7 papers
Kinetic obstruction to pairing in the doped Kitaev-Heisenberg ladder
Bradraj Pandey, Bo Xiao, Satoshi Okamoto +4
We investigate the hole-doped Kitaev-Heisenberg (--) model on a two-leg ladder geometry using the density-matrix renormalization group (DMRG). We first consider the behavi…
Simulation of Topological -Gates via Braiding of Majorana Zero Modes in an Interacting Quantum Dot System
Bradraj Pandey, Satoshi Okamoto, Pontus Laurell +2
Recent advances in quantum dot platforms have opened new pathways for realizing Majorana zero modes (MZMs) and simulating topological quantum computation. Here we propose an experi…
Diabatic error and propagation of Majorana zero modes in interacting quantum dots systems
Bradraj Pandey, Gaurav Kumar Gupta, Gonzalo Alvarez +2
Motivated by recent experimental progress in realizing Majorana zero modes (MZMs) using quantum dot systems, we investigate the diabatic errors associated with the movement of thos…
Pairing tendencies in the doped Kitaev-Heisenberg model
Pontus Laurell, Bradraj Pandey, Gábor B. Halász +3
We study the impact of hole-doping on the Kitaev-Heisenberg model on the honeycomb lattice. We investigate the pairing tendencies and correlation functions in the framework of a $t…
Non-trivial fusion of Majorana zero modes in interacting quantum-dot arrays
Bradraj Pandey, Satoshi Okamoto, Elbio Dagotto
Motivated by recent experimental reports of Majorana zero modes (MZMs) in quantum-dot systems at the ``sweet spot'', where the electronic hopping is equal to the superconduct…
Dynamics and Fusion of Majorana Zero Modes in Quantum-dot based Interacting Kitaev Chains
Bradraj Pandey, Elbio Dagotto
Motivated by the recent experimental realization of a minimal Kitaev chain in quantum dot systems, we present our theoretical findings on the dynamics and fusion of MZMs at or near…