// Boost.Units - A C++ library for zero-overhead dimensional analysis and
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// unit/quantity manipulation and conversion
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//
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// Copyright (C) 2003-2008 Matthias Christian Schabel
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// Copyright (C) 2008 Steven Watanabe
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//
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_UNITS_CODATA_ELECTROMAGNETIC_CONSTANTS_HPP
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#define BOOST_UNITS_CODATA_ELECTROMAGNETIC_CONSTANTS_HPP
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///
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/// \file
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/// \brief CODATA recommended values of fundamental electromagnetic constants.
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/// \details CODATA recommended values of the fundamental physical constants: NIST SP 961
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/// CODATA 2006 values as of 2007/03/30
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///
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#include <boost/units/quantity.hpp>
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#include <boost/units/static_constant.hpp>
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#include <boost/units/systems/detail/constants.hpp>
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#include <boost/units/systems/si/conductance.hpp>
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#include <boost/units/systems/si/current.hpp>
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#include <boost/units/systems/si/electric_charge.hpp>
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#include <boost/units/systems/si/electric_potential.hpp>
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#include <boost/units/systems/si/energy.hpp>
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#include <boost/units/systems/si/frequency.hpp>
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#include <boost/units/systems/si/magnetic_flux.hpp>
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#include <boost/units/systems/si/magnetic_flux_density.hpp>
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#include <boost/units/systems/si/resistance.hpp>
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#include <boost/units/systems/si/codata/typedefs.hpp>
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namespace boost {
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namespace units {
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namespace si {
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namespace constants {
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namespace codata {
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// ELECTROMAGNETIC
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/// elementary charge
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BOOST_UNITS_PHYSICAL_CONSTANT(e,quantity<electric_charge>,1.602176487e-19*coulombs,4.0e-27*coulombs);
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/// elementary charge to Planck constant ratio
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BOOST_UNITS_PHYSICAL_CONSTANT(e_over_h,quantity<current_over_energy>,2.417989454e14*amperes/joule,6.0e6*amperes/joule);
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/// magnetic flux quantum
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BOOST_UNITS_PHYSICAL_CONSTANT(Phi_0,quantity<magnetic_flux>,2.067833667e-15*webers,5.2e-23*webers);
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/// conductance quantum
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BOOST_UNITS_PHYSICAL_CONSTANT(G_0,quantity<conductance>,7.7480917004e-5*siemens,5.3e-14*siemens);
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/// Josephson constant
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BOOST_UNITS_PHYSICAL_CONSTANT(K_J,quantity<frequency_over_electric_potential>,483597.891e9*hertz/volt,1.2e7*hertz/volt);
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/// von Klitzing constant
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BOOST_UNITS_PHYSICAL_CONSTANT(R_K,quantity<resistance>,25812.807557*ohms,1.77e-5*ohms);
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/// Bohr magneton
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BOOST_UNITS_PHYSICAL_CONSTANT(mu_B,quantity<energy_over_magnetic_flux_density>,927.400915e-26*joules/tesla,2.3e-31*joules/tesla);
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/// nuclear magneton
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BOOST_UNITS_PHYSICAL_CONSTANT(mu_N,quantity<energy_over_magnetic_flux_density>,5.05078324e-27*joules/tesla,1.3e-34*joules/tesla);
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} // namespace codata
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} // namespace constants
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} // namespace si
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} // namespace units
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} // namespace boost
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#endif // BOOST_UNITS_CODATA_ELECTROMAGNETIC_CONSTANTS_HPP
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