This shows you the differences between two versions of the page.
Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
qcl:simulation_output [2018/07/10 09:55] thomas.grange [2D plots] |
qcl:simulation_output [2019/04/18 09:14] admin [Simulation output] |
||
---|---|---|---|
Line 115: | Line 115: | ||
For each basis set, the folder contains: | For each basis set, the folder contains: | ||
- | + | * the probability density $\vert \Psi_i(z) \vert^2$ for the each state $\Psi_i$. Each level is shifted accordingly to its energy | |
- | * the probability density for the wavefunctions (see above in the initial electronic modes). | + | * the wavefunction $\Psi_i(z)$ in the file ''Wavefunctions.dat'' |
- | * ''DensityMatrix_Real.mat'' displays the real part of the density matrix. The labelling is made accordingly to the one of the wavefunctions $\Psi_i(z)$, so that the matrix element (i,j) corresponds to the real part of $\langle \Psi_i \vert \rho \vert \Psi_j \rangle$, where $\rho$ is the density matrix. The diagonal elements (i,i) corresponds to the populations of the level $\Psi_i$. | + | * the population (i.e. the probability of occupation) in each level $\Psi_i$ |
+ | * ''DensityMatrix_Real.mat'' displays the real part of the density matrix. The labelling is made accordingly to the one of the wavefunctions $\Psi_i(z)$, so that the matrix element (i,j) corresponds to the real part of $\langle \Psi_i \vert \rho \vert \Psi_j \rangle$, where $\rho$ is the density matrix. Note that the diagonal element (i,i) is equal to the population of the level $\Psi_i$. | ||
* ''DensityMatrix_Real.mat'' displays the imaginary part of the density matrix. | * ''DensityMatrix_Real.mat'' displays the imaginary part of the density matrix. | ||
* ''SpectralFunctions.dat'' shows the diagonal part of the spectral function, i.e. the energy-resolved density of states (DOS). | * ''SpectralFunctions.dat'' shows the diagonal part of the spectral function, i.e. the energy-resolved density of states (DOS). | ||
Line 126: | Line 127: | ||
The folder ''2D_Plots_Position-nm_Energy-eV/'' contains files where the $x$ axis is position in [nm] and the $y$ axis is energy in units of [eV]. | The folder ''2D_Plots_Position-nm_Energy-eV/'' contains files where the $x$ axis is position in [nm] and the $y$ axis is energy in units of [eV]. | ||
Note that these 2D plots show 2 QCL periods although only 1 period is simulated. | Note that these 2D plots show 2 QCL periods although only 1 period is simulated. | ||
- | * ''DOS_energy_resolved.vtr'' / ''*.gnu'' / ''*.fld''\\ This file contains the energy-resolved local density of states ${\rm LDOS}(x,E)$ as a function of position and energy. The units are [cm<sup>-3</sup> eV<sup>-1</sup>] (note that the units of the nextnano.MSB code are [eV<sup>-1</sup> nm<sup>-1</sup>]). | + | * ''DOS_energy_resolved.vtr'' / ''*.gnu'' / ''*.fld''\\ This file contains the energy-resolved local density of states ${\rm LDOS}(x,E)$ as a function of position and energy. The units are [eV<sup>-1</sup> nm<sup>-1</sup>]). |
The local density of states is related to the spectral function. It shows the available states for the electrons at $k_\parallel = 0$. | The local density of states is related to the spectral function. It shows the available states for the electrons at $k_\parallel = 0$. | ||
* ''CarrierDensity_energy_resolved.vtr'' / ''*.gnu'' / ''*.fld''\\ This file contains the energy-resolved electron density $n(x,E)$ as a function of position and energy. The units are [cm<sup>-3</sup> eV<sup>-1</sup>]. The energy-resolved electron density is related to the Green's function $\mathbf{G}^<$ ("G lesser"). | * ''CarrierDensity_energy_resolved.vtr'' / ''*.gnu'' / ''*.fld''\\ This file contains the energy-resolved electron density $n(x,E)$ as a function of position and energy. The units are [cm<sup>-3</sup> eV<sup>-1</sup>]. The energy-resolved electron density is related to the Green's function $\mathbf{G}^<$ ("G lesser"). |