638 citations · 2.8k across the 17 of their papers we have counts for
17 papers
Nonlinear thermal and thermoelectric transport from quantum geometry
Yuan Fang, Shouvik Sur, Yonglong Xie +1
Quantum geometry may enable the development of quantum phases ranging from superconductivity to correlated topological states. One powerful probe of quantum geometry is the nonline…
Strong interactions and isospin symmetry breaking in a supermoiré lattice
Yonglong Xie, Andrew T. Pierce, Jeong Min Park +10
In multilayer moiré heterostructures, the interference of multiple twist angles ubiquitously leads to tunable ultra-long-wavelength patterns known as supermoiré lattices. However,…
Tunable interplay between light and heavy electrons in twisted trilayer graphene
Andrew T. Pierce, Yonglong Xie, Jeong Min Park +5
In strongly interacting systems with multiple energy bands, the interplay between electrons with different effective masses and the enlarged Hilbert space drives intricate correlat…
Stabilizing fluctuating spin-triplet superconductivity in graphene via induced spin-orbit coupling
Jonathan B. Curtis, Nicholas R. Poniatowski, Yonglong Xie +3
A recent experiment showed that proximity induced Ising spin-orbit coupling enhances the spin-triplet superconductivity in Bernal bilayer graphene. Here, we show that, due to the n…
Field-tuned and zero-field fractional Chern insulators in magic angle graphene
Daniel Parker, Patrick Ledwith, Eslam Khalaf +7
In contrast to the fractional quantum Hall (FQH) effect, where electron density fixes the applied magnetic field, fractional Chern insulators (FCIs) can realize FQH states in compa…
Fractional Chern insulators in magic-angle twisted bilayer graphene
Yonglong Xie, Andrew T. Pierce, Jeong Min Park +12
Fractional Chern insulators (FCIs) are lattice analogues of fractional quantum Hall states that may provide a new avenue toward manipulating non-abelian excitations. Early theoreti…
Detecting and Distinguishing Majorana Zero Modes with the Scanning Tunneling Microscope
Berthold Jäck, Yonglong Xie, Ali Yazdani
The goal of creating topologically protected qubits using non-Abelian anyons is currently one of the most exciting areas of research in quantum condensed matter physics. Majorana z…
Thermodynamics of free and bound magnons in graphene
Andrew T. Pierce, Yonglong Xie, Seung Hwan Lee +6
Symmetry-broken electronic phases support neutral collective excitations. For example, monolayer graphene in the quantum Hall regime hosts a nearly ideal ferromagnetic phase at fil…
Unconventional sequence of correlated Chern insulators in magic-angle twisted bilayer graphene
Andrew T. Pierce, Yonglong Xie, Jeong Min Park +11
The interplay between strong electron-electron interactions and band topology can lead to novel electronic states that spontaneously break symmetries. The discovery of flat bands i…
Observation of backscattering induced by magnetism in a topological edge state
Berthold Jäck, Yonglong Xie, B. Andrei Bernevig +1
The boundary modes of topological insulators are protected by the symmetries of the non-trivial bulk electronic states. Unless these symmetries are broken, they can give rise to no…
Cascade of electronic transitions in magic-angle twisted bilayer graphene
Dillon Wong, Kevin P. Nuckolls, Myungchul Oh +7
Magic-angle twisted bilayer graphene (MATBG) exhibits a rich variety of electronic states, including correlated insulators, superconductors, and topological phases. Understanding t…
Observation of a Majorana zero mode in a topologically protected edge channel
Berthold Jäck, Yonglong Xie, Jian Li +3
Superconducting proximity pairing in helical edge modes, such as those of topological insulators (TI), is predicted to provide a unique platform for realizing Majorana zero modes (…
Spectroscopic signatures of many-body correlations in magic angle twisted bilayer graphene
Yonglong Xie, Biao Lian, Berthold Jäck +6
The discovery of superconducting and insulating states in magic angle twisted bilayer graphene (MATBG) has ignited considerable interest in understanding the nature of electronic i…
Imaging viscous flow of the Dirac fluid in graphene
Mark J. H. Ku, Tony X. Zhou, Qing Li +15
The electron-hole plasma in charge-neutral graphene is predicted to realize a quantum critical system whose transport features a universal hydrodynamic description, even at room te…
Distinguishing a Majorana zero mode using spin resolved measurements
Sangjun Jeon, Yonglong Xie, Jian Li +3
One-dimensional topological superconductors host Majorana zero modes (MZMs), the non-local property of which could be exploited for quantum computing applications. Spin- polarized…
The Majorana spin in magnetic atomic chain systems
Jian Li, Sangjun Jeon, Yonglong Xie +2
In this paper, we establish that Majorana zero modes emerging from a topological band structure of a chain of magnetic atoms embedded in a superconductor can be distinguished from…
High-resolution studies of the Majorana atomic chain platform
Benjamin E. Feldman, Mallika T. Randeria, Jian Li +6
Ordered assemblies of magnetic atoms on the surface of conventional superconductors can be used to engineer topological superconducting phases and realize Majorana fermion quasipar…