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Fractional quantum Hall systems near nematicity: bimetric theory, composite fermions, and Dirac brackets
Dung Xuan Nguyen, Andrey Gromov, Dam Thanh Son
We perform a detailed comparison of the Dirac composite fermion and the recently proposed bimetric theory for a quantum Hall Jain states near half filling. By tuning the composite…
Effective field theory for one-dimensional nonrelativistic particles with contact interaction
Soke Yuen Yong, Dam Thanh Son
We consider a field theory describing interacting nonrelativistic particles of two types, which map to each other under time reversal, with point-like interaction. We identify a ne…
Particle-hole symmetry and composite fermions in fractional quantum Hall states
Dung Xuan Nguyen, Siavash Golkar, Matthew M. Roberts +1
We study fractional quantum Hall states at filling fractions in the Jain sequences using the framework of composite Dirac fermions. Synthesizing previous work, we write down an eff…
Bimetric Theory of Fractional Quantum Hall States
Andrey Gromov, Dam Thanh Son
We present a bimetric low-energy effective theory of fractional quantum Hall (FQH) states that describes the topological properties and a gapped collective excitation, known as Gir…