QT Lab

com.mv.qtlab
by Zapstore _@zapstore.dev

Interactive quantum mechanics wave-function simulator.

Republished from GitHub / F-Droid by the Zapstore main account.

QT Lab allows students, educators, and physics enthusiasts to explore quantum wave functions through real-time interactive numerical and analytical simulations. It provides intuition for quantum phenomena—such as wave-packet dispersion, barrier tunneling, harmonic oscillation, and quantum interference—by rendering complex wave functions dynamically. Features: * Live Wave Function Visualization: View real and imaginary parts alongside probability density. * Wave-Function Library: Load textbook cases like Free Gaussian packets, Infinite Wells, and Harmonic Oscillators. * Interference Workbench: Build custom superpositions and tune amplitudes and phases. * Material You Integration: Dynamic color theming that adapts to your device's wallpaper (Android 12+). * 100% Free and Open Source. Built with Flutter and Material 3.

First release: Oct 14, 2026, 1 total release.

Most recent release: Oct 14, 2026.

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Releases

  • Oct 14, 2026 1.0.3
    📦 What's New in v1.0.3 This release refines the physical accuracy of the simulation engine and improves user experience by clarifying visual adjustments in the wave packet models. 🔬 Physics Engine Improvements • Accurate Wave Packet Energy: The energy expectation value ⟨ E ⟩ for Gaussian wave packets now correctly integrates the momentum spread (σₚ). The calculation evaluates to (k₀² + σₚ²)/2m + ⟨ V ⟩, reflecting the true quantum mechanical energy of the localized state rather than just the central wave number. 🎨 UI & Visualization Clarifications • Packet Dispersion Context: Replaced the "Numerical vs. Analytical Error" card with an explanatory note when viewing Wave Packet modes. This clarifies that wave packet dispersion (σₜ) is slowed down visually by design to maintain readability of the interference structures over longer time evolutions on mobile screens.