diff options
Diffstat (limited to 'Source')
| -rw-r--r-- | Source/Utils/WarpXConst.H | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/Source/Utils/WarpXConst.H b/Source/Utils/WarpXConst.H index 6901d4629..7734d9011 100644 --- a/Source/Utils/WarpXConst.H +++ b/Source/Utils/WarpXConst.H @@ -9,16 +9,17 @@ namespace MathConst static constexpr amrex::Real pi = 3.14159265358979323846; } -// Physical constants +// Physical constants. Values are the 2018 CODATA recommended values +// https://physics.nist.gov/cuu/Constants/index.html namespace PhysConst { static constexpr amrex::Real c = 299792458.; - static constexpr amrex::Real ep0 = 8.854187817e-12; - static constexpr amrex::Real mu0 = 1.2566370614359173e-06; - static constexpr amrex::Real q_e = 1.6021764620000001e-19; - static constexpr amrex::Real m_e = 9.10938291e-31; - static constexpr amrex::Real m_p = 1.6726231000000001e-27; - static constexpr amrex::Real hbar = 1.05457180010e-34; + static constexpr amrex::Real ep0 = 8.8541878128e-12; + static constexpr amrex::Real mu0 = 1.25663706212e-06; + static constexpr amrex::Real q_e = 1.602176634e-19; + static constexpr amrex::Real m_e = 9.1093837015e-31; + static constexpr amrex::Real m_p = 1.67262192369e-27; + static constexpr amrex::Real hbar = 1.054571817e-34; static constexpr amrex::Real alpha = mu0/(4*MathConst::pi)*q_e*q_e*c/hbar; static constexpr amrex::Real r_e = 1./(4*MathConst::pi*ep0) * q_e*q_e/(m_e*c*c); } |