99 citations · 417 across the 15 of their papers we have counts for
15 papers
Superconducting cavity qubit with tens of milliseconds single-photon coherence time
Ofir Milul, Barkay Guttel, Uri Goldblatt +7
Storing quantum information for an extended period of time is essential for running quantum algorithms with low errors. Currently, superconducting quantum memories have coherence t…
Neutron interference from a split-crystal interferometer
Hartmut Lemmel, Michael Jentschel, Hartmut Abele +5
We report the first successful operation of a neutron interferometer having a separate beam recombining crystal. We achieved this result at the neutron interferometry setup S18 at…
Multitube monitors: a new-generation of neutron beam monitors
F. Lafont, D. Barkats, J-C. Buffet +10
With the renewal of many neutron science instruments and the commissioning of new neutron facilities, there is a rising demand for improved neutron beam monitoring systems with red…
Uniformity of response of Uranium fission chambers used as neutron beam monitors
F. Lafont, B. Guerard, R. Hall-Wilton +1
Uranium fission chambers are commonly used for neutron beam monitoring in neutron research facilities. The challenges brought with the renewing or commissioning of new neutron faci…
Superconducting on-chip spectrometer for mesoscopic quantum systems
J. Griesmar, R. H. Rodriguez, V. Benzoni +4
Spectroscopy is a powerful tool to probe physical, chemical, and biological systems. Recent advances in microfabrication have introduced novel, intriguing mesoscopic quantum system…
Energy relaxation in edge modes in the quantum Hall effect
Amir Rosenblatt, Sofia Konyzheva, Fabien Lafont +6
Studies of energy flow in quantum systems complement the information provided by common conductance measurements. The quantum limit of heat flow in one dimensional (1D) ballistic m…
Counter-propagating charge transport in the quantum Hall effect regime
Fabien Lafont, Amir Rosenblatt, Moty Heiblum +1
The quantum Hall effect, observed in a two-dimensional electron gas subjected to a perpendicular magnetic field, imposes a 1D-like chiral, downstream, transport of charge carriers…
Transmission of heat modes across a potential barrier
Amir Rosenblatt, Fabien Lafont, Ivan Levkivskyi +5
Controlling the transmission of electrical current using a quantum point contact constriction paved a way to a large variety of experiments in mesoscopic physics. The increasing in…
New Paradigm for Edge Reconstruction of Fractional States: Part Two - Noise
Ron Sabo, Itamar Gurman, Amir Rosenblatt +7
The recent, unexpected, findings of upstream neutral modes in particle-like fractional quantum Hall states, led to a realization that the nature of the neutral modes is far from be…
A New Paradigm for Edge Reconstruction in Fractional Quantum Hall States
Ron Sabo, Itamar Gurman, Amir Rosenblatt +7
Questions on the nature of edge reconstruction and "where does the current flow" in the quantum Hall effect (QHE) have been debated for years. Moreover, the recent observation of p…
Graphene surpasses GaAs/AlGaAs for the application of the quantum Hall effect in metrology
R. Ribeiro-Palau, F. Lafont, J. Brun-Picard +8
The quantum Hall effect (QHE) theoretically provides a universal standard of electrical resistance in terms of the Planck constant and the electron charge . In graphene, the…
Quantum Hall resistance standards from graphene grown by chemical vapor deposition on silicon carbide
F. Lafont, R. Ribeiro-Palau, D. Kazazis +9
Replacing GaAs by graphene to realize more practical quantum Hall resistance standards (QHRS), accurate to within in relative value, but operating at lower magnetic field…
Anomalous dissipation mechanism and Hall quantization limit in polycrystalline graphene grown by chemical vapor deposition
F. Lafont, R. Ribeiro-Palau, Z. Han +8
We report on the observation of strong backscattering of charge carriers in the quantum Hall regime of polycrystalline graphene grown by chemical vapor deposition, which alters the…
High Electron Mobility in Epitaxial Graphene on 4H-SiC(0001) via post-growth annealing under hydrogen
E. Pallecchi, F. Lafont, V. Cavaliere +4
We investigate the magneto-transport properties of epitaxial graphene single-layer on 4H-SiC(0001), grown by atmospheric pressure graphitization in Ar, followed by H2 intercalation…
A programmable quantum current standard from the Josephson and the quantum Hall effects
W. Poirier, F. Lafont, S. Djordjevic +2
We propose a way to realize a programmable quantum current standard (PQCS) from the Josephson voltage standard and the quantum Hall resistance standard (QHR) exploiting the multipl…