mathjs/lib/esm/type/unit/physicalConstants.js

Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser with support for symbolic computation, comes with a large set of built-in functions and constants, and offers an integrated solution to work with dif

import { factory } from '../../utils/factory.js';

// Source: https://en.wikipedia.org/wiki/Physical_constant

// Universal constants
export var createSpeedOfLight = /* #__PURE__ */unitFactory('speedOfLight', '299792458', 'm s^-1');
export var createGravitationConstant = /* #__PURE__ */unitFactory('gravitationConstant', '6.67430e-11', 'm^3 kg^-1 s^-2');
export var createPlanckConstant = /* #__PURE__ */unitFactory('planckConstant', '6.62607015e-34', 'J s');
export var createReducedPlanckConstant = /* #__PURE__ */unitFactory('reducedPlanckConstant', '1.0545718176461565e-34', 'J s');

// Electromagnetic constants
export var createMagneticConstant = /* #__PURE__ */unitFactory('magneticConstant', '1.25663706212e-6', 'N A^-2');
export var createElectricConstant = /* #__PURE__ */unitFactory('electricConstant', '8.8541878128e-12', 'F m^-1');
export var createVacuumImpedance = /* #__PURE__ */unitFactory('vacuumImpedance', '376.730313667', 'ohm');
export var createCoulomb = /* #__PURE__ */unitFactory('coulomb', '8.987551792261171e9', 'N m^2 C^-2');
export var createElementaryCharge = /* #__PURE__ */unitFactory('elementaryCharge', '1.602176634e-19', 'C');
export var createBohrMagneton = /* #__PURE__ */unitFactory('bohrMagneton', '9.2740100783e-24', 'J T^-1');
export var createConductanceQuantum = /* #__PURE__ */unitFactory('conductanceQuantum', '7.748091729863649e-5', 'S');
export var createInverseConductanceQuantum = /* #__PURE__ */unitFactory('inverseConductanceQuantum', '12906.403729652257', 'ohm');
export var createMagneticFluxQuantum = /* #__PURE__ */unitFactory('magneticFluxQuantum', '2.0678338484619295e-15', 'Wb');
export var createNuclearMagneton = /* #__PURE__ */unitFactory('nuclearMagneton', '5.0507837461e-27', 'J T^-1');
export var createKlitzing = /* #__PURE__ */unitFactory('klitzing', '25812.807459304513', 'ohm');
export var createJosephson = /* #__PURE__ */unitFactory('josephson', '4.835978484169836e14 Hz V', 'Hz V^-1'); // TODO: support for Hz needed

// Atomic and nuclear constants
export var createBohrRadius = /* #__PURE__ */unitFactory('bohrRadius', '5.29177210903e-11', 'm');
export var createClassicalElectronRadius = /* #__PURE__ */unitFactory('classicalElectronRadius', '2.8179403262e-15', 'm');
export var createElectronMass = /* #__PURE__ */unitFactory('electronMass', '9.1093837015e-31', 'kg');
export var createFermiCoupling = /* #__PURE__ */unitFactory('fermiCoupling', '1.1663787e-5', 'GeV^-2');
export var createFineStructure = numberFactory('fineStructure', 7.2973525693e-3);
export var createHartreeEnergy = /* #__PURE__ */unitFactory('hartreeEnergy', '4.3597447222071e-18', 'J');
export var createProtonMass = /* #__PURE__ */unitFactory('protonMass', '1.67262192369e-27', 'kg');
export var createDeuteronMass = /* #__PURE__ */unitFactory('deuteronMass', '3.3435830926e-27', 'kg');
export var createNeutronMass = /* #__PURE__ */unitFactory('neutronMass', '1.6749271613e-27', 'kg');
export var createQuantumOfCirculation = /* #__PURE__ */unitFactory('quantumOfCirculation', '3.6369475516e-4', 'm^2 s^-1');
export var createRydberg = /* #__PURE__ */unitFactory('rydberg', '10973731.568160', 'm^-1');
export var createThomsonCrossSection = /* #__PURE__ */unitFactory('thomsonCrossSection', '6.6524587321e-29', 'm^2');
export var createWeakMixingAngle = numberFactory('weakMixingAngle', 0.22290);
export var createEfimovFactor = numberFactory('efimovFactor', 22.7);

