Classical and Quantum Signatures of Quantum Phase Transitions in a (Pseudo) Relativistic Many-Body System

URN to cite this document:: urn:nbn:de:bvb:355-epub-430855
DOI to cite this document:: 10.5283/epub.43085

Nitsch, Maximilian ; Geiger, Benjamin

; Richter, Klaus ; Urbina, Juan Diego

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Date of publication of this fulltext: 20 Apr 2020 10:51

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Abstract

We identify a (pseudo) relativistic spin-dependent analogue of the celebrated quantum phase transition driven by the formation of a bright soliton in attractive one-dimensional bosonic gases. In this new scenario, due to the simultaneous existence of the linear dispersion and the bosonic nature of the system, special care must be taken with the choice of energy region where the transition takes ...