% physical constants

const.e = 1.602176634*1e-19;            % elementary charge [C]
const.m_e = 9.1093837015*1e-31;         % electron mass [kg]
const.c = 299792458;                    % speed of light in vacuum [m/s]
const.epsilon_0 = 8.8541878128*1e-12;   % vacuum electric permittivity [As/Vm]
const.eps_0 = 8.8541878128*1e-12;       % vacuum electric permittivity [As/Vm]
const.u = 1.66053906660*1e-27;          % atomic mass constant [kg]
const.h = 6.62607015*1e-34;             % Planck constant [Js]
const.hbar = 1.054571817*1e-34;         % reduced Planck constant [Js]
const.h_bar = 1.054571817*1e-34;        % reduced Planck constant [Js]
const.mu_0 = 1.25663706212*1e-6;        % vacuum magnetic permeability [H/m]
const.G = 6.67430*1e-11;                % Newton constant of gravitation [m^3/kg s^2]
const.k_B = 1.380649*1e-23;             % Boltzmann constant [J/K]
const.sigma = 5.670374419*1e-8;         % Stefan-Boltzmann constant [W/m^2K^4]
const.N_A = 6.02214076*1e23;            % Avogadro constant [1/mol]
const.R = 8.31446261815324;             % molar gas constant [J/K mol]
const.a_0 = 5.29177210903*1e-11;        % Bohr radius [m]
const.m_n = 1.67492749804*1e-27;        % neutron mass [kg]
const.m_p = 1.67262192369*1e-27;        % proton mass [kg]