// Physico-chemical constants
export var createAtomicMass = /* #__PURE__ */unitFactory('atomicMass', '1.66053906660e-27', 'kg');
export var createAvogadro = /* #__PURE__ */unitFactory('avogadro', '6.02214076e23', 'mol^-1');
export var createBoltzmann = /* #__PURE__ */unitFactory('boltzmann', '1.380649e-23', 'J K^-1');
export var createFaraday = /* #__PURE__ */unitFactory('faraday', '96485.33212331001', 'C mol^-1');
export var createFirstRadiation = /* #__PURE__ */unitFactory('firstRadiation', '3.7417718521927573e-16', 'W m^2');
// TODO spectralRadiance = 1.1910429723971881e-16 W m^2 sr^-1
export var createLoschmidt = /* #__PURE__ */unitFactory('loschmidt', '2.686780111798444e25', 'm^-3');
export var createGasConstant = /* #__PURE__ */unitFactory('gasConstant', '8.31446261815324', 'J K^-1 mol^-1');
export var createMolarPlanckConstant = /* #__PURE__ */unitFactory('molarPlanckConstant', '3.990312712893431e-10', 'J s mol^-1');
export var createMolarVolume = /* #__PURE__ */unitFactory('molarVolume', '0.022413969545014137', 'm^3 mol^-1');
export var createSackurTetrode = numberFactory('sackurTetrode', -1.16487052358);
export var createSecondRadiation = /* #__PURE__ */unitFactory('secondRadiation', '0.014387768775039337', 'm K');
export var createStefanBoltzmann = /* #__PURE__ */unitFactory('stefanBoltzmann', '5.67037441918443e-8', 'W m^-2 K^-4');
export var createWienDisplacement = /* #__PURE__ */unitFactory('wienDisplacement', '2.897771955e-3', 'm K');

// Adopted values
export var createMolarMass = /* #__PURE__ */unitFactory('molarMass', '0.99999999965e-3', 'kg mol^-1');
export var createMolarMassC12 = /* #__PURE__ */unitFactory('molarMassC12', '11.9999999958e-3', 'kg mol^-1');
export var createGravity = /* #__PURE__ */unitFactory('gravity', '9.80665', 'm s^-2');
// atm is defined in Unit.js

// Natural units
export var createPlanckLength = /* #__PURE__ */unitFactory('planckLength', '1.616255e-35', 'm');
export var createPlanckMass = /* #__PURE__ */unitFactory('planckMass', '2.176435e-8', 'kg');
export var createPlanckTime = /* #__PURE__ */unitFactory('planckTime', '5.391245e-44', 's');
export var createPlanckCharge = /* #__PURE__ */unitFactory('planckCharge', '1.87554603778e-18', 'C');
export var createPlanckTemperature = /* #__PURE__ */unitFactory('planckTemperature', '1.416785e+32', 'K');

// helper function to create a factory function which creates a physical constant,
// a Unit with either a number value or a BigNumber value depending on the configuration
function unitFactory(name, valueStr, unitStr) {
  var dependencies = ['config', 'Unit', 'BigNumber'];
  return factory(name, dependencies, _ref => {
    var {
      config,
      Unit,
      BigNumber
    } = _ref;
    // Note that we can parse into number or BigNumber.
    // We do not parse into Fractions as that doesn't make sense: we would lose precision of the values
    // Therefore we dont use Unit.parse()
    var value = config.number === 'BigNumber' ? new BigNumber(valueStr) : parseFloat(valueStr);
    var unit = new Unit(value, unitStr);
    unit.fixPrefix = true;
    return unit;
  });
}

// helper function to create a factory function which creates a numeric constant,
// either a number or BigNumber depending on the configuration
function numberFactory(name, value) {
  var dependencies = ['config', 'BigNumber'];
  return factory(name, dependencies, _ref2 => {
    var {
      config,
      BigNumber
    } = _ref2;
    return config.number === 'BigNumber' ? new BigNumber(value) : value;
  });
}