Autoren:	Haller, Andreas Rizzi, Matteo Burrello, Michele
Titel:	The resonant state at filling factor ν = 1/2 in chiral fermionic ladders
Online-Publikationsdatum:	18-Jun-2018
Erscheinungsdatum:	2018
Sprache des Dokuments:	Englisch
Zusammenfassung/Abstract:	Helical liquids have been experimentally realized in both nanowires and ultracold atomic chains as the result of strong spin–orbit interactions. In both cases the inner degrees of freedom can be considered as an additional space dimension, providing an interpretation of these systems as chiral synthetic ladders, with artificial magnetic fluxes determined by the spin–orbit terms. In this work, we characterize the helical state which appears at filling ν = 1/2: this state is generated by a gap arising in the spin sector of the corresponding Luttinger liquid and it can be interpreted as the one-dimensional (1D) limit of a fractional quantum Hall state of bosonic pairs of fermions. We study its main features, focusing on entanglement properties and correlation functions. The techniques developed here provide a key example for the study of similar quasi-1D systems beyond the semiclassical approximation commonly adopted in the description of the Laughlin-like states.
DDC-Sachgruppe:	530 Physik 530 Physics
Veröffentlichende Institution:	Johannes Gutenberg-Universität Mainz
Organisationseinheit:	FB 08 Physik, Mathematik u. Informatik
Veröffentlichungsort:	Mainz
ROR:	https://ror.org/023b0x485
DOI:	http://doi.org/10.25358/openscience-653
Version:	Published version
Publikationstyp:	Zeitschriftenaufsatz
Nutzungsrechte:	CC BY
Informationen zu den Nutzungsrechten:	https://creativecommons.org/licenses/by/3.0/
Zeitschrift:	New journal of physics 20 5
Seitenzahl oder Artikelnummer:	Art. 053007
Verlag:	IOP
Verlagsort:	London
Erscheinungsdatum:	2018
ISSN:	1367-2630
URL der Originalveröffentlichung:	http://dx.doi.org/10.1088/1367-2630/aab8d4
DOI der Originalveröffentlichung:	10.1088/1367-2630/aab8d4
Enthalten in den Sammlungen:	JGU-Publikationen