atomicConstants.H

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    Copyright (C) 2011 OpenFOAM Foundation
    Copyright (C) 2020 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
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    under the terms of the GNU General Public License as published by
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Namespace
    Foam::constant::atomic
 
Description
    Atomic constants
 
\*---------------------------------------------------------------------------*/
 
#ifndef atomicConstants_H
#define atomicConstants_H
 
#include "dimensionedScalar.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace constant
{
namespace atomic
{
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
    //- Group name for atomic constants
    constexpr const char* const group = "atomic";
 
    //- Fine-structure constant: default SI units: []
    extern const dimensionedScalar alpha;
 
    //- Rydberg constant: default SI units: [1/m]
    extern const dimensionedScalar Rinf;
 
    //- Bohr radius: default SI units: [m]
    extern const dimensionedScalar a0;
 
    //- Classical electron radius: default SI units: [m]
    extern const dimensionedScalar re;
 
    //- Hartree energy: default SI units: [J]
    extern const dimensionedScalar Eh;
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace atomic
} // End namespace constant
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //