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Semiclassical bifurcations and topological phase transitions in a one-dimensional lattice of coupled Lipkin-Meshkov-Glick models

Sorokin A. V., Aparicio Alcalde M., Bastidas Victor Manuel, Engelhardt Georg, Aggelakis Dimitrios, Brandes Tobias Scott

Απλή Εγγραφή


URIhttp://purl.tuc.gr/dl/dias/048A7D46-E414-4908-A638-C6583CD8EA11-
Αναγνωριστικόhttps://journals.aps.org/pre/abstract/10.1103/PhysRevE.94.032123-
Αναγνωριστικόhttps://doi.org/10.1103/PhysRevE.94.032123-
Γλώσσαen-
ΤίτλοςSemiclassical bifurcations and topological phase transitions in a one-dimensional lattice of coupled Lipkin-Meshkov-Glick modelsen
ΔημιουργόςSorokin A. V.en
ΔημιουργόςAparicio Alcalde M.en
ΔημιουργόςBastidas Victor Manuelen
ΔημιουργόςEngelhardt Georgen
ΔημιουργόςAggelakis Dimitriosen
ΔημιουργόςΑγγελακης Δημητριοςel
ΔημιουργόςBrandes Tobias Scotten
ΕκδότηςAmerican Physical Societyen
ΠερίληψηIn this work we study a one-dimensional lattice of Lipkin-Meshkov-Glick models with alternating couplings between nearest-neighbors sites, which resembles the Su-Schrieffer-Heeger model. Typical properties of the underlying models are present in our semiclassical-topological hybrid system, allowing us to investigate an interplay between semiclassical bifurcations at mean-field level and topological phases. Our results show that bifurcations of the energy landscape lead to diverse ordered quantum phases. Furthermore, the study of the quantum fluctuations around the mean-field solution reveals the existence of nontrivial topological phases. These are characterized by the emergence of localized states at the edges of a chain with free open-boundary conditions.en
ΤύποςPeer-Reviewed Journal Publicationen
ΤύποςΔημοσίευση σε Περιοδικό με Κριτέςel
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2018-10-08-
Ημερομηνία Δημοσίευσης2016-
Θεματική ΚατηγορίαBifurcationsen
Θεματική ΚατηγορίαComplex systemsen
Θεματική ΚατηγορίαPhase transitionsen
Βιβλιογραφική ΑναφοράA. V. Sorokin, M. Aparicio Alcalde, V. M. Bastidas, G. Engelhardt, D. G. Angelakis and T. Brandes, "Semiclassical bifurcations and topological phase transitions in a one-dimensional lattice of coupled Lipkin-Meshkov-Glick models," Phys. Rev. E, vol. 94, no. 3, Sept. 2016. doi: 10.1103/PhysRevE.94.032123 en

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