3 papers
cond-mat.str-el2026
Three-dimensional Foliated Fractional Quantum Hall Phases
Sahana Das, Navketan Batra, Andrea Kouta Dagnino +4
Foliated topological orders in three dimensions are layered systems in which anyons are free to move within a layer but cannot hop between them. A simple model with such a phase is…
cond-mat.str-el2025
Fractional topological insulators at odd-integer filling: Phase diagram of two-valley quantum Hall model
Sahana Das, Glenn Wagner, Titus Neupert
The fractional quantum Hall effect has recently been shown to exist in heterostructures of van der Waals materials without an externally applied magnetic field, e.g. in twisted bil…
cond-mat.mes-hall2024
Enigmatic 2+6/13 Filling Factor: A Prototype Intermittent Topological State
Sudipto Das, Sahana Das, Sudhansu S. Mandal
Observation of filling factor 6/13 is one of the surprising fractional quantum Hall states in the second Landau level because, in contrast to the standard wisdom, the fractions ($Î…