22 citations · 129 across the 20 of their papers we have counts for
20 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…
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…
Crystalline-Symmetry-Protected Majorana Modes in Coupled Quantum Dots
Bradraj Pandey, Gonzalo Alvarez, Elbio Dagotto +1
We propose a minimalist architecture for achieving various crystalline-symmetry-protected Majorana modes in an array of coupled quantum dots. Our framework is motivated by the rece…
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…
Majorana zero modes in Y-shape interacting Kitaev wires
Bradraj Pandey, Nitin Kaushal, Gonzalo Alvarez +1
Motivated by the recent experimental realization of minimal Kitaev chains using quantum dots, we investigate the Majorana zero modes (MZM) in -shape Kitaev wires. We solve the a…
Out of Equilibrium Majoranas in Interacting Kitaev Chains
Bradraj Pandey, Narayan Mohanta, Elbio Dagotto
We employ a time-dependent real-space local density-of-states method to study the movement and fusion of Majorana zero modes in the 1D interacting Kitaev model, based on the time e…
Excitonic wave-packet evolution in a two-orbital Hubbard model chain: A real-time real-space study
Bradraj Pandey, Gonzalo Alvarez, Elbio Dagotto
Motivated by experimental developments introducing the concept of spin-orbit separation, we study the real-space time evolution of an excitonic wave-packet using a two-orbital Hubb…
Intertwined charge, spin, and pairing orders in doped iron ladders
Bradraj Pandey, Rahul Soni, Ling-Fang Lin +2
Motivated by recent experimental progress on iron-based ladder compounds, we study the doped two-orbital Hubbard model for the two-leg ladder BaFeS. The model is constructe…
Origin of the Magnetic and Orbital ordering in -SrCrO
Bradraj Pandey, Yang Zhang, Nitin Kaushal +5
Motivated by recent experimental progress in transition metal oxides with the KNiF structure, we investigate the magnetic and orbital ordering in -SrCrO. Using f…
Prediction of exotic magnetic states in the alkali metal quasi-one-dimensional iron selenide compound NaFeSe
Bradraj Pandey, Ling-Fang Lin, Rahul Soni +4
The magnetic and electronic phase diagram of a model for the quasi-one-dimensional alkali metal iron selenide compound NaFeSe is presented. The novelty of this material is…
Quantum Hall Skyrmions at in monolayer graphene
Thierry Jolicoeur, Bradraj Pandey
Monolayer graphene under a strong perpendicular field exhibit quantum Hall ferromagnetism with spontaneously broken spin and valley symmetry. The approximate SU(4) spin/valley symm…
Quench dynamics of two component dipolar fermions subject to a quasiperiodic potential
Bradraj Pandey, Elbio Dagotto, Swapan K. Pati
Motivated by recent experiments in fermionic polar gases, we study the non-equilibrium dynamics of two-component dipolar fermions subject to a quasiperiodic potential. We investiga…
Quantum purification spectroscopy
Bradraj Pandey, Kirill Plekhanov, Guillaume Roux
We discuss a protocol based on quenching a purified quantum system that allows to capture bulk spectral features. It uses an infinite temperature initial state and an interferometr…
Triplet Superfluidity on a triangular ladder with dipolar fermions
Bradraj Pandey, Swapan K. Pati
Motivated by recent experimental progress in the field of dipolar-Fermi gases, we investigate the quantum phases of dipolar fermions, on a triangular ladder at half filling. Using…
Engineering the De-localized States of Graphene Quantum Dots
Madhuri Mukhopadhyay, Bradraj Pandey, Swapan K Pati
Employing a combination of many-body configuration interaction method described by extended Hubbard model along with first principle calculations we predict the emergence of high o…
Breakdown of electron-pairs in the presence of an electric field of a superconducting ring
Bradraj Pandey, Sudipta Dutta, Swapan K. Pati
The quantum dynamics of quasi-one-dimensional ring with varying electron filling factor is investigated in presence of external electric field. The system is modeled within Hubbard…
Quantum phases of hardcore bosons in two coupled chains: A density matrix renormalization group study
Bradraj Pandey, S. Sinha, Swapan K. Pati
We consider hardcore bosons in two coupled chain of one dimensional lattices at half filling with repulsive intra-chain interaction and inter-chain attraction. This can be mapped o…