High-probability quantum state transfer among nodes of an open XXZ spin chain

TL;DR

This paper investigates high-probability quantum state transfer among specific nodes in an open XXZ spin chain, analyzing examples with different chain lengths and node configurations.

Contribution

It introduces a method to achieve high-probability state transfer among symmetrically placed nodes in an open XXZ spin chain, with specific examples for various chain sizes.

Findings

Demonstrates high-probability state transfer in chains with N=4,6,8.

Analyzes symmetric node configurations for effective quantum communication.

Provides explicit examples of state transfer protocols in XXZ spin chains.

Abstract

This paper concerns the problem of the high probability state transfer among $2^s$ symmetrically placed nodes of the $N$-nodes spins 1/2 chain with the ${XXZ}$ Hamiltonian. We consider examples with $(N,s)=(4,4)$, $(N,s)=(6,4)$ and $(N,s)=(8,8)$.