lindhard_chi00.hpp

/*******************************************************************************
 *
 * TRIQS: a Toolbox for Research in Interacting Quantum Systems
 *
 * Copyright (C) 2017, H. U.R. Strand
 *
 * TRIQS is free software: you can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * TRIQS is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * TRIQS. If not, see <http://www.gnu.org/licenses/>.
 *
 ******************************************************************************/
#pragma once
 
#include "../types.hpp"
 
namespace triqs_tprf {

  chi_wk_t lindhard_chi00(e_k_cvt e_k, mesh::imfreq mesh, double mu);
  chi_Dwk_t lindhard_chi00(e_k_cvt e_k, mesh::dlr_imfreq mesh, double mu);

  chi_fk_t lindhard_chi00(e_k_cvt e_k, mesh::refreq mesh, double beta, double mu, double delta);
 
} // namespace triqs_tprf