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Condensed Matter > Mesoscale and Nanoscale Physics
Title: Emulating moiré materials with quasiperiodic circuit quantum electrodynamics
(Submitted on 23 Oct 2023 (v1), last revised 27 Mar 2024 (this version, v2))
Abstract: Topological bandstructures interfering with moir\'e superstructures give rise to a plethora of emergent phenomena, which are pivotal for correlated insulating and superconducting states of twisttronics materials. While quasiperiodicity was up to now a notion mostly reserved for solid-state materials and cold atoms, we here demonstrate the capacity of conventional superconducting circuits to emulate moir\'e physics in charge space. With two examples, we show that Hofstadter's butterfly and the magic-angle effect, are directly visible in spectroscopic transport measurements. Importantly, these features survive in the presence of harmonic trapping potentials due to parasitic linear capacitances. Our proposed platform benefits from unprecedented tuning capabilities, and opens the door to probe incommensurate physics in virtually any spatial dimension.
Submission history
From: Tobias Herrig [view email][v1] Mon, 23 Oct 2023 17:08:15 GMT (3947kb,D)
[v2] Wed, 27 Mar 2024 15:34:59 GMT (3948kb,D)
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