Interacting topological frequency converter

Simon Körber

doi:10.1103/PhysRevResearch.2.022023

2020-04-30

DOI：10.1103/PhysRevResearch.2.022023

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We show that an interacting two-spin model subjected to two circularly polarized drives enables a feasible realization of a correlated topological phase in synthetic dimensions. The topological observable is given by a quantized frequency conversion between the dynamical drives, which is why we coin it the interacting topological frequency converter (ITFC). The ITFC is characterized by the interplay of interaction and synthetic dimension. This gives rise to striking topological phenomena that have no counterpart in the noninteracting regime. By calculating the topological phase diagrams as a function of interaction strength, we predict an enhancement of frequency conversion as a direct manifestation of the correlated topological response of the ITFC.

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QUANTUM MATTER

REALIZATION

TRANSITION

MODEL

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期刊

Physical Review Research

IF:

4.2

论文数:

7.6K

被引数:

2.7W

机构

University of Wurzburg

学者数:

2.5W

论文数: 2.0W

被引数: 2.5W

Technische Universitat Dresden

学者数:

3.2W

论文数: 2.5W

被引数: 249

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