Multi-particle entanglement of hot trapped ions

Abstract

We propose an efficient method to produce multi-particle entangled states of ions in an ion trap for which a wide range of interesting effects and applications have been suggested. Our preparation scheme exploits the collective vibrational motion of the ions, but it works in such a way that this motion need not be fully controlled in the experiment. The ions may, e.g., be in thermal motion and exchange mechanical energy with a surrounding heat bath without detrimental effects on the internal state preparation. Our scheme does not require access to the individual ions in the trap.

4 pages, including 3 figures. To appear in Phys. Rev. Lett. This paper previously appeared under the name "Schrodingers cat in a hot trap". The paper has been revised according to Phys. Rev. policy on Schrodinger cats. No cats were harmed during the production of this manuscript

References in corpus (1)

• Quantum computation with ions in thermal motion

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• Boson Sampling for Generalized Bosons
• Programming the full stack of an open-access quantum computer
• Systematic construction of topological-nontopological hybrid universal quantum gates based on many-body Majorana fermion interactions
• Quantum repeater node with free-space coupled trapped ions
• Quantum computing for data science
• Coherent randomized benchmarking
• Quasideterministic generation of maximally entangled states of two mesoscopic atomic ensembles by adiabatic quantum feedback
• Adiabatic melting of two-component Mott-insulator states
• Quantifying Entanglement in Cluster States Built with Error-Prone Interactions
• Measurement-Induced Heating of Trapped Ions
• Quantum Metrology via Floquet-Engineered Two-axis Twisting and Turn Dynamics
• Goldilocks Probes for Noisy Interferometry via Quantum Annealing to Criticality
• On Nonlinear Bosonic Coherent States
• Susceptibility of Trapped-Ion Qubits to Low-Dose Radiation Sources
• Multi-qubit Quantum Rabi Model and Multi-partite Entangled States in a Circuit QED System
• A cavity-QED scheme for Heisenberg-limited interferometry
• Encoded probabilistic imaginary-time evolution on a trapped-ion quantum computer for ground and excited states of spin qubits
• Toward simulating quantum field theories with controlled phonon-ion dynamics: A hybrid analog-digital approach
• Parametrized multiqubit gate design for neutral-atom based quantum platforms
• Entanglement concentration with different measurement in a 3-mode optomechanical system
• Dynamics of an Ion Coupled to a Parametric Superconducting Circuit
• Efficient multi-qubit subspace rotations via topological quantum walks
• Experimental Implementation of an Efficient Test of Quantumness
• A simplified Mølmer-Sørensen gate for the trapped ion quantum computer
• A number filter for matter-waves
• Probing Majorana Modes via Local Spin Dynamics
• Cross-platform hardware benchmark of style-based quantum GANs for data augmentation on superconducting and trapped-ion processors
• Quantum Vector DC Magnetometry via Selective Phase Accumulation
• Quantifying entanglement in "Experimental entanglement of four particles"
• Ultrafast coherent excitation of an Ytterbium ion with single laser pulses
• Persistent nonlocality in an ultracold-atom environment
• Dissipative phase transition: from qubits to qudits
• Dynamic quantum circuit compilation
• Unifying non-Markovian characterisation with an efficient and self-consistent framework
• Conditional Entanglement Amplification via Non-Hermitian Superradiant Dynamics
• Coherently manipulating cold ions in separated traps by their vibrational couplings
• Expanding Hardware-Efficiently Manipulable Hilbert Space via Hamiltonian Embedding
• Bounds on the recurrence probability in periodically-driven quantum systems
• Phonon-mediated quantum gates in trapped ions coupled to an ultracold atomic gas
• Heisenberg limited measurements with superconducting circuits
• Engineering an Effective Three-spin Hamiltonian in Trapped-ion Systems for Applications in Quantum Simulation
• Investigation of the spin dynamics of quantum spin dimers with Dzyaloshinsky-Moriya interaction
• Multi-Mode Global Driving of Trapped Ions for Quantum Circuit Synthesis
• Strong coherent ion-electron coupling using a wire data bus
• Efficient quantum simulation of fermionic and bosonic models in trapped ions
• Realization and Calibration of Continuously Parameterized Two-Qubit Gates on a Trapped-Ion Quantum Processor
• The role of higher-order terms in trapped-ion quantum computing with magnetic gradient induced coupling
• Supervised binary classification of small-scale digit images and weighted graphs with a trapped-ion quantum processor
• Implementation of a two-qubit state by an auxiliary qubit on the three-spin system
• Cavity polariton blockade for non-local entangling gates with trapped atoms
• Multiqubit Rydberg Gates for Quantum Error Correction
• Dynamics of atom-field interaction inside a nonlinear Kerr-like medium filled optical cavity
• Floquet Gauge Pumps as Sensors for Spectral Degeneracies Protected by Symmetry or Topology
• Berry's Phases for Arbitrary Spins Non-Linearly Coupled to External Fields. Application to the Entanglement of N > 2 Non-Correlated One-Half Spins
• Quantum fidelity kernel with a trapped-ion simulation platform
• Single-step multipartite entangled states generation from coupled circuit cavities
• Experimental Measurement of Out-of-Time-Ordered Correlators at Finite Temperature
• Ion-Based Characterization of Laser Beam Profiles for Quantum Information Processing
• Coherent Generation and Protection of Anticoherent Spin States
• Non-equilibrium critical scaling and universality in a quantum simulator
• Entangling a series of trapped ions by moving cavity bus
• Pulse optimization for high-precision motional-mode characterization in trapped-ion quantum computers
• Scalable universal quantum gates between nitrogen-vacancy centers in levitated nanodiamonds arrays
• Experimental factoring integers using fixed-point-QAOA with a trapped-ion quantum processor
• Measurement-free code-switching for low overhead quantum computation using permutation invariant codes
• Introduction to Physical Implementations of Quantum Information Processing
• iSwitch: QEC on Demand via In-Situ Encoding of Bare Qubits for Ion Trap Architectures
• Tweezer interferometry with NOON states
• Geometric and holonomic quantum computation
• Multilevel Electromagnetically Induced Transparency Cooling
• Reference-frame-independent quantum metrology
• Perfect revivals of Rabi oscillations and hybrid Bell states in a trapped ion
• Exactly-solved model of light-scattering errors in quantum simulations with metastable trapped-ion qubits
• Scaling laws for the sensitivity enhancement of non-Gaussian spin states
• Quantum Learning Algorithms and Post-Quantum Cryptography
• Two-qubit gates in a trapped-ion quantum computer by engineering motional modes
• From Quantum Optics to Quantum Technologies
• Reshaping quantum device noise via repetition code circuits
• Preparation of two-qubit entangled states on a spin-1/2 Ising-Heisenberg diamond spin cluster by controlling the measurement
• Entanglement and U(D)-spin squeezing in symmetric multi-quDit systems and applications to quantum phase transitions in Lipkin-Meshkov-Glick D-level atom models
• N-qubit entanglement via the $J_y^2$-type collective interaction
• Bipartite entanglement of localized separated systems
• Multiqubit Greenberger-Horne-Zeilinger state generated by synthetic magnetic field in circuit QED
• Precision limit under weak coupling with an ancillary qubit
• Complete Population Transfer of Maximally Entangled States in $2^{2N}$-level Systems via Pythagorean Triples Coupling
• Tunable transverse spin-motion coupling for quantum information processing
• Dissipative engineering a tripartite Greenberger-Horne-Zeilinger state for neutral atoms
• Geometry and quantum brachistochrone analysis of multiple entangled spin-1/2 particles under all-range Ising interaction
• Dynamical decoupling protection for three-level systems
• Robust entanglement buffers based on SWAP interactions
• Multipartite entangled states in dipolar quantum simulators
• Improving adiabatic quantum factorization via chopped random-basis optimization