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Namespace Prefixes

Prefix	IRI
n2	http://qudt.org/vocab/quantitykind/
dcterms	http://purl.org/dc/terms/
n5	http://qudt.org/vocab/unit/
n4	http://qudt.org/schema/qudt/
n6	http://qudt.org/vocab/dimensionvector/
rdfs	http://www.w3.org/2000/01/rdf-schema#
n7	http://qudt.org/2.1/vocab/
rdf	http://www.w3.org/1999/02/22-rdf-syntax-ns#
xsdh	http://www.w3.org/2001/XMLSchema#

Statements

Subject Item

n2:EinsteinTransitionProbability

rdf:type

n4:QuantityKind

rdfs:label

Einstein Transition Probability

rdfs:isDefinedBy

n7:quantitykind

dcterms:description

Given two atomic states of energy \(E_j\) and \(E_k\). Let \(E_j > E_k\). Assume the atom is bathed in radiation of energy density \(u(w)\). Transitions between these states can take place in three different ways. Spontaneous, induced/stimulated emission, and induced absorption. \(A_jk\) represents the Einstein transition probability for spontaneous emission.

n4:applicableUnit

n5:UNITLESS

n4:hasDimensionVector

n6:A0E0L0I0M0H0T0D1

n4:informativeReference

http://electron6.phys.utk.edu/qm2/modules/m10/einstein.htm

n4:latexDefinition

\(\frac{-dN_j}{dt} = A_jkN_j\), where \(-dN_j\) is the number of molecules spontaneously leaving the state j for the state k during a time interval of duration \(dt\), \(N_j\) is the number of molecules in the state j, and \(E_j > E_k\).

n4:symbol

A_jkN_j

n4:systemDerivedQuantityKind

n4:SOQ_SI