Response of perturbed spherium to external fields

TL;DR

This paper investigates how a two-electron system on a spherical surface responds to external static and laser fields, analyzing spectral changes and angular expectation values across different interaction strengths.

Contribution

It introduces a detailed analysis of the spectral response and angular behavior of a perturbed spherium system under external fields, considering varying coupling strengths.

Findings

Spectral properties vary with coupling strength.

First and second order angular expectation values are computed.

Response characteristics depend on external field type and interaction.

Abstract

We study the spectra and response of two electrons moving on a surface of a sphere and interacting via harmonic potential, to external static and laser fields. The spectrum of such system law is analysed in the light of varying coupling strength. In addition, the expectation value of cosine of the angle between external field and the system for first and second order have been evaluated and analysed.