ElectronFluctuationVertex.h

/* Copyright 2017 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_SOLVER_ELECTRON_FLUCTUATION_VERTEX
#define COM_DAFER45_TBTK_SOLVER_ELECTRON_FLUCTUATION_VERTEX
 
#include "TBTK/BrillouinZone.h"
#include "TBTK/IndexedDataTree.h"
#include "TBTK/Property/Susceptibility.h"
#include "TBTK/MomentumSpaceContext.h"
#include "TBTK/Solver/Solver.h"
 
namespace TBTK{
namespace Solver{
 
class ElectronFluctuationVertex : public Solver, public Communicator{
public:
    ElectronFluctuationVertex(
        const MomentumSpaceContext &momentumSpaceContext,
        const Property::Susceptibility &susceptibility
    );
 
    const MomentumSpaceContext& getMomentumSpaceContext() const;
 
    const Property::Susceptibility& getSusceptibility() const;
 
    std::vector<std::complex<double>> calculateSelfEnergyVertex(
        const Index &index
    );
 
    void setLeftInteraction(
        const std::vector<InteractionAmplitude> &leftInteraction
    );
 
    void setRightInteraction(
        const std::vector<InteractionAmplitude> &rightInteraction
    );
private:
    const MomentumSpaceContext &momentumSpaceContext;
 
    const Property::Susceptibility &susceptibility;
 
    std::vector<InteractionAmplitude> leftInteraction;
 
    std::vector<InteractionAmplitude> rightInteraction;
 
    void calculateSelfEnergyVertexMainAlgorithm(
        std::vector<std::complex<double>> &selfEnergyVertex,
        const Index &index,
        const Property::Susceptibility &susceptibility,
        const std::vector<InteractionAmplitude> &uLeft,
        const std::vector<InteractionAmplitude> &uRight
    );
};
 
inline const MomentumSpaceContext&
ElectronFluctuationVertex::getMomentumSpaceContext() const{
    return momentumSpaceContext;
}
 
inline const Property::Susceptibility&
ElectronFluctuationVertex::getSusceptibility() const{
    return susceptibility;
}
 
inline void ElectronFluctuationVertex::setLeftInteraction(
    const std::vector<InteractionAmplitude> &leftInteraction
){
    this->leftInteraction = leftInteraction;
}
 
inline void ElectronFluctuationVertex::setRightInteraction(
    const std::vector<InteractionAmplitude> &rightInteraction
){
    this->rightInteraction = rightInteraction;
}
 
};  //End of namespace Solver
};  //End of namespace TBTK
 
#endif