9 papers · 1 filter
From perfect to imperfect poor man's Majoranas in minimal Kitaev chains
Melina Luethi, Henry F. Legg, Daniel Loss +1
Poor man's Majoranas (PMMs) hold the promise to engineer Majorana bound states in a highly tunable setup consisting of a chain of quantum dots that are connected via superconductor…
Long-range crossed Andreev reflection in topological insulator nanowires proximitized by a superconductor
Junya Feng, Henry F. Legg, Mahasweta Bagchi +3
Crossed Andreev reflection (CAR) is a nonlocal transport phenomenon that creates/detects Cooper-pair correlations between distant places. It is also the basis of Cooper-pair splitt…
Interband contributions to nonlinear transport in semiconductor nanostructures
Kazuki Nakazawa, Henry F. Legg, Jelena Klinovaja +1
Spin-orbit interaction (SOI) is a crucial ingredient for many potential applications of quantum devices, such as the use of semiconductor nanostructures for quantum computing. It i…
Spin-resolved nonlocal transport in proximitized Rashba nanowires
PaweÅ Szumniak, Daniel Loss, Jelena Klinovaja
Non-equilibrium transport in hybrid semiconductor-superconductor nanowires is crucial for many quantum phenomena such as generating entangled states via cross Andreev reflection (C…
Magnonic Josephson junctions and synchronized precession
Kouki Nakata, Ji Zou, Jelena Klinovaja +1
There has been a growing interest in non-Hermitian physics. One of its main goals is to engineer dissipation and to explore ensuing functionality. In magnonics, the effect of dissi…
Quantum computation with hybrid parafermion-spin qubits
Denis V. Kurlov, Melina Luethi, Anatoliy I. Lotkov +3
We propose a universal set of single- and two-qubit quantum gates acting on a hybrid qubit formed by coupling a quantum dot spin qubit to a parafermion qubit with…