Entanglement Dynamics in the System of Two Spin-1/2 Particles with Ising Interaction and Time-Dependent Dzyaloshinskii-Moriya Interaction

In this paper, the dynamics of the spin-1/2 Ising model with added DM interaction is studied. We assume DM interaction is a function of the time. We consider one of the Bell states as an initial state. The concurrence is used to analyze the entanglement between two spins. It is found that in the abs...

Full description

Saved in:
Bibliographic Details
Published inJournal of superconductivity and novel magnetism Vol. 35; no. 6; pp. 1527 - 1532
Main Authors Mahmoudi, Maryam, Soltani, Mohammad Reza
Format Journal Article
LanguageEnglish
Published New York Springer US 01.06.2022
Subjects
Characterization and Evaluation of Materials
Condensed Matter Physics
Magnetic Materials
Magnetism
Original Paper
Physics
Physics and Astronomy
Strongly Correlated Systems
Superconductivity
Entanglement dynamics
Ising model
Spin chain
Dzyaloshinskii-Moriya interaction
Online AccessGet full text

Cover

More Information
Summary:In this paper, the dynamics of the spin-1/2 Ising model with added DM interaction is studied. We assume DM interaction is a function of the time. We consider one of the Bell states as an initial state. The concurrence is used to analyze the entanglement between two spins. It is found that in the absence of the DM interaction, the entanglement maintains its maximum value. By raising DM interaction, the fluctuations of the entanglement increase. If the DM interaction varies with time, the dynamic behavior of the entanglement will be different. By increasing the amplitude of sinusoidal DM interaction, the entanglement fluctuations will be in the opposite phase in the short term. The combination of the constant and time-dependent DM interactions makes the system generates a series of entanglement revival and collapse phenomena over the time. Increasing the angular frequency of the DM interaction changes the order of the entanglement oscillations and strongly increases the oscillations’ speed.
ISSN:1557-1939
1557-1947
DOI:10.1007/s10948-022-06273-x