Mpemba effects in open nonequilibrium quantum systems
We generalize the classical thermal Mpemba effect (where an initially hot system relaxes
faster to the final equilibrium state than a cold one) to open quantum systems coupled to …
faster to the final equilibrium state than a cold one) to open quantum systems coupled to …
From perfect to imperfect poor man's Majoranas in minimal Kitaev chains
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 …
highly tunable setup consisting of a chain of quantum dots that are connected via …
Machine-learned tuning of artificial Kitaev chains from tunneling spectroscopy measurements
We demonstrate reliable machine-learned tuning of quantum-dot-based artificial Kitaev
chains to Majorana sweet spots, using the covariance matrix adaptation algorithm. We show …
chains to Majorana sweet spots, using the covariance matrix adaptation algorithm. We show …
Coupling of quantum-dot states via elastic cotunneling and crossed Andreev reflection in a minimal Kitaev chain
We consider a quantum-dot (QD) based minimal Kitaev chain model and study the effects of
modulation of QD states on the elastic cotunneling (ECT) and crossed Andreev reflection …
modulation of QD states on the elastic cotunneling (ECT) and crossed Andreev reflection …
Entanglement measures of Majorana bound states
Majorana bound states emerge in topological superconductors as zero-energy edge states
exhibiting spatial nonlocality. Despite the enormous advances, the detection of Majorana …
exhibiting spatial nonlocality. Despite the enormous advances, the detection of Majorana …
Majorana modes in quantum dots coupled via a floating superconducting island
Majorana modes can be engineered in arrays where quantum dots (QDs) are coupled via
grounded superconductors, effectively realizing an artificial Kitaev chain. Minimal Kitaev …
grounded superconductors, effectively realizing an artificial Kitaev chain. Minimal Kitaev …
Protocol for scaling up a sign-ordered Kitaev chain without magnetic flux control
Quantum dot-superconductor arrays have emerged as a new and promising material
platform for realizing Kitaev chains with Majorana zero modes. So far, experiments have …
platform for realizing Kitaev chains with Majorana zero modes. So far, experiments have …
Spin-selective transport in a correlated double quantum dot-Majorana wire system
In this work we investigate the spin-dependent transport through a double quantum dot
embedded in a ferromagnetic tunnel junction and side attached to a topological …
embedded in a ferromagnetic tunnel junction and side attached to a topological …
Edge and bulk states in a three-site Kitaev chain
A chain of quantum dots (QDs) coupled via semiconductor-superconductor hybrid regions
can form an artificial Kitaev chain hosting Majorana bound states (MBSs). These zero …
can form an artificial Kitaev chain hosting Majorana bound states (MBSs). These zero …
Signatures of Majorana protection in a three-site Kitaev chain
Majorana zero modes (MZMs) are non-Abelian excitations predicted to emerge at the edges
of topological superconductors. One proposal for realizing a topological superconductor in …
of topological superconductors. One proposal for realizing a topological superconductor in …