Schwinger pair production and string breaking in non-Abelian gauge theory from real-time lattice improved Hamiltonians
Far-from-equilibrium dynamics of SU(2) gauge theory with Wilson fermions is studied in 1+1 space-time dimensions using a real-time lattice approach. Lattice improved Hamiltonians are shown to be very efficient in simulating Schwinger pair creation and emergent phenomena such as plasma oscillations....
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| Veröffentlicht in: | Physical review. D 2019-02, Vol.99 (3), p.1, Article 036020 |
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| container_title | Physical review. D |
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| creator | Spitz, Daniel Berges, Jürgen |
| description | Far-from-equilibrium dynamics of SU(2) gauge theory with Wilson fermions is studied in 1+1 space-time dimensions using a real-time lattice approach. Lattice improved Hamiltonians are shown to be very efficient in simulating Schwinger pair creation and emergent phenomena such as plasma oscillations. As a consequence, significantly smaller lattices can be employed to approach continuum physics in the infinite-volume limit as compared to unimproved implementations. This allows us to compute also higher-order correlation functions including four fermion fields, which give unprecedented insights into the real-time dynamics of the fragmentation process of strings between fermions and antifermions. |
| doi_str_mv | 10.1103/PhysRevD.99.036020 |
| format | Article |
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| ispartof | Physical review. D, 2019-02, Vol.99 (3), p.1, Article 036020 |
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| source | American Physical Society Journals |
| subjects | Computer simulation Fermions Gauge theory Lattices Pair production Plasma (physics) Plasma oscillations Real time Strings |
| title | Schwinger pair production and string breaking in non-Abelian gauge theory from real-time lattice improved Hamiltonians |
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