š
Wavepacket Parameters
Particle Energy (E)
Energy of the incoming quantum particle
0.030 ± 0.005
š” Learning Tip
Higher particle energy increases the probability of tunnelling through the barrier!
š§±
Potential Barrier
Barrier Height (Vā)
Height of the potential energy barrier
0.040
Barrier Width (L)
Width of the potential barrier
20
Ramp Gradient
Smoothness of barrier edges
0
š¬
Quantum Wavefunction Visualization
Speed:
20x
T(E) = e-2ĪŗL where Īŗ = ā(2m(Vā-E)/ā²)
Transmission Coefficient Formula for Quantum Tunnelling
ā”
Learning Scenarios
š¢ Easy Tunnel
High E, Low Vā
š” Balanced
E ā Vā
š“ Hard Tunnel
Low E, High Vā
š Classical
E > Vā (Over)
š Wide Barrier
Large L
š¶ Step Potential
Infinite Width
š
Physics Data
Particle Energy (E)
0.030
Barrier Height (Vā)
0.040
Barrier Width (L)
20 units
Transmission %
0.0%
Reflection %
100.0%
š
Key Observations
- ā Click "ā¶ļø" to start the simulation
- ā Adjust parameters and observe changes
- ā Try different presets to understand tunnelling