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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. 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.

WordDefinition
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.
fluctuatornounOne who or that which fluctuates.

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