For the classical view of the atom which developed into atomic physics, see atomic theory.
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Atomic physics is the field of physics that studies atoms as an isolated system of electrons and an atomic nucleus. Atomic physics typically refers to the study of atomic structure and the interaction between atoms.[1] It is primarily concerned with the way in which electrons are arranged around the nucleus and
the processes by which these arrangements change. This comprises ions, neutral atoms and, unless otherwise stated, it can be assumed that the term atom includes ions.
The term atomic physics can be associated with nuclear power and nuclear weapons, due to the synonymous use of atomic and nuclear in standard English. Physicists distinguish between atomic physics—which deals with the atom as a system consisting of a nucleus and electrons—and nuclear physics, which studies nuclear reactions and special properties of atomic nuclei.
As with many scientific fields, strict delineation can be highly contrived and atomic physics is often considered in the wider context of atomic, molecular, and optical physics. Physics research groups are usually so classified.
^Demtröder, W. (2006). Atoms, molecules and photons : an introduction to atomic-, molecular-, and quantum-physics. Berlin: Springer. ISBN 978-3-540-32346-4. OCLC 262692011.
Atomicphysics is the field of physics that studies atoms as an isolated system of electrons and an atomic nucleus. Atomicphysics typically refers to...
research in physics can be broadly divided into nuclear and particle physics; condensed matter physics; atomic, molecular, and optical physics; astrophysics;...
Nuclear physics is the field of physics that studies atomic nuclei and their constituents and interactions, in addition to the study of other forms of...
The atomic units are a system of natural units of measurement that is especially convenient for calculations in atomicphysics and related scientific fields...
634 (uranium atomic radius is about 156 pm (156×10−12 m)) to about 60,250 (hydrogen atomic radius is about 52.92 pm). The branch of physics concerned with...
table. atomic orbital atomic packing factor atomicphysics A branch of physics that studies atoms as isolated systems of electrons and an atomic nucleus...
chemistry, chemical physics, and quantum chemistry. It is often considered as a sub-field of atomic, molecular, and optical physics. Research groups studying...
Atomic theory is the scientific theory that matter is composed of particles called atoms. The definition of the word "atom" has changed over the years...
regarded as the "core" of the foundation of modern physics: Atomic theory and the evolution of the atomic model in general Black-body radiation Oil drop experiment...
energy of matter and radiation. Quantum mechanics is the branch of physics treating atomic and subatomic systems and their interaction based on the observation...
Nuclear physics – field of physics that studies the building blocks and interactions of atomic nuclei. Particle physics – the branch of physics that studies...
A timeline of atomic and subatomic physics. 6th - 2nd Century BCE Kanada (philosopher) proposes that anu is an indestructible particle of matter, an "atom";...
In atomicphysics and chemistry, an atomic electron transition (also called an atomic transition, quantum jump, or quantum leap) is an electron changing...
are designed to simplify atomic and molecular physics and chemistry, especially the hydrogen atom.: 349 For example, in atomic units, in the Bohr model...
and its properties was central to the extraordinary developments in atomicphysics in the first half of the 20th century. Early in the century, Ernest...
retains its chemical properties Atomicphysics, the study of the atom Atomic Age, also known as the "Atomic Era" Atomic scale, distances comparable to...
theories on atomicphysics. At the event, Bohr was a guest lecturer and gave a series of comprehensive lectures on quantum atomicphysics and Heisenberg...
In atomicphysics, the effective nuclear charge is the actual amount of positive (nuclear) charge experienced by an electron in a multi-electron atom....
In atomicphysics and quantum chemistry, the Aufbau principle (/ˈaʊfbaʊ/, from German: Aufbauprinzip, lit. 'building-up principle'), also called the Aufbau...
Since the electron mass determines a number of observed effects in atomicphysics, there are potentially many ways to determine its mass from an experiment...
An atomic clock is a clock that measures time by monitoring the resonant frequency of atoms. It is based on atoms having different energy levels. Electron...
attosecond physics are: Atomicphysics: investigation of electron correlation effects, photo-emission delay and ionization tunneling. Molecular physics and molecular...
to atomicphysics and biophysics. The theoretical physics of condensed matter shares important concepts and methods with that of particle physics and...
depends on the correlations of the motion of the electrons.) In atomicphysics, the atomic spectral lines correspond to transitions (quantum leaps) between...
In atomicphysics, the Bohr model or Rutherford–Bohr model of the atom, presented by Niels Bohr and Ernest Rutherford in 1913, consists of a small, dense...