39 citations · 141 across the 13 of their papers we have counts for
13 papers
Crystalline Germanium Josephson Junctions
Frederik H. Knudsen, Axel Leblanc, Yiliu Li +8
Conventional superconducting quantum electronics rely on well-established Josephson junctions made of Al/AlO where the weak link AlO is amorphous and is believed to hos…
Tunable Narrowband Terahertz Radiation from van der Waals Ferroelectrics
Chun-Ying Huang, Taketo Handa, Daniel G. Chica +10
The terahertz (THz) spectral range is central to high-speed communication, precision metrology, sensing technologies, and a range of fundamental scientific investigations. Achievin…
Ultrafast Charge-Doping via Photo-Thermionic Injection in van der Waals Devices
Yiliu Li, Esteban Rojas-Gatjens, Yinjie Guo +10
Van der Waals (vdW) heterostructures of two-dimensional (2D) materials have become a rich playground for the exploration of correlated quantum phases, and recent studies have begun…
Photoinduced Metal-to-Insulator Transitions in 2D Moiré Devices
Yiliu Li, Esteban Rojas-Gatjens, Yinjie Guo +10
Photoexcitation has been utilized to control quantum matter and to uncover metastable phases far from equilibrium. Among demonstrations to date, the most common is the photo-induce…
Observing the Birth of Rydberg Exciton Fermi Polarons on a Moire Fermi Sea
Eric A. Arsenault, Gillian E. Minarik, Jiaqi Cai +8
The optical spectra of two-dimensional (2D) semiconductors are dominated by tightly bound excitons and trions. In the low doping limit, trions are often described as three-body qua…
Hidden States and Dynamics of Fractional Fillings in tMoTe2 Moiré Superlattices
Yiping Wang, Jeongheon Choe, Eric Anderson +14
The fractional quantum anomalous Hall (FQAH) effect was recently discovered in twisted MoTe2 bilayers (tMoTe2). Experiments to date have revealed Chern insulators from hole doping…
Real-Space Imaging of the Band Topology of Transition Metal Dichalcogenides
Madisen Holbrook, Julian Ingham, Daniel Kaplan +11
The topological properties of Bloch bands are intimately tied to the structure of their electronic wavefunctions within the unit cell of a crystal. Here, we show that scanning tunn…
A 2D van der Waals Material for Terahertz Emission with Giant Optical Rectification
Taketo Handa, Chun-Ying Huang, Yiliu Li +7
Exfoliation and stacking of two-dimensional (2D) van der Waals (vdW) crystals have created unprecedented opportunities in the discovery of quantum phases. A major obstacle to the a…
Time-Domain Signatures of Distinct Correlated Insulators in a Moiré Superlattice
Eric A. Arsenault, Yiliu Li, Birui Yang +6
Among expanding discoveries of quantum phases in moiré superlattices, correlated insulators stand out as both the most stable and most commonly observed. Despite the central import…
Coherent Modulation of Two-Dimensional Moiré States with On-Chip THz Waves
Yiliu Li, Eric A. Arsenault, Birui Yang +11
Van der Waals (vdW) structures of two-dimensional materials host a broad range of physical phenomena. New opportunities arise if different functional layers may be remotely modulat…
Two-Dimensional Moiré Polaronic Electron Crystals
Eric A. Arsenault, Yiliu Li, Birui Yang +12
Two-dimensional moiré materials have emerged as the most versatile platforms for realizing quantum phases of electrons. Here, we explore the stability origins of correlated states…
Evidence for Exciton Crystals in a 2D Semiconductor Heterotrilayer
Yusong Bai, Yiliu Li, Song Liu +6
Two-dimensional (2D) transition metal dichalcogenides (TMDC) and their moiré interfaces have been demonstrated for correlated electron states, including Mott insulators and electro…
Transport properties of a -dimensional holographic effective theory with gauge-axion coupling
Yi-Lin Li, Xi-Jing Wang, Guoyang Fu +1
In this paper, we implement a -dimensional holographic effective theory with gauge-axion coupling. The analytical black hole solution is worked out. We investigate the Direct cu…