3 papers
cond-mat.supr-con2020
Quantum Geometric Contributions to the BKT Transition: Beyond Mean Field Theory
Zhiqiang Wang, Gaurav Chaudhary, Qijin Chen +1
We study quantum geometric contributions to the Berezinskii-Kosterlitz-Thouless (BKT) transition temperature, , in the presence of fluctuations beyond BCS theory.…
cond-mat.mes-hall2019
Vortex Lattice Structure and Topological Superconductivity in the Quantum Hall Regime
Gaurav Chaudhary, Allan H. MacDonald
Chiral topological superconductors are expected to appear as intermediate states when a quantum anomalous Hall system is proximity coupled to an s-wave superconductor and the magne…
cond-mat.str-el2018
Tunneling density of states, correlation energy, and spin polarization in the fractional quantum Hall regime
Gaurav Chaudhary, Dmitry K. Efimkin, Allan H. MacDonald
We derive exact sum-rules that relate the tunneling density of states (TDOS) of spinful electrons in the fractional quantum Hall (FQH) regime to the spin-dependent many body ground…