Download presentation

Presentation is loading. Please wait.

Published byShawna Mobbs Modified over 3 years ago

1
Bethe-Salpeter Equation and Excitonic effects: a short introduction Valerio Olevano Laboratoire des Solides Irradiés École Polytechnique, Palaiseau

2
Exciton and Bethe-Salpeter equation c v cv h c v h c v h W EXC P = ++ O(2) + RPAGWBSE Polarisation e-e- h+h+

3
Definitions L = 2-particles Correlation Function Polarization Dielectric Function (observables) G = Green Function 2-particles Green Function

4
Bethe-Salpeter Equation Bethe-Salpeter Equation Interaction Kernel = Self-Energy W =Screened Interaction

5
Resolution of the BSE: Excitonic Hamiltonian Overlap Matrix Excitonic Eigenfunctions Excitonic Eigenvalues Excitonic Hamiltonian

6
Excitonic Macroscopic Dielectric Function

7
Excitonic Hamiltonian: Resonant and Coupling terms Hermitean Symmetric full diago of a Non-Hermitean matrix or...... diagonalization of an Hermitean matrix (R) plus (eventually) Perturbation Theory

Similar presentations

OK

PHYS 30101 Quantum Mechanics PHYS 30101 Quantum Mechanics Dr Sean Freeman Nuclear Physics Group These slides at:

PHYS 30101 Quantum Mechanics PHYS 30101 Quantum Mechanics Dr Sean Freeman Nuclear Physics Group These slides at:

© 2017 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Download free ppt on srinivasa ramanujan Constitution day for kids ppt on batteries Ppt on renewable energy in bangladesh Ppt on financial management system Ppt on road accidents in india Ppt on cross-sectional study limitations Ppt on self development quotes Free download ppt on conservation of wildlife Ppt on limits and derivatives calculus Ppt on collections framework in java