33 citations · 170 across the 16 of their papers we have counts for
16 papers
Collapse of edge reconstruction in compressible Quantum Hall fluid within filling fraction range 2/3 to 1
Suvankar Purkait, Tanmay Maiti, Pooja Agarwal +4
The edge structure of a gate-defined compressible quantum Hall fluids in the filling fraction range 2/3 to 1 is studied using the three reconstructed fractional edge modes…
Edge reconstruction of compressible Quantum Hall fluid in the filling fraction range 1/3 to 2/3
Suvankar Purkait, Tanmay Maiti, Pooja Agarwal +6
Edge reconstruction of gate-tunable compressible quantum Hall fluids in the filling fraction range 1/3 to 2/3 is studied by measuring transmitted conductance of two individually ex…
A ballistic two-dimensional-electron-gas Andreev interferometer
M. Amado, A. Fornieri, G. Biasiol +2
We report the realization and investigation of a ballistic Andreev interferometer based on an InAs two dimensional electron gas coupled to a superconducting Nb loop. We observe str…
Current-induced magnetization dynamics at the edge of a two-dimensional electron system with strong spin-orbit coupling
A. Kononov, S. V. Egorov, G. Biasiol +2
We experimentally investigate electron transport through the interface between a permalloy ferromagnet and the edge of a two-dimensional electron system with strong Rashba-type spi…
Selective control of edge-channel trajectories by scanning gate microscopy
N. Paradiso, S. Heun, S. Roddaro +5
Electronic Mach-Zehnder interferometers in the Quantum Hall (QH) regime are currently discussed for the realization of quantum information schemes. A recently proposed device archi…
Non-galvanic primary thermometry of a two-dimensional electron gas
P. Torresani, M. J. Martínez-Pérez, S. Gasparinetti +5
We report the experimental realization of a non-galvanic, primary thermometer capable of measuring the electron temperature of a two-dimensional electron gas with negligible therma…
Andreev reflection at the edge of a two-dimensional electron system with strong spin-orbit coupling
A. Kononov, G. Biasiol, L. Sorba +1
We experimentally investigate transport properties of a single planar junction between the niobium superconductor and the edge of a two-dimensional electron system in a narrow $In_…
Quantum Hall Mach-Zehnder interferometer at fractional filling factors
E. V. Deviatov, S. V. Egorov, G. Biasiol +1
We use a Mach-Zehnder quantum Hall interferometer of a novel design to investigate the interference effects at fractional filling factors. Our device brings together the advantages…
A quantum Hall Mach-Zehnder interferometer far beyond the equilibrium
E. V. Deviatov, A. Ganczarczyk, A. Lorke +2
We experimentally realize quantum Hall Mach-Zehnder interferometer which operates far beyond the equilibrium. The operation of the interferometer is based on allowed intra-edge ela…
Circularly Polarized Resonant Rayleigh Scattering and Skyrmions in the = 1 Quantum Hall Ferromagnet
V. Bellani, F. Rossella, M. Amado +4
We use the circularly polarized resonant Rayleigh scattering (RRS) to study the quantum Hall ferromagnet at = 1. At this filling factor we observe a right handed copolarized RR…
Energy transport by neutral collective excitations at the quantum Hall edge
E. V. Deviatov, A. Lorke, G. Biasiol +1
We use the edge of the quantum Hall sample to study the possibility for counter-propagating neutral collective excitations. A novel sample design allows us to independently investi…
Local investigation of the energy gap within the incompressible strip in the quantum Hall regime
E. V. Deviatov, A. Lorke, G. Biasiol +2
We experimentally study the energy gap within the incompressible strip at local filling factor at the quantum Hall edge for samples of very different mobilities. The obtain…
Singlet-triplet transition in a few-electron lateral InGaAs-InAlAs quantum dot
F. Deon, V. Pellegrini, F. Carillo +4
The magnetic-field evolution of Coulomb blockade peaks in lateral InGaAs/InAlAs quantum dots in the few-electron regime is reported. Quantum dots are defined by gates evaporated on…
Non-local effects of edge excitations in the quantum Hall regime
E. V. Deviatov, A. Lorke, G. Biasiol +1
We use a novel sample geometry to study non-local effects of edge excitations in the integer quantum Hall effect regime. We find that the condition of local equilibrium at the quan…
Impact of classical forces and decoherence in multi-terminal Aharonov-Bohm networks
E. Strambini, V. Piazza, G. Biasiol +2
Multi-terminal Aharonov-Bohm (AB) rings are ideal building blocks for quantum networks (QNs) thanks to their ability to map input states into controlled coherent superpositions of…
Electron-phonon coupling in the two phonon mode ternary alloy quantum well
C. Faugeras, G. Martinez, F. Capotondi +2
We have investigated the infrared transmission of a two-dimensional (2DEG) electron gas confined in a single quantum well in order to st…