Confinement and Entanglement Dynamics on a Digital Quantum Computer
arXiv:2001.03044 · doi:10.1038/s41598-021-90849-5
Abstract
Confinement describes the phenomenon when the attraction between two particles grows with their distance, most prominently found in quantum chromodynamics (QCD) between quarks. In condensed matter physics, confinement can appear in quantum spin chains, for example, in the one dimensional transverse field Ising model (TFIM) with an additional longitudinal field, famously observed in the quantum material cobalt niobate or in optical lattices. Here, we establish that state-of-the-art quantum computers have reached quantum simulation capabilities to explore confinement physics in spin chains. We report quantitative confinement signatures of the TFIM on an IBM quantum computer observed via two distinct velocities for information propagation from domain walls and their mesonic bound states. We also find the confinement induced slow down of entanglement spreading by implementing randomized measurement protocols for the second order Renyi entanglement entropy. Our results are a crucial step for probing non-perturbative interacting quantum phenomena on digital quantum computers beyond the capabilities of classical hardware.
15+12 pages, 10 figures
References in corpus (9)
- Quantum Simulation of Antiferromagnetic Spin Chains in an Optical Lattice
- Evolution of entanglement entropy following a quantum quench: Analytic results for the XY chain in a transverse magnetic field
- Strong and weak thermalization of infinite non-integrable quantum systems
- Observation of Domain Wall Confinement and Dynamics in a Quantum Simulator
- Simple Mitigation of Global Depolarizing Errors in Quantum Simulations
- Energy spectrum of bound-spinons in the quantum Ising spin-chain ferromagnet
- Quantum many-body scars in transverse field Ising ladders and beyond
- Confinement in the spectrum of a Heisenberg-Ising spin ladder
- Integrability, Non-integrability and confinement
Cited by in corpus (51)
- The randomized measurement toolbox
- Simple Mitigation of Global Depolarizing Errors in Quantum Simulations
- False vacuum decay in quantum spin chains
- Probing many-body quantum chaos with quantum simulators
- Entanglement barrier and its symmetry resolution: theory and experiment
- Evidence of Kardar-Parisi-Zhang scaling on a digital quantum simulator
- Prethermalization in one-dimensional quantum many-body systems with confinement
- Error-Mitigated Simulation of Quantum Many-Body Scars on Quantum Computers with Pulse-Level Control
- Fragmentation and emergent integrable transport in the weakly tilted Ising chain
- Real-time quantum calculations of phase shifts using wave packet time delays
- Bloch oscillations and the lack of the decay of the false vacuum in a one-dimensional quantum spin chain
- Entanglement dynamics in confining spin chains
- Confinement and Kink Entanglement Asymmetry on a Quantum Ising Chain
- Dynamical hadron formation in long-range interacting quantum spin chains
- Quantum criticality using a superconducting quantum processor
- Variations on vacuum decay: the scaling Ising and tricritical Ising field theories
- A randomized measurement toolbox for an interacting Rydberg-atom quantum simulator
- Enhanced estimation of quantum properties with common randomized measurements
- Detecting a long lived false vacuum with quantum quenches
- Quenches and confinement in a Heisenberg-Ising spin ladder
- Soliton Confinement in a Quantum Circuit
- Stirring the false vacuum via interacting quantized bubbles on a 5564-qubit quantum annealer
- Randomness-enhanced expressivity of quantum neural networks
- Confinement induced impurity states in spin chains
- Dynamical localization transition of string breaking in quantum spin chains
- Constrained dynamics and confinement in the two-dimensional quantum Ising model
- Analogue Quantum Simulation with Fixed-Frequency Transmon Qubits
- Out-of-equilibrium scaling behavior arising during round-trip protocols across a quantum first-order transition
- Magnetization oscillations in a periodically driven transverse field Ising chain
- Ising Meson Spectroscopy on a Noisy Digital Quantum Simulator
- A quantum information perspective on meson melting
- Quantum Electronic Circuits for Multicritical Ising Models
- Probing Confinement Through Dynamical Quantum Phase Transitions: From Quantum Spin Models to Lattice Gauge Theories
- Efficient Quantum Circuits based on the Quantum Natural Gradient
- Escaping fronts in local quenches of a confining spin chain
- Fractionalized holes in one-dimensional gauge theory coupled to fermion matter -- deconfined dynamics and emergent integrability
- Krylov Complexity Meets Confinement
- Detecting Confined and Deconfined Spinons in Dynamical Quantum Simulations
- Probing entanglement dynamics and topological transitions on noisy intermediate-scale quantum computers
- Hilbert subspace ergodicity
- Mesons in a quantum Ising ladder
- Time-dependent variational principle for open quantum systems with artificial neural networks
- Dynamical deconfinement transition driven by density of excitations
- Extracting the spin excitation spectrum of a fermionic system using a quantum processor
- Realizing non-trivial doublon formation using a quantum computer
- Qubit Readout Error Mitigation with Bit-flip Averaging
- Confinement and false vacuum decay on the Potts quantum spin chain
- Confinement in the tricritical Ising model
- Realizing Topological Quantum Walks on NISQ Digital Quantum Computer
- Prolegomena to a hybrid classical/Rydberg simulator for hadronization (QuPyth)
- Relativistic meson spectra on ion-trap quantum simulators