n
SO
φ (deg)
0
Plot Settings
▾
Sweep x
Detuning (ε)
Barrier voltage (V
b
)
Tunnel coupling (t)
Align to B
Rotate spin basis to B-field axis
Overlap power
6.0
Sweep points
1000
Dot size
8.0
α
ε
0.200
ε in mV
Display ε axis in mV
ε (GHz)
to
V
b
(mV)
to
t (GHz)
to
Fixed ε (GHz)
0.0
t
0
(GHz)
0.40
α (1/mV)
-0.092
E (MHz)
to
Spectroscopy
▾
Sweep x
Barrier voltage (V
b
)
Tunnel coupling (t)
Detuning (ε)
Initial state
T−
T+
T0
S(1,1)
S(2,0)
S(0,2)
↑↓
↓↑
|ΔE|
Fold negative transition frequencies
V
b
(mV)
to
t (GHz)
to
ε (GHz)
to
Fixed ε (GHz)
0.0
Fixed t (GHz)
0.70
t(V
b
) = t
0
·e
α V
b
t
0
(GHz)
0.40
α (1/mV)
-0.092
ΔE (MHz)
to