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Selection rule
Any of several general rules concerning the transitions between the states of a quantum mechanical system; they derive from the symmetry properties of the states and of their interactions
📖 Definitions of "Selection rule"
noun
- 1
Any of several general rules concerning the transitions between the states of a quantum mechanical system; they derive from the symmetry properties of the states and of their interactions
💡 Words with a Similar Meaning to "Selection rule"
Found via reverse dictionary — words that share a conceptual meaning.
| Word | Definition |
|---|---|
| superselectionnoun | (physics) selection from a superposition of states |
| quantum statenoun | (quantum mechanics) Any of the possible states of a quantum mechanical system. |
| born rulenoun | (quantum mechanics) A key postulate of quantum mechanics, giving the probability that a measurement of a quantum system will yield a given result. In its simplest form, it states that the probability density of finding a particle at a given point, when measured, is proportional to the square of the magnitude of the particle's wavefunction at that point. |
| intercombinationnoun | (physics) An electronic transition between states that have different spin quantum numbers |
| phase rulenoun | (physics) the rule which states that the number of degrees of freedom in a system at equilibrium equals the number of components minus the number of phases plus 2 |
| eigenstatenoun | (physics) A dynamic quantum mechanical state whose wave function is an eigenvector that corresponds to a physical quantity. |
| bootstrap modelnoun | (physics) Any of a class of theories that use very general consistency criteria to determine the form of a quantum theory from some assumptions on the spectrum of particles. |
| form factornoun | (engineering, design, commerce) The geometry of an object, especially in engineering design; configuration. |
| classicalizationnoun | (physics) the treatment of a quantum system in terms of classical statistical mechanics |
| quantum leapnoun | (figurative) An abrupt, extreme change. |
| quantum numbernoun | (quantum mechanics) One of certain integers or half-integers that specify the state of a quantum mechanical system (such as an electron in an atom). |
| pauli exclusion principlenoun | (physics) A principle in quantum mechanics that states that no two identical fermions may occupy the same quantum state simultaneously. |
| statevectornoun | (quantum mechanics) An abstract vector describing probability amplitudes for possible quantum states. |
| aufbau principlenoun | (physics) The rule stating that, in the ground state of an atom or ion, electrons fill subshells of the lowest available energy, followed by subshells of higher energy. |
| supermultipletnoun | (physics) A set of quantum mechanical states, each of which has the same value for a certain quantum number (or numbers) but different values for another related one |
| schrödinger equationnoun | (quantum mechanics) In nonrelativistic quantum mechanics, a partial differential equation that describes how the quantum state of some physical system changes with time. |
| ritz's combination principlenoun | (physics) The observation that the sums and differences of the frequencies of spectral lines often equal other observed frequencies; a consequence of quantum mechanics. |
| space quantizationnoun | (physics) The quantization of one or more components of the angular momentum of a system |
| particle statisticsnoun | (statistical mechanics, quantum mechanics) Any of certain theories, in classical physics or (particularly) quantum mechanics, that model the behaviour of collections of particles of identical type. |
| fluctuatornoun | One who or that which fluctuates. |
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