1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
#include "WeakEquationSchrodinger.h"
#include "Material.h"
#include <iostream>
#include <fstream>
namespace ATC {
//==============================================================
// Class WeakEquationSchrodinger
//==============================================================
//--------------------------------------------------------------
// Constructor
//--------------------------------------------------------------
WeakEquationSchrodinger::WeakEquationSchrodinger()
: WeakEquation(EIGENVALUE_PDE,ELECTRON_WAVEFUNCTION,1) // w=0 inhomo soln
{}
//--------------------------------------------------------------
// Destructor
//---------------------------------------------------------------------
WeakEquationSchrodinger::~WeakEquationSchrodinger(void)
{}
//---------------------------------------------------------------------
void WeakEquationSchrodinger::BB_tangent_coefficients(
const FieldName field,
const FIELD_MATS & fields,
const Material* material,
DENS_MAT &coefs) const
{
material->inv_effective_mass(fields, coefs);// scaled by 1/2 hbar^2
}
//---------------------------------------------------------------------
void WeakEquationSchrodinger::NN_tangent_coefficients(
const FieldName field,
const FIELD_MATS & fields,
const Material* material,
DENS_MAT & V) const
{
material->band_edge_potential(fields,V);
FIELD_MATS::const_iterator phiField = fields.find(ELECTRIC_POTENTIAL);
const DENS_MAT & phi = phiField->second;
V -= phi; // phi in volts equals |e|*phi in [eV]'s
}
};