This is the 2D-native counterpart to the 3D atom interferometer simulator. Rather than orbiting a rendered atom cloud in a beam tube, it draws the same pulse sequence as a flattened path diagram: a cloud of laser-cooled atoms hit by three light pulses spaced by time T. The first (π/2) splits each atom's matter wave into two paths (up/down on this diagram); the second (π) at time T bends the paths back toward each other; the third (π/2) at time 2T recombines them, and which output port an atom lands in depends on the phase difference the two paths picked up.
Δφ = k_eff·a·T² + κ·Ω·T² (scaled units for visualization)
P(A) = (1 + cos Δφ)/2
P(B) = 1 − P(A)
- Applied acceleration — shifts the phase quadratically with T; the signal a cold-atom gravimeter reads to measure local gravity.
- Rotation rate — the Sagnac-type term from the enclosed area between the two paths; the basis of atom-interferometric gyroscopes.
- Pulse separation T — longer free-fall time between pulses means more phase accumulates per unit of acceleration or rotation.
Identical phase formula and pulse timing as the 3D version — only the representation is genuinely 2D, drawn directly as a diagram instead of a rendered scene.