79 citations · 624 across the 28 of their papers we have counts for
25 papers · 1 filter
Current cross-correlations as probes for poor man's Majorana states
Saatwik Patnaik, Aditya Saran, Himadri S Dhar +3
The minimal Kitaev chain that emulates a topological superconductor with three quantum dots offers a tunable platform for potentially hosting poor man's Majorana (PMM) modes. Asser…
Effect of inter-edge interaction in a quantum Hall collider
Amulya Ratnakar, Flavio Ronetti, Benoît Grémaud +4
Fractional quantum Hall (FQH) colliders measure anyon exchange phases via time-domain braiding, but the state exhibits an intriguing negative Fano factor, challenging theor…
Hanbury Brown-Twiss interferometry at the fractional quantum Hall edge
Ryotaro Sano, Fumihiro Murabayashi, Daigo Ichikawa +5
We propose a Hanbury Brown-Twiss interferometer for a fractional quantum Hall edge system, in which quasiparticles tunnel between two co-propagating edge modes. In contrast…
Microwave response of fractional quantum Hall droplets with quasiparticle tunneling
Fumihiro Murabayashi, Ryotaro Sano, Flavio Ronetti +4
We theoretically study microwave absorption spectroscopy of fractional quantum Hall droplets in the presence of quasiparticle tunneling across a quantum point contact. This contact…
Probing anyon statistics on a single-edge loop in the fractional quantum Hall regime
Flavio Ronetti, Noé Demazure, Jérôme Rech +6
We propose a setup to directly measure the anyonic statistical angle on a single edge of a fractional quantum Hall system, without requiring independent knowledge of non-universal…
Anyon braiding on the single edge of a fractional quantum Hall state
Flavio Ronetti, Noé Demazure, Jérôme Rech +6
Anyons are quasiparticles with fractional statistics, bridging between fermions and bosons. We propose an experimental setup to measure the statistical angle of topological anyons…
Photo-assisted shot noise probes multiple charge carriers in quantum Hall edges
Kishore Iyer, Flavio Ronetti, Benoît Grémaud +3
Fractional charges in the fractional quantum Hall effect were first observed via DC shot noise measurements of anyons tunneling at a quantum point contact (QPC). However, in scenar…
Time-domain braiding of anyons
Mélanie Ruelle, Elric Frigerio, Emmanuel Baudin +11
Contrary to fermions and bosons, anyons are quasiparticles that keep a robust memory of particle exchanges via a braiding phase factor. This provides them with unique dynamical pro…
Delta-T noise for fractional quantum Hall states at different filling factor
G. Rebora, J. Rech, D. Ferraro +3
The current fluctuations due to a temperature bias, i.e. the delta- noise, allow one to access properties of strongly interacting systems which cannot be addressed by the usual…
Scattering Theory of Non-Equilibrium Noise and Delta current fluctuations through a quantum dot
A. Popoff, J. Rech, T. Jonckheere +4
We consider the non-equilibrium zero frequency noise generated by a temperature gradient applied on a device composed of two normal leads separated by a quantum dot. We recall the…
Andreev reflection of fractional quantum Hall quasiparticles
Masayuki Hashisaka, Thibaut Jonckheere, Takafumi Akiho +4
Electron correlation in a quantum many-body state appears as peculiar scattering behaviour at its boundary, symbolic of which is Andreev reflection at a metal-superconductor interf…
Enhancing photon squeezing one Leviton at a time
D. Ferraro, F. Ronetti, J. Rech +3
A mesoscopic device in the simple tunnel junction or quantum point contact geometry emits microwaves with remarkable quantum properties, when subjected to a sinusoidal drive in the…
Estimation of π-π Electronic Couplings from Current Measurements
J. Trasobaresa, J. Rech, T. Jonckheere +14
The π-π interactions between organic molecules are among the most important parameters for optimizing the transport and optical properties of organic transistors, light-emitting di…
Polarized heat current generated by quantum pumping in two-dimensional topological insulators
F. Ronetti, M. Carrega, D. Ferraro +4
We consider transport properties of a two dimensional topological insulator in a double quantum point contact geometry in presence of a time-dependent external field. In the propos…
Hanbury Brown and Twiss noise correlations in a topological superconductor beam splitter
T. Jonckheere, J. Rech, A. Zazunov +2
We study Hanbury-Brown and Twiss current cross-correlations in a three-terminal junction where a central topological superconductor (TS) nanowire, bearing Majorana bound states at…
Decoherence and relaxation of a single electron in a one dimensional conductor
A. Marguerite, C. Cabart, C. Wahl +13
We study the decoherence and relaxation of a single elementary electronic excitation propagating in a one-dimensional chiral conductor. Using two-particle interferences in the elec…
Minimal excitations in the fractional quantum Hall regime
J. Rech, D. Ferraro, T. Jonckheere +3
We study the minimal excitations of fractional quantum Hall edges, extending the notion of levitons to interacting systems. Using both perturbative and exact calculations, we show…
Closing the proximity gap in a metallic Josephson junction between three superconductors
C. Padurariu, T. Jonckheere, J. Rech +4
We describe the proximity effect in a short disordered metallic junction between three superconducting leads. Andreev bound states in the multi-terminal junction may cross the Ferm…
Cooper pair splitting in a nanoSQUID geometry at high transparency
R. Jacquet, J. Rech, T. Jonckheere +2
We describe a Josephson device composed of two superconductors separated by two interacting quantum dots in parallel, as a probe for Cooper pair splitting. In addition to sequentia…
Electron and hole Hong-Ou-Mandel interferometry
T. Jonckheere, J. Rech, C. Wahl +1
We consider the electronic analog of the quantum optics Hong-Ou-Mandel interferometer, in a realistic condensed matter device based on single electron emission in chiral edge state…
Andreev quantum dot with several conducting channels
I. A. Sadovskyy, G. B. Lesovik, G. Blatter +2
We study an Andreev quantum dot, that is a quantum dot inserted in a superconducting ring, with several levels or conducting channels. We analyze the degeneracy of the ground state…
Real-time simulation of finite frequency noise from a single electron emitter
T. Jonckheere, T. Stoll, J. Rech +1
We study the real-time emission of single electrons from a quantum dot coupled to a one dimensional conductor, using exact diagonalization on a discrete tight-binding chain. We sho…
Current correlations in the interacting Cooper-pair beam-splitter
J. Rech, D. Chevallier, T. Jonckheere +1
We propose an approach allowing the computation of currents and their correlations in interacting multiterminal mesoscopic systems involving quantum dots coupled to normal and/or s…
Positive noise cross-correlations in superconducting hybrids: Roles of interfaces and interactions
R. Mélin, C. Benjamin, T. Martin
Shot noise cross-correlations in normal metal-superconductor-normal metal structures are discussed at arbitrary interface transparencies using both the scattering approach of Blond…