* @brief Write an eigensystem to HDF5. * * @param g HDF5 group to write into. * @param name Name of the subgroup to create.

r"""Create a density-density Hamiltonian. .. math:: \hat{H} = \frac{1}{2} \sum_{(i \sigma) \neq (j \sigma')} U_{i j}^{\sigma \sigma'} \ha

r"""Create a Kanamori Hamiltonian with density-density, spin-flip and pair-hopping interactions. .. math:: \hat{H} = \frac{1}{2} \sum_{(i

r"""Create a Slater Hamiltonian using fully rotationally-invariant 4-index interactions. .. math:: \hat{H} = \frac{1}{2} \sum_{ijkl,\sigma \sigma

* @brief Check if a given Fock state \f$ \lvert f \rangle \f$ belongs to this subspace. * * @param f Fock state \f$ \lvert f \rangle \f$.

* @brief Get the HDF5 format tag of a Green's function. * @return The string `"Gf"`. */

Get the HDF5 format tag.

Get the HDF5 format tag.

Get the HDF5 format tag.

Get the HDF5 format tag.

Get the HDF5 format tag.

Get the HDF5 format tag.

Get the HDF5 format tag.

Get the HDF5 format tag.

Get the HDF5 format tag.

Get the HDF5 format tag.

Get the HDF5 format tag.

Get the HDF5 format tag.

Get the HDF5 format tag.

Get the HDF5 format tag.

Get the HDF5 format tag.

HDF5 format tag of the many-body operator.

Get the HDF5 format tag.

Get the HDF5 format string.

Get the HDF5 format string.

Get the HDF5 format tag.

Get the HDF5 format tag.

Get the HDF5 format tag.

Get the HDF5 format tag.

Get the HDF5 format tag.

* @brief Get the HDF5 format tag. * * @return HDF5 format tag of a Fourier polynomial. */

* @brief Get the HDF5 format tag. * * @return HDF5 format tag of a tight-binding Hamiltonian. */

Get the HDF5 format tag.

Get the HDF5 format tag.

Get the HDF5 format tag.

Default constructor constructs an empty Hilbert (Fock) space of dimension \f$ 0 \f$.

Default constructor leaves the histogram in a valid but unusable state.

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Real-space hoppings as a ``{displacement: matrix}`` dict. Each key is a tuple of integers giving a real-space displacement in multipl

Block-wise view of the imaginary part of every block. Returns ------- Block2Gf New container holding ``g.imag`` f

Block-wise view of the imaginary part. Returns ------- BlockGf New container holding ``g.imag`` for each block; t

Imaginary part of :attr:`value`. Returns ------- object ``self.value.imag``.

r"""Imaginary part of :math:`i\omega_n`. Returns ------- float :math:`(2n + \mathrm{is\_fermion})\,\pi / \beta`.

r"""Plot protocol for :class:`~triqs.gfs.gf.Gf` objects on a :class:`~triqs.mesh.meshes.MeshImFreq`. Parameters ---------- self : Gf

Default constructor creates a zero imperative operator with no terms.

r"""Plot protocol for :class:`~triqs.gfs.gf.Gf` objects on a :class:`~triqs.mesh.meshes.MeshImTime`. Parameters ---------- self : Gf

* @brief Construct an indented stream on top of an existing ostream with a given indentation width. * * @param os Underlying `std::ostream`

Get the Matsubara index \f$ n \f$ of the mesh point.

Get the index \f$ n \f$ of the mesh point.

Get the index \f$ \mathbf{n} \f$ of the mesh point.

Get the Matsubara index \f$ n_l \f$ of the mesh point.

Get the index \f$ n \f$ of the mesh point.

Get the index \f$ n \f$ of the mesh point.

Get the index \f$ l \f$ of the mesh point.

Get the index \f$ l \f$ of the mesh point.

Get the index \f$ n \f$ of the mesh point.

Get the index \f$ n \f$ of the Matsubara frequency.

Get the index \f$ n \f$ of the mesh point.

Get the index of the reciprocal vector \f$ -\mathbf{k} \f$ (see triqs::mesh::brzone::mesh_point_t::index()).

Get the index \f$ n \f$ of the mesh point.

Get the index vector \f$ \mathbf{n} \f$ of the lattice point.

* @brief Map an arbitrary index \f$ \tilde{\mathbf{n}} \f$ to the unique index \f$ \mathbf{n} \f$ in the supercell. * * @param n_tilde Index

Deprecated. Use :attr:`~triqs.gfs.gf.Gf.target_shape` / :attr:`~triqs.gfs.gf.Gf.target_indices` instead. Returns -------

Iterate over ``(bn1, bn2)`` pairs in row-major order. Yields ------ tuple of (hashable, hashable) ``(bn1, bn2)``

Block names in construction order. Yields ------ str Block name.

Iterate over the first-index block names. Yields ------ hashable First-index block name.

Iterate over the second-index block names. Yields ------ hashable Second-index block name.

* @brief Insert two rows and columns. * @details Wrapper for try_insert2() followed by a complete_operation() call. See try_insert2() for details

* @brief Insert two rows and columns. * @details Wrapper for try_insert2() followed by a complete_operation() call. See try_insert2() for details

* @brief Insert two rows and columns at the end of the matrix. * @details Same as insert2() but with `i0` and `j0` set to size() and `i1` and `j1

* @brief Insert two rows and columns at the end of the matrix. * @details Same as insert2() but with `i0` and `j0` set to size() and `i1` and `j1

* @brief Insert one row and column at the end of the matrix. * @details Same as insert() but with `i` and `j` set to size(). * @param x Argu

* @brief Insert one row and column at the end of the matrix. * @details Same as insert() but with `i` and `j` set to size(). * @param x Argu

* @brief Construct an adaptive one-dimensional integrator with the given relative tolerance. * @param tolerance Relative tolerance at which the r

Compute the inverse of every block. Returns ------- BlockGf New container holding the matrix/scalar inverse of ev