Dynamics of a central electron spin coupled to an anti-ferromagnetic spin bath driven by a variable magnetic field in the Landau-Zener scenario

GC Fouokeng, M Tchoffo, ME Ateuafack… - The European Physical …, 2014 - Springer
The Landau-Zener (LZ) transition probability of a two-level crossing in a single quantum dot
driven by a two-state auto-correlated (TSAC) noise is studied. The model used isolates a …

Dzyaloshinskii–Moriya interaction effects on the entanglement dynamics of a two qubit XXZ spin system in non-Markovian environment

M Tchoffo, GC Fouokeng, E Tendong, LC Fai - Journal of Magnetism and …, 2016 - Elsevier
We investigate the entanglement dynamics of a two-qubit Heisenberg XXZ chain with
Dzyaloshinskii–Moriya (DM) interactions, interacting with an anisotropic spin bath in thermal …

Entanglement dynamics of random GUE Hamiltonians

D Chernowitz, V Gritsev - SciPost Physics, 2021 - scipost.org
In this work, we consider a model of a subsystem interacting with a reservoir and study
dynamics of entanglement assuming that the overall time-evolution is governed by non …

[HTML][HTML] New Anomaly at Low Temperature for Heat Capacity

S Bouzgarrou - Open Access Library Journal, 2020 - scirp.org
In this paper, we present a theoretical investigation as a function of temperature of a critical
anomaly find in InAlAs hetero-structure of two-dimensional electron gas. This study has …

The quenching field effect on the motion of an electron in an electromagnetic field potential

GC Fouokeng, M Tchoffo, LC Fai, NE Afuoti… - … Physics Letters B, 2014 - World Scientific
In this paper, the Feynman path integral approach based on the Gaussian wave packet
approximation is employed to evaluate the coherence factor and the probability distribution …

Thermodynamic properties of a multiferroic antiferromagnetic spin system: The influence of Dzyaloshinskii Moriya interaction

M Tchoffo, WDW Gueagni, GC Fouokeng… - … Journal of Modern …, 2019 - World Scientific
In this paper, we address the influence of Dzyaloshinskii Moriya (DM) interaction on the
thermodynamic properties of a multiferroic antiferromagnetic spin system using the spin …

[PDF][PDF] Schrödinger's orchestra

DM Chernowitz - pure.uva.nl
Towards the end of my bachelor's degree in physics, in Groningen, I found myself puzzled.
This was to be the big league: grownup education. I had made it through all the courses. But …

[PDF][PDF] Brownian Particle's Decoherence in the Double-Well Magnetic Potential Field

M Tchoffo, CG Fouokeng, LC Fai, LA Ngoufo… - The African Review of …, 2014 - lamp.ictp.it
The influence of the magnetic confinement and the step parameters on de-coherence of a
Brownian particle in a doublewell magnetic potential field coupled to a bath of harmonic …

Dzyaloshinskii-Moriya interactions effects on the entanglement dynamics of a two qubit xxz spin system in non-Markovian environment

GC Fouokeng, M Tchoffo, E Tendong… - arXiv preprint arXiv …, 2014 - arxiv.org
We investigate the exact entanglement dynamics of a two-qubit Heisenberg XXZ chain with
Dzyaloshinskii-Moriya (DM) interactions, interacting with an anisotropic spin bath in thermal …

[HTML][HTML] Tailoring Quantum Correlations of a Coupled Central Two Qubits Soaked in a Finite Temperature Antiferromagnetic Environment with Frequency Gap

LC Fai, NE Afuoti, GC Fouokeng, JCN Kuetche… - Journal of Quantum …, 2014 - scirp.org
We revisit the quantum features of an anti-ferromagnetic (AF) spin environment at finite
temperature with gap in its frequency spectrum, on the dynamics quantum correlations of a …