Articles

Accelerator mass spectrometry

Aharonov-Bohm effect

Angular correlations

Antihydrogen

Artificial photosynthesis

Atom

Atom cluster

Atom interferometer, magnetic waveguide

Atom interferometry

Atom laser

Atom lithography

Atom optics

Atomic beams

Atomic clock

Atomic Fermi gas

Atomic mass

Atomic mass unit

Atomic nucleus

Atomic number

Atomic physics

Atomic structure and spectra

Atomic theory

Atomic time

Atoms in microtraps

Attosecond laser pulses

Auger effect

Band spectrum

Beam-foil spectroscopy

Bremsstrahlung

Cathode rays

Channel electron multiplier

Charged particle interactions

Charged-particle transmission through insulating capillaries

Chemical bond

Cotton effect

Coulomb explosion

Delta electrons

Dipole-dipole interaction

Electron

Electron capture

Electron configuration

Electron spectroscopy

Electron spin

Electron wake

Electronvolt

Excitation potential

Exotic atoms

Extended x-ray absorption fine structure (EXAFS)

Fine structure (spectral lines)

Fluorescence

Franck-Condon principle

Frequency and time standards

Frequency comb

Frozen light

Fundamental constants

Gyromagnetic ratio

Hadronic atom

Harmonic motion

High-brilliance synchrotron radiation research

Hyperfine structure

Interaction of photons with ionized matter

Intermolecular force

Ion sources

Ion-solid interactions

Ionization

Ionization chamber

Ionization potential

Isoelectronic sequence

Isotope shift

Jahn-Teller effect

Laser cooling

Laser spectroscopy

Line spectrum

Linewidth

Luminescence

Magnetochemistry

Magneton

Manipulating cold atoms

Mass spectroscope

Microwave spectroscopy

Molecular adhesion

Molecular beams

Molecular diffractograms

Molecular orbital theory

Molecular physics

Molecular structure and spectra

Molecular weight

Molecule

Multiple ionization (strong fields)

Muonium

Negative ion

Noble gas MRI

Nuclear fission

Optical clocks and relativity

Parity (quantum mechanics)

Particle detector

Particle trap

Paschen-Back effect

Photodetachment microscopy

Photoionization

Photoionization, fluorescence, and inner-shell processes

Polar molecule

Polarization of dielectrics

Positron

Positronium

Proton-induced x-ray emission (PIXE)

Quantum chaos in a three-body system

Quantum computation

Quantum electronic properties of matter

Quantum teleportation

Radiation chemistry

Renner-Teller effect

Resonance (molecular structure)

Resonance (quantum mechanics)

Resonance ionization spectroscopy

Rydberg atom

Rydberg constant

Scattering experiments (atoms and molecules)

Selection rules (physics)

Spin (quantum mechanics)

Spin label

Stark effect

Sum rules

Supercritical fields

Synchrotron radiation

Three-body Coulomb problem

Time-of-flight spectrometers

Trapped-ion optical clocks

Triplet state

Ultracold collisions

Ultracold molecule

Ultrafast X-ray sources

Ultralong-range Rydberg molecules

X-ray

X-ray crystallography

X-ray optics

X-ray tube

Zeeman effect