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The Strange Quantum World
There's another world below atoms
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Quantum Chemistry
See electrons build atoms, orbitals become bonds, molecules cross energy landscapes, light open selected pathways, and spin steer chemical products.
Reality before vocabulary
Foundations
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Superposition
The particle is everywhere at once
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The Wave Function
ψ(x,t) — the math of possibility
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Measurement
Looking is what makes things real
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The Double Slit
One particle going through two slits
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Wave-Particle Duality
Light is both — and so are you
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Uncertainty
Some things can't be known at the same time
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Quantum Tunneling
Particles walk through walls
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The Schrödinger Equation
The equation that runs the universe
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Stationary States
Standing waves in a quantum world
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The Particle in a Box
What happens when you trap a wave
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Hydrogen
How an electron orbits without orbiting
How matter gets its structure
Atomic & Molecular Physics
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Spin
Particles spin without spinning
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The Stern-Gerlach Experiment
The experiment that found spin
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Pauli Exclusion
Why every atom has a shape
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Multi-Electron Atoms
When electrons have to share a house
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Molecular Orbitals
Two atoms, one shared cloud
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Chemical Bonding
Why atoms stick together
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Spectroscopy
How light tells you what something is
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Lasers
Coherent light, plain and simple
Energy landscapes and reactions
Quantum Chemistry
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Electronic Structure
Electrons draw the boundaries of chemistry
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Potential-Energy Surfaces
Molecules move across invisible landscapes
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Reaction Tunneling
A reaction can cross a barrier without climbing it
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Molecular Vibrations
Molecules ring with quantum notes
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Selection Rules
Light only opens certain molecular doors
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Conical Intersections
Excited molecules find hidden emergency exits
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Nonadiabatic Dynamics
Electrons and nuclei stop taking turns
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Charge Transfer
An electron moves before the molecule catches up
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Quantum Solvation
The liquid around a molecule changes the quantum story
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Spin Chemistry
Spin can decide which product forms
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Photochemistry
Light reshapes a reaction before heat can
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Quantum Simulation for Chemistry
Molecules are quantum computers' native language