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Merged
merged 6 commits into from
Apr 25, 2025
Merged

Update physical constants #1223

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8f891c5
update physical constants
AlexanderSinn Apr 1, 2025
8b0f8cf
update doc
AlexanderSinn Apr 1, 2025
4c5deee
Merge branch 'Hi-PACE:development' into update_physical_constants
AlexanderSinn Apr 2, 2025
8f0bdcd
Merge branch 'Hi-PACE:development' into update_physical_constants
AlexanderSinn Apr 23, 2025
ee548c0
reset CI
AlexanderSinn Apr 23, 2025
e9d4d5f
XMerge branch 'update_physical_constants' of https://github.com/Alexa…
AlexanderSinn Apr 23, 2025
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12 changes: 6 additions & 6 deletions docs/source/run/parameters.rst
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Expand Up @@ -21,13 +21,13 @@ Thereby, the following constants are predefined:
============ ========================= =====================
**variable** **name** **Value**
q_e elementary charge 1.602176634e-19
m_e electron mass 9.1093837015e-31
m_p proton mass 1.67262192369e-27
epsilon0 vacuum permittivity 8.8541878128e-12
mu0 vacuum permeability 1.25663706212e-06
m_e electron mass 9.1093837139e-31
m_p proton mass 1.67262192595e-27
epsilon0 vacuum permittivity 8.8541878188e-12
mu0 vacuum permeability 1.2566370612685e-06
clight speed of light 299'792'458.
hbar reduced Planck constant 1.054571817e-34
r_e classical electron radius 2.817940326204929e-15
hbar reduced Planck constant 1.0545718176461565e-34
r_e classical electron radius 2.8179403205e-15
============ ========================= =====================

For a list of supported functions see the
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14 changes: 8 additions & 6 deletions src/utils/Constants.H
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Expand Up @@ -15,13 +15,15 @@
namespace PhysConstSI
{
static constexpr auto c = static_cast<amrex::Real>( 299'792'458. );
static constexpr auto ep0 = static_cast<amrex::Real>( 8.8541878128e-12 );
static constexpr auto mu0 = static_cast<amrex::Real>( 1.25663706212e-06 );
static constexpr auto ep0 = static_cast<amrex::Real>( 8.8541878188e-12 );
// Note that this is adjusted from the CODATA2022 value, 1.25663706127e-06
// So that the relation between mu0, ep0, and c is exact.
static constexpr auto mu0 = static_cast<amrex::Real>( 1.2566370612685e-06 );
static constexpr auto q_e = static_cast<amrex::Real>( 1.602176634e-19 );
static constexpr auto m_e = static_cast<amrex::Real>( 9.1093837015e-31 );
static constexpr auto m_p = static_cast<amrex::Real>( 1.67262192369e-27 );
static constexpr auto hbar = static_cast<amrex::Real>( 1.054571817e-34 );
static constexpr auto r_e = static_cast<amrex::Real>( 2.817940326204929e-15 );
static constexpr auto m_e = static_cast<amrex::Real>( 9.1093837139e-31 );
static constexpr auto m_p = static_cast<amrex::Real>( 1.67262192595e-27 );
static constexpr auto hbar = static_cast<amrex::Real>( 1.0545718176461565e-34 );
static constexpr auto r_e = static_cast<amrex::Real>( 2.8179403205e-15 );
}

/** \brief Namespace containing math constants */
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12 changes: 6 additions & 6 deletions tests/checksum/benchmarks_json/beam_in_vacuum.SI.1Rank.json
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@@ -1,14 +1,14 @@
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Expand All @@ -21,7 +21,7 @@
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Expand All @@ -33,7 +33,7 @@
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12 changes: 6 additions & 6 deletions tests/checksum/benchmarks_json/beam_in_vacuum.SI.Serial.json
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@@ -1,14 +1,14 @@
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Expand All @@ -21,7 +21,7 @@
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Expand All @@ -33,7 +33,7 @@
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32 changes: 16 additions & 16 deletions tests/checksum/benchmarks_json/collisions.SI.1Rank.json
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32 changes: 16 additions & 16 deletions tests/checksum/benchmarks_json/collisions_beam.SI.1Rank.json
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34 changes: 17 additions & 17 deletions tests/checksum/benchmarks_json/gaussian_linear_wake.SI.1Rank.json
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@@ -1,33 +1,33 @@
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36 changes: 18 additions & 18 deletions tests/checksum/benchmarks_json/ion_motion.SI.1Rank.json
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46 changes: 23 additions & 23 deletions tests/checksum/benchmarks_json/ionization.2Rank.json
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