Stimulated wave of polarization in spin chains

Abstract

Stimulated wave of polarization, triggered by a flip of a single spin, presents a simple model of quantum amplification. Previously, it has been found that such wave can be excited in a 1D Ising chain with nearest-neighbor interactions, irradiated by a weak resonant transverse field. Here we explore models with more realistic Hamiltonians, in particular, with natural dipole-dipole interactions. Results of simulations for 1D spin chains and rings with up to nine spins are presented.

15 pages, 5 figures

References in corpus (8)

• Entanglement Assisted Metrology
• Single spin measurement using cellular automata techniques
• Stimulated wave of polarization in 1D Ising chain
• Exact results on spin dynamics and multiple quantum dynamics in alternating spin-1/2 chains with XY-Hamiltonian at high temperatures
• Quantum state expansion
• Exact Diagonalisation of The XY-Hamiltonian of Open Linear Chains with Periodic Coupling Constants and Its Application to Dynamics of One-Dimensional Spin Systems
• Ising transition in dimerized XY quantum spin chain
• Read out of a Nuclear Spin Qubit

Cited by in corpus (8)

• Localization phenomena in interacting Rydberg lattice gases with position disorder
• Dynamics of entanglement in a one-dimensional Ising chain
• Experimental demonstration of stimulated polarization wave in a chain of nuclear spins
• Entanglement-enhanced sensing using a chain of qubits with always-on nearest-neighbor interactions
• Quantum-enhanced sensing with variable-range interactions
• Large effects of boundaries on spin amplification in spin chains
• Spin amplification in realistic systems
• NMR method for amplification of single spin state