Aydin Amini

8 Questions 18 Answers 0 Followers

Questions related from Aydin Amini

Review paper on atmospheric mitigation using sensorless AO systems?

Can anyone suggest a most recent review paper on sensorless adaptive optics systems for atmospheric turbulence mitigation? I've exhausted the net, RG, and SD. But all with no luck! The review...

02 March 2023 8,274 0 View

Do weak contribution equations within a module use the module's boundary condition in COMSOL?

I am trying to solve a partial wave equation for scattered quasi-TE waves. I found the COMSOL built-in Helmholtz equation module very close to my problem. The bottleneck was that, I couldn't...

04 June 2020 9,235 1 View

Plasmonics as a collective oscillation of holes instead of electrons?

In metals, the outermost conduction electrons (electron plasma) interact with incident photons and according to the classical Drude model, they may resonate and build up longitudinal plasmonic...

18 January 2020 1,803 7 View

Why the linear molecules do not suffer from Jahn-Teller distortions?

Jahn-Teller effect is typically observed in non linear molecules with asymmetric crystal fields (i.e. non spherical ligand fields) such as, octahedral and tetrahedral complexes. The rule states...

24 August 2019 664 3 View

Is there any mechanism to describe the transition between amorphous to crystalline phase in phase-change material like Germanium Antimony Telluride ?

There are plenty of documents that explore the phase change mechanism using DFT or ab initio molecular-dynamics simulations. Most of them evaluate the effects of phase change in the...

06 July 2019 9,905 0 View

Why we have greater binding energy (ground state energy) for 2D hydrogen atom than 3D one?

Considering the Eigen value problem using Schrödinger wave for equation for hydrogen atom in polar coordinates (2D) results in E1= -4 *Ry for ground state ( "Ry" is Rydberg energy). While we...

01 May 2019 4,275 3 View

Hopping oxygen and metastable donor state ?

Can anyone explain how an oxygen ion hopping in illuminated thin film IGZO, results in a metastable donor state?? and how this donor state can lower the e-h recombination in that film?

28 December 2018 724 5 View

Why we assume that the direction of excited photon in stimulated emission is in the same direction as the parent?

In stimulated emission process, we always assume that the secondary excited photon, as a result of e-h recombination, has the same frequency, polarization, phase and direction with the incident...

03 December 2018 7,518 23 View