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Move const q under Constants #558

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Move const q under Constants #558

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482acb9
Move const `q` under `Constants`
KronosTheLate Sep 12, 2022
c908aaa
Moved definition of eV
KronosTheLate Sep 14, 2022
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29 changes: 14 additions & 15 deletions src/pkgdefaults.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -333,20 +333,6 @@ end
\nSee Also: [`Unitful.L`](@ref), [`Unitful.mol`](@ref)."
@unit M "M" Molar 1mol/L true true

# Energy
" Unitful.q
\nA quantity equal to the elementary charge, the charge of a single electron,
with a value of exactly 1.602,176,634 × 10^-19 C. The letter `q` is used instead of `e` to avoid
confusion with Euler's number.
\nDimension: 𝐈 𝐓.
\nSee Also: [`Unitful.C`](@ref)."
const q = 1.602_176_634e-19*C # CODATA 2018; `e` means 2.718...
" Unitful.eV
\nThe electron-volt, a unit of energy, defined as q*V.
\nDimension: 𝐋^2 𝐌 𝐓^-2.
\nSee also: [`Unitful.q`](@ref), [`Unitful.V`](@ref)."
@unit eV "eV" eV q*V true true

# For convenience
" Unitful.Hz2π
\nA unit for convenience in angular frequency, equal to 2π Hz.
Expand Down Expand Up @@ -431,6 +417,13 @@ h / (2 × q).
\nDimension: 𝐋^2 𝐌 𝐈^-1 𝐓^-2.
\nSee also: [`Unitful.h`](@ref), [`Unitful.q`](@ref)."
const Φ0 = h/(2q) # Superconducting magnetic flux quantum
" Unitful.q
\nA quantity equal to the elementary charge, the charge of a single electron,
with a value of exactly 1.602,176,634 × 10^-19 C. The letter `q` is used instead of `e` to avoid
confusion with Euler's number.
\nDimension: 𝐈 𝐓.
\nSee Also: [`Unitful.C`](@ref)."
const q = 1.602_176_634e-19*C # CODATA 2018; avoids naming conflict with `e`
" Unitful.me
\nA quantity representing the rest mass of an electron, equal to 9.109,383,7015
× 10^-31 kg (the CODATA 2018 recommended value).
Expand Down Expand Up @@ -492,6 +485,13 @@ mass of an unbound neutral atom of carbon-12, equal to 1.660,539,066,60 × 10^-2
\nSee Also: [`Unitful.kg`](@ref)."
@unit u "u" UnifiedAtomicMassUnit 1.660_539_066_60e-27*kg false # (50)

# Energy
" Unitful.eV
\nThe electron-volt, a unit of energy, defined as q*V.
\nDimension: 𝐋^2 𝐌 𝐓^-2.
\nSee also: [`Unitful.q`](@ref), [`Unitful.V`](@ref)."
@unit eV "eV" eV q*V true true

# Acceleration
" Unitful.ge
\nThe nominal acceleration due to gravity in a vacuum near the surface of the
Expand All @@ -501,7 +501,6 @@ earth, a unit of acceleration, defined by standard to be exactly 9.806,65 m / s^
\nSee also: [`Unitful.m`](@ref), [`Unitful.s`](@ref)."
@unit ge "ge" EarthGravity gn false


# CGS units
" Unitful.Gal
\nThe gal, a CGS unit of acceleration, defined as 1 cm / s^2.
Expand Down