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- Title
Entanglement Dynamics of Two Spin Qubits in a Spin Environment with Nonuniform Coupling.
- Authors
Guo, Yu; Deng, Hong-Liang
- Abstract
We investigate the entanglement dynamics of a two-spin-qubit system coupled to a spin environment with nonuniform coupling through using the time-dependent density-matrix renormalization group method. We show that the entanglement generation and decay depend on the number of environment spins, the coupling strength between the central spin system and the environment, and the initial state of the central spin system.
- Subjects
QUANTUM entanglement; QUBITS; COUPLING constants; NON-uniform motion; DENSITY matrices; RENORMALIZATION (Physics); TIME-dependent density functional theory
- Publication
International Journal of Theoretical Physics, 2014, Vol 53, Issue 5, p1459
- ISSN
0020-7748
- Publication type
Article
- DOI
10.1007/s10773-013-1944-1