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The 169 pages that link to Quantum mechanics, each with the reason it gives.

• SpectroscopyNarrower topic: Its quantized states account for many discrete spectral features.

• ElectronNarrower topic: Electron states and measurements follow quantum rather than classical rules.

• Quantum field theoryNarrower topic: Quantum field theory extends its quantum principles to fields and particle-changing processes.

• Quantum electrodynamicsNarrower topic: QED extends quantum mechanics to fields and relativistic particle creation.

• Niels BohrNarrower topic: Bohr’s early model helped lead toward the broader theory that superseded it.

• Quantum gravityNarrower topic: Any quantum theory of gravity must preserve quantum principles such as superposition.

• Planck constantNarrower topic: The Planck constant sets the scale of this broader framework’s characteristic effects.

• Thermal radiationNarrower topic: Quantization introduced to explain thermal spectra became foundational to this broader theory.

• Nuclear magnetic resonanceNarrower topic: Quantized nuclear spin states explain NMR energy levels and resonance transitions.

• Hydrogen atomNarrower topic: Hydrogen’s bound states require a quantum description, not classical orbits.

• Quantum computingNarrower topic: Quantum computing relies on the theory’s rules for states, operations, and measurement.

• Nuclear physicsNarrower topic: Nuclear models rely on its principles to describe quantized nuclear states and reactions.

• Dirac equationNarrower topic: The Dirac equation applies quantum wave dynamics to relativistic particles.

• Astronomical spectroscopyNarrower topic: Quantized energy levels explain why atoms produce discrete spectral lines.

• Bell's theoremNarrower topic: Bell's theorem compares local models with its predicted correlations.

• Molecular spectroscopyNarrower topic: Quantized molecular states make spectroscopy's discrete transitions possible.

• Werner HeisenbergNarrower topic: Heisenberg helped establish this framework by replacing classical trajectories with quantum observables.

• Quantum chemistryNarrower topic: Quantum chemistry applies this broader theory to chemical systems.

• Max BornNarrower topic: Born’s interpretation helped establish the modern probabilistic framework of the theory.

• Wolfgang PauliNarrower topic: Pauli helped establish its formal structure and interpret its rules.

• Atomic spectrumNarrower topic: Its rules account for discrete atomic states and the transitions that generate spectra.

• Paul DiracNarrower topic: Dirac developed a general mathematical framework for quantum states and observables.

• Wave–particle dualityNarrower topic: Wave–particle duality is a central feature of its account of measurement and behavior.

• J. Robert OppenheimerNarrower topic: Oppenheimer’s early research applied this framework to atoms and molecules.

• Atomic spectroscopyNarrower topic: Its rules determine the discrete states and radiation transitions measured in atomic spectra.

• George GamowNarrower topic: Gamow’s early work on alpha decay applied quantum mechanics to a nuclear problem.

• Old quantum theoryNarrower topic: It replaced the old framework with a consistent formalism for microscopic systems.

• Path integral formulationNarrower topic: The path integral is an alternative formulation of this broader theory.

• William ShockleyNarrower topic: Shockley’s semiconductor research relied on quantum explanations of electrons in solids.

• Reduced Planck constantNarrower topic: ℏ is a defining scale throughout this broader theory.

• Eugene WignerNarrower topic: Wigner helped establish its mathematical structure and interpret its symmetries.

• Loop quantum gravityNarrower topic: The approach applies quantum principles to the geometry that general relativity treats classically.

• Microwave spectroscopyNarrower topic: Discrete rotational levels explain the line spectra that classical rotation cannot predict.

• Objective-collapse theoryNarrower topic: Collapse theories alter its usual dynamical laws to address definite outcomes.

• AtomNarrower topic: It explains why electrons occupy quantized states rather than classical orbits.

• Atomic emission spectrumNarrower topic: Its quantized states account for the discrete rather than continuous atomic spectrum.

• Atomic theoryNarrower topic: Modern atomic structure depends on quantum rules rather than classical planetary paths.

• Julian SchwingerNarrower topic: Its principles underlie Schwinger’s operator formulation of particle interactions.

• Louis de BroglieNarrower topic: De Broglie’s hypothesis became one of the foundations of this theory.

• Arnold SommerfeldNarrower topic: Sommerfeld’s old quantum theory helped prepare the problems and methods that the new theory resolved.

• Canonical commutation relationNarrower topic: The canonical relation is part of its mathematical framework for observables.

• William Rowan HamiltonNarrower topic: Hamiltonian mechanics supplied a mathematical framework that was later adapted to quantum theory.

• Stark effectNarrower topic: Its treatment of state mixing explains Stark patterns beyond early atomic models.

• Condensed matter physicsNarrower topic: Electron behavior in materials follows quantum rules, even when the resulting properties are macroscopic.

• Davisson–Germer experimentNarrower topic: The result became evidence for a central quantum description of matter.

• Henry MoseleyNarrower topic: Moseley’s spectral results became part of the evidence that atomic structure follows quantum rules.

• Quantum information scienceNarrower topic: Its laws determine how quantum information can be encoded and manipulated.

• Clebsch–Gordan coefficientsNarrower topic: Quantum angular momentum gave the classical decomposition theorem its central physical role.

• Fritz LondonNarrower topic: Its principles supplied the framework for London’s quantum account of chemical bonds.

• Satyendra Nath BoseNarrower topic: Bose’s statistical argument relied on quantum states and indistinguishable particles.