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Fractional Chern Insulator in Twisted Bilayer ${MoTe}_{2}$

https://doi.org/10.1103/PhysRevLett.132.036501

Wang, Chong; Zhang, Xiao-Wei; Liu, Xiaoyu; He, Yuchi; Xu, Xiaodong; Ran, Ying; Cao, Ting; Xiao, Di (January 2024, Physical Review Letters)

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One-dimensional repulsive Hubbard model with mass imbalance: Orders and filling anomaly

https://doi.org/10.1103/PhysRevB.104.195126

He, Yuchi; Pekker, David; Mong, Roger S. (November 2021, Physical Review B)

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Emergent mode and bound states in single-component one-dimensional lattice fermionic systems

https://doi.org/10.1103/PhysRevB.100.201101

He, Yuchi; Tian, Binbin; Pekker, David; Mong, Roger S. (November 2019, Physical Review B)
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Pascal conductance series in ballistic one-dimensional LaAlO ₃ /SrTiO ₃ channels

https://doi.org/10.1126/science.aat6467

Briggeman, Megan; Tomczyk, Michelle; Tian, Binbin; Lee, Hyungwoo; Lee, Jung-Woo; He, Yuchi; Tylan-Tyler, Anthony; Huang, Mengchen; Eom, Chang-Beom; Pekker, David; et al (February 2020, Science)

One-dimensional electronic systems can support exotic collective phases because of the enhanced role of electron correlations. We describe the experimental observation of a series of quantized conductance steps within strongly interacting electron waveguides formed at the lanthanum aluminate–strontium titanate (LaAlO 3 /SrTiO 3 ) interface. The waveguide conductance follows a characteristic sequence within Pascal’s triangle: (1, 3, 6, 10, 15, …) ⋅ e 2 /h , where e is the electron charge and h is the Planck constant. This behavior is consistent with the existence of a family of degenerate quantum liquids formed from bound states of n = 2, 3, 4, … electrons. Our experimental setup could provide a setting for solid-state analogs of a wide range of composite fermionic phases.
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