LindhardSusceptibility.h

/* Copyright 2018 Kristofer Björnson
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
 
#ifndef COM_DAFER45_TBTK_PROPERTY_EXTRACTOR_LINDHARD_SUSCEPTIBILITY
#define COM_DAFER45_TBTK_PROPERTY_EXTRACTOR_LINDHARD_SUSCEPTIBILITY
 
#include "TBTK/Solver/LindhardSusceptibility.h"
#include "TBTK/Property/Susceptibility.h"
#include "TBTK/PropertyExtractor/PropertyExtractor.h"
 
#include <complex>
 
namespace TBTK{
namespace PropertyExtractor{
 
class LindhardSusceptibility : public PropertyExtractor{
public:
    LindhardSusceptibility(Solver::LindhardSusceptibility &solver);
 
    virtual Property::Susceptibility calculateSusceptibility(
        std::vector<Index> patterns
    );
private:
    static void calculateSusceptibilityCallback(
        PropertyExtractor *cb_this,
        Property::Property &property,
        const Index &index,
        int offset,
        Information &information
    );
 
    Solver::LindhardSusceptibility *solver;
 
    virtual const Solver::Solver& getSolver() const;
 
    std::vector<std::complex<double>> energies;
};
 
inline const Solver::Solver& LindhardSusceptibility::getSolver() const{
    return *solver;
}
 
};  //End of namespace PropertyExtractor
};  //End of namespace TBTK
 
#endif