Dynamical topological transitions in the massive Schwinger model with a [theta]-term
Aiming at a better understanding of anomalous and topological effects in gauge theories out-of-equilibrium, we study the real-time dynamics of a prototype model for CP-violation, the massive Schwinger model with a $\theta$-term. We identify dynamical quantum phase transitions between different topol...
Gespeichert in:
| Hauptverfasser: | , , , , |
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| Dokumenttyp: | Article (Journal) Kapitel/Artikel |
| Sprache: | Englisch |
| Veröffentlicht: |
23 Aug 2018
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| In: |
Arxiv
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| Online-Zugang: | Verlag, Volltext: http://arxiv.org/abs/1808.07885
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| Verfasserangaben: | T.V. Zache, N. Mueller, J.T. Schneider, F. Jendrzejewski, J. Berges, and P. Hauke |
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| 245 | 1 | 0 | |a Dynamical topological transitions in the massive Schwinger model with a [theta]-term |c T.V. Zache, N. Mueller, J.T. Schneider, F. Jendrzejewski, J. Berges, and P. Hauke |
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| 520 | |a Aiming at a better understanding of anomalous and topological effects in gauge theories out-of-equilibrium, we study the real-time dynamics of a prototype model for CP-violation, the massive Schwinger model with a $\theta$-term. We identify dynamical quantum phase transitions between different topological sectors that appear after sufficiently strong quenches of the $\theta$-parameter. Moreover, we establish a general dynamical topological order parameter, which can be accessed through fermion two-point correlators and, importantly, which can be applied for interacting theories. Enabled by this result, we show that the topological transitions persist beyond the weak-coupling regime. Finally, these effects can be observed with table-top experiments based on existing cold-atom, superconducting-qubit, and trapped-ion technology. Our work, thus, presents a significant step towards quantum simulating topological and anomalous real-time phenomena relevant to nuclear and high-energy physics. | ||
| 650 | 4 | |a High Energy Physics - Phenomenology | |
| 650 | 4 | |a Quantum Physics | |
| 650 | 4 | |a Condensed Matter - Quantum Gases | |
| 650 | 4 | |a Condensed Matter - Strongly Correlated Electrons | |
| 650 | 4 | |a Nuclear Theory | |
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