TL;DR
This paper introduces a theoretical quantum model demonstrating chimera states, where parts of a spin chain exhibit ordered entanglement while others display chaotic behavior, offering new insights into quantum entanglement and chaos.
Contribution
It presents the first quantum analogue of chimera states in a spin chain, exploring entanglement, chaos, and disorder, and opening new perspectives in multipartite quantum systems.
Findings
Quantum chimera states exhibit long-lived ordered and disordered regions.
Entanglement properties differ between ordered and chaotic parts.
The model links quantum chaos with classical chimera phenomena.
Abstract
We study a theoretical model of closed quasi-hermitian chain of spins which exhibits quantum analogues of chimera states, i.e. long life classical states for which a part of an oscillator chain presents an ordered dynamics whereas another part presents a disordered chaotic dynamics. For the quantum analogue, the chimera behavior deals with the entanglement between the spins of the chain. We discuss the entanglement properties, quantum chaos, quantum disorder and semi-classical similarity of our quantum chimera system. The quantum chimera concept is novel and induces new perspectives concerning the entanglement of multipartite systems.
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