EmConstants.hpp

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/*
 * EmConstants.hpp
 *
 *  Created on: Jun 25, 2014
 *      Author: nano
 */

#ifndef EMCONSTANTS_HPP_
#define EMCONSTANTS_HPP_

#include <cmath>

namespace phoxonics {
namespace core {

struct EmConstants {
    // electric constants

    // permittivity of free space
    // [eps] = eps0 [epsr]
    double const eps_0 { 8.854187817e-12 }; // F/m

    // magnetic constants
    // permeability of free space
    // [mu] = mu0 [mur]
    // mu = 4pix10e-7  H/m
    double const mu_0 { 4 * M_PI * 1e-7 }; // H/m

    // impedance of free space
    // n0 = 120pi  Ohms
    double const eta_0 { 376.73031346177 }; // Ohms

    // speed of light
    //double const c { 1 / std::sqrt(mu_0 * eps_0) };
    double const c { 299792458 }; // m/s

    // courant number
    double const courant { 0.5 };

    // sources constants
    static double lambda_0;
    static double tao_0;
};

} /* namespace core */
} /* namespace phoxonics */

#endif /* EMCONSTANTS_HPP_ */