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19922026
most citedPractical Bayesian Optimization of Machine Learning Algorithms

5.7k citations

Showing 2014Show all

52 papers · 1 filter

cond-mat.mtrl-sci2014★ 16 cited

Electric polarization of SrBaMnO: a multiferroic Mott insulator

R. Nourafkan, G. Kotliar, A. -M. S. Tremblay

Ab initio calculations of the electric polarization of correlation-driven insulating materials, namely Mott insulators, have not been possible so far. Using a combination of densit…

cond-mat.supr-con2014★ 45 cited

Universal V-shaped temperature-pressure phase diagram in the iron-based superconductors KFe2As2, RbFe2As2, and CsFe2As2

F. F. Tafti, A. Ouellet, A. Juneau-Fecteau +7

We report a sudden reversal in the pressure dependence of Tc in the iron-based superconductor RbFe2As2, at a critical pressure Pc = 11 kbar. Combined with our prior results on KFe2…

cond-mat.mes-hall2014★ 100 cited

Fast Electrical Control of Single Electron Spins in Quantum Dots with Vanishing Influence from Nuclear Spins

J. Yoneda, T. Otsuka, T. Nakajima +7

We demonstrate fast universal electrical spin manipulation with inhomogeneous magnetic fields. With fast Rabi frequency up to 127 MHz, we leave the conventional regime of strong nu…

cond-mat.str-el2014★ 27 cited

Impurity-induced magnetic moments on the graphene-lattice Hubbard model: an inhomogeneous cluster DMFT study

M. Charlebois, D. Sénéchal, A. -M. Gagnon +1

Defect-induced magnetic moments are at the center of the research effort on spintronic applications of graphene. Here we study the problem of a nonmagnetic impurity in graphene wit…

q-fin.MF2014

Existence and Uniqueness of a Steady State for an OTC Market with Several Assets

Alain Belanger, Ndoune Ndoune

We introduce and study a class of over-the-counter market models specified by systems of Ordinary Differential Equations (ODE's), in the spirit of Duffie- G^arleanu-Pedersen [6]. T…

cond-mat.mes-hall2014★ 4 cited

Probing surface states exposed by crystal terminations at arbitrary orientations of three-dimensional topological insulators

Sthitadhi Roy, Kush Saha, Sourin Das

The topological properties of the bulk band structure of a three-dimensional topological insulator (TI) manifest themselves in the form of metallic surface states. In this paper, w…

quant-ph2014★ 34 cited

Multiplexed Readout of Transmon Qubits with Josephson Bifurcation Amplifiers

V. Schmitt, X. Zhou, K. Juliusson +4

Achieving individual qubit readout is a major challenge in the development of scalable superconducting quantum processors. We have implemented the multiplexed readout of a four tra…

quant-ph2014★ 156 cited

Antibunching and unconventional photon blockade with Gaussian squeezed states

Marc-Antoine Lemonde, Nicolas Didier, Aashish A. Clerk

Photon antibunching is a quantum phenomenon typically observed in strongly nonlinear systems where photon blockade suppresses the probability for detecting two photons at the same…

cond-mat.mes-hall2014★ 6 cited

Transport gap and hysteretic behavior of the Ising quantum Hall ferromagnets in Landau levels of bilayer graphene

Wenchen Luo, R. Côté

The chiral two-dimensional electron gas in Landau levels of a Bernal-stacked graphene bilayer has a valley-pseudospin Ising quantum Hall ferromagnetic…

cond-mat.mes-hall2014★ 25 cited

Pauli-Heisenberg Blockade of Electron Quantum Transport

Karl Thibault, Julien Gabelli, Christian Lupien +1

Conduction of electrons in matter is ultimately described by quantum mechanics. Yet at low frequency or long time scales, low temperature quantum transport is perfectly described b…

cond-mat.mes-hall2014★ 125 cited

Spin-Polarized Tunneling Study on Spin-Momentum Locking in the Topological Insulators

Luqiao Liu, A. Richardella, Ion Garate +3

We demonstrate that the charge-spin conversion efficiency of topological insulators (TI) can be experimentally determined by injecting spin-polarized tunneling electrons into a TI.…

cond-mat.str-el2014★ 25 cited

d-wave superconductivity in the frustrated two-dimensional periodic Anderson model

Wei Wu, A. -M. -S. Tremblay

Superconductivity in heavy-fermion materials can sometimes appear in the incoherent regime and in proximity to an antiferromagnetic quantum critical point. Here we study these phen…

cond-mat.mes-hall2014★ 35 cited

Experimental Violation Of Bell-like Inequalities By Electronic Shot Noise

Jean-Charles Forgues, Christian Lupien, Bertrand Reulet

Quantum electronic noise, the random current fluctuations generated by electrons crossing a quantum conductor, has been thoroughly studied from the electron point of view. Recent