4 papers
Coexisting Charge Density Wave and Superconducting Order in Quantizing Magnetic Fields
Ron Q. Nguyen, Peiyu Qin, Hai-Tian Wu +12
Charge density wave (CDW) and superconductivity are both common in strongly interacting electron systems. While CDW order is ubiquitous in both quantum Hall systems and unconventio…
Bilayer Excitons in the Laughlin Fractional Quantum Hall State
Ron Q. Nguyen, Naiyuan J. Zhang, Navketan Khurana-Batra +6
The Laughlin state embodies a universal class of fractional quantum Hall effects arising in two-dimensional electron systems subjected to strong perpendicular magnetic fields. Conv…
A Hierarchy of Superconductivity and Topological Charge Density Wave States in Rhombohedral Graphene
Ron Q. Nguyen, Hai-Tian Wu, Erin Morissette +7
Superconductivity and the quantum Hall effect are conventionally regarded as mutually exclusive: superconductivity is suppressed by magnetic fields, whereas the quantum Hall effect…
A Bound on Topological Gap from Newton's Laws
Navketan Batra, D. E. Feldman
A striking general bound on the energy gap in topological matter was recently discovered in Ref. [Onishi and Fu, Phys. Rev. X {\bf 14}, 011052 (2024)]. A non-trivial indirect deriv…