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Non-Abelian string breaking phenomena with Matrix Product States
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Non-Abelian string breaking phenomena with Matrix Product States
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Using matrix product states, we explore numerically the phenomenology of string breaking in a non-Abelian lattice gauge theory, namely 1+1 dimensional SU(2). The technique allows us to study the static potential between external heavy charges, as traditionally explored by Monte Carlo simulations, but also to simulate the real-time dynamics of both static and dynamical fermions, as the latter are fully included in the formalism. We propose a number of observables that are sensitive to the presence or breaking of the flux string, and use them to detect and characterize the phenomenon in each of these setups.
Forward citations
Cited by 2 Pith papers
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A Framework for Quantum Simulations of Energy-Loss and Hadronization in Non-Abelian Gauge Theories: SU(2) Lattice Gauge Theory in 1+1D
A quantum simulation framework is developed and demonstrated for energy loss and hadronization of a heavy quark in 1+1D SU(2) lattice gauge theory on 18 qubits of IBM hardware, with results matching classical simulations.
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Confinement and String Breaking in the Compact Abelian Higgs Model
A spin-1 qutrit lattice model with a local chemical potential yields universal linear string potentials, from which string tension, breaking length, and meson mass can be extracted by DMRG.
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