Natural units
In physics, natural units are physical units of measurement based only on universal physical constants. For example, the elementary charge e is a natural unit of electric charge, and the speed of light c is a natural unit of speed. A purely natural system of units has all of its units usually defined such that the numerical values of the selected physical constants in terms of these units are exactly 1. These constants may then be omitted from mathematical expressions of physical laws, and while this has the apparent advantage of simplicity, it may entail a loss of clarity due to the loss of information for dimensional analysis. It precludes the interpretation of an expression in terms of fundamental physical constants, such as e and c, unless it is known which units (in dimensionful units
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Adiabatic invariantAlgebra of physical spaceAlternatives to general relativityAstronomical system of unitsBarn (unit)BaryonBase unit (measurement)Beta (velocity)Bohr modelBohr radiusBoltzmann constantBoyer–Lindquist coordinatesBuckingham π theoremCentimetre–gram–second system of unitsClassical electromagnetism and special relativityConversion of unitsCoupling constantDefining equation (physics)Dimensional analysisDimensionless quantityDirac equationDirac spinorEddington–Finkelstein coordinatesElectron magnetic momentElectronvoltElementary chargeEnergy–momentum relationFemtometreFine-structure constantFour-gradientFreund–Rubin compactificationGamma matricesGaussian unitsGeometrized unit systemGravitational constantGravitational coupling constantGravitational redshiftGravitinoHartree atomic unitsHomogeneity (physics)
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Natural units
In physics, natural units are physical units of measurement based only on universal physical constants. For example, the elementary charge e is a natural unit of electric charge, and the speed of light c is a natural unit of speed. A purely natural system of units has all of its units usually defined such that the numerical values of the selected physical constants in terms of these units are exactly 1. These constants may then be omitted from mathematical expressions of physical laws, and while this has the apparent advantage of simplicity, it may entail a loss of clarity due to the loss of information for dimensional analysis. It precludes the interpretation of an expression in terms of fundamental physical constants, such as e and c, unless it is known which units (in dimensionful units
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In physics, natural units are ...... ., can be uniquely determined.
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In physics, natural units are ...... h units (in dimensionful units
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Natural units
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