Quantum correlation in disordered spin systems: entanglement and applications to magnetic sensing

Abstract

We propose a strategy to generate a many-body entangled state in a collection of randomly placed, dipolarly coupled electronic spins in the solid state. By using coherent control to restrict the evolution into a suitable collective subspace, this method enables the preparation of GHZ-like and spin-squeezed states even for randomly positioned spins, while in addition protecting the entangled states against decoherence. We consider the application of this squeezing method to improve the sensitivity of nanoscale magnetometer based on Nitrogen-Vacancy spin qubits in diamond.

8 pages, 5 figures

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Cited by in corpus (47)

• Quantum sensing
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• Observation of discrete time-crystalline order in a disordered dipolar many-body system
• Solid-state electronic spin coherence time approaching one second
• Quantum noise limited and entanglement-assisted magnetometry
• Imaging the local charge environment of nitrogen-vacancy centers in diamond
• Realtime magnetic field sensing and imaging using a single spin in diamond
• Spin squeezing: transforming one-axis-twisting into two-axis-twisting
• Quantum Metrology with Strongly Interacting Spin Systems
• Robust Dynamic Hamiltonian Engineering of Many-Body Spin Systems
• Optimizing a Dynamical Decoupling Protocol for Solid-State Electronic Spin Ensembles in Diamond
• Spin squeezing with short-range spin-exchange interactions
• Protecting Spin Coherence in a Tunable Heisenberg Model
• Quantum simulation via filtered Hamiltonian engineering: application to perfect quantum transport in spin networks
• Optimal dynamical control of many-body entanglement
• Heisenberg-limited spin-squeezing via bosonic parametric driving
• Enhanced concentrations of nitrogen-vacancy centers in diamond through TEM irradiation
• Experimental realization of time-dependent phase-modulated continuous dynamical decoupling
• Optimizing the formation of depth-confined nitrogen vacancy center spin ensembles in diamond for quantum sensing
• Reservoir-engineered spin squeezing: macroscopic even-odd effects and hybrid-systems implementations
• Detuning Enhanced Cavity Spin Squeezing
• Scalable Spin Squeezing from Finite Temperature Easy-plane Magnetism
• A hybrid-systems approach to spin squeezing using a highly dissipative ancillary system
• Nanoscale spin manipulation with pulsed magnetic gradient fields from a hard disc drive writer
• Robust Higher-Order Hamiltonian Engineering for Quantum Sensing with Strongly Interacting Systems
• Two-dimensional spin systems in PECVD-grown diamond with tunable density and long coherence for enhanced quantum sensing and simulation
• Controlling local thermalization dynamics in a Floquet-engineered dipolar ensemble
• Synchronization transition in dipole-coupled two-level systems with positional disorder
• Preparation of Metrological States in Dipolar-Interacting Spin Systems
• Tunable-spin-model generation with spin-orbit-coupled fermions in optical lattices
• Dissipative entanglement of solid-state spins in diamond
• Spin squeezing in an ensemble of nitrogen-vacancy centers in diamond
• Precision Measurements Using Squeezed Spin States via Two-axis Counter-twisting Interactions
• Manipulating growth and propagation of correlations in dipolar multilayers: From pair production to bosonic Kitaev models
• Heisenberg-limited spin squeezing in coupled spin systems
• Purification of an unpolarized spin ensemble into entangled singlet pairs
• Spin ensemble-based AC magnetometry using concatenated dynamical decoupling at low temperatures
• Identifying and decoupling many-body interactions in spin ensembles in diamond
• Spin Squeezing Property of Weighted Graph States
• Spin Squeezing with Arbitrary Quadratic Collective-Spin Interaction
• Quantum computation toolbox for decoherence-free qubits using multi-band alkali atoms
• Hamiltonian engineering of general two-body spin-1/2 interactions
• Decoherence induced spin squeezing signatures in Greenberger-Horne-Zeilinger and W states
• Ab-Initio Approach to Many-Body Quantum Spin Dynamics
• Spin squeezing an ultracold molecule
• Phonon-induced two-axis spin squeezing with decoherence reduction in hybrid spin-optomechanical system
• Overcoming frequency resolution limits using a solid-state spin quantum sensor