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185 papers
Zero Mode Operators and Charge-Conjugation Defects in Non-Abelian Fractional Quantum Hall-Superconductor Heterostructures
Junyi Cao, Eduardo Fradkin
We study zero modes bound to charge-conjugation defects in fractional quantum Hall-superconductor (FQH-SC) heterostructures built from Abelian and non-Abelian FQH states. Although…
Chern insulator boundary criticality
Benjamin Moy, Eduardo Fradkin
We investigate signatures of chirality at Chern insulator transitions in the presence of a boundary. The transition between a trivial insulator and a Chern insulator with Chern num…
Interferometric Signatures of Zero Modes in Fractional Quantum Hall-Superconductor Heterostructures
Junyi Cao, Ramanjit Sohal, Angela Kou +1
Fractional quantum Hall-superconductor (FQH-SC) heterostructures are predicted to host defect-bound parafermion zero modes (PZMs). We propose two related configurations to probe th…
Signatures of Parafermion Zero Modes in Fractional Quantum Hall-Superconductor Heterostructures
Junyi Cao, Angela Kou, Eduardo Fradkin
Parafermion zero modes can arise in hybrid structures composed of fractional quantum Hall edges proximitized with an s-wave superconductor. Here we consider parafermion and…
Atomic-Scale Visualization of a Cascade of Magnetic Orders in the Layered Antiferromagnet
Arjun Raghavan, Marisa Romanelli, Julian May-Mann +8
is a layered antiferromagnet which has attracted attention due to its exceptionally high mobility, distinctive unidirectional incommensurate charge density wave (CDW), s…
Magnetic-field sensitive charge density wave orders in the superconducting phase of UTe2
Anuva Aishwarya, Julian May-Mann, Arjun Raghavan +8
The intense interest in triplet superconductivity partly stems from theoretical predictions of exotic excitations such as non-abelian Majorana modes, chiral supercurrents, and half…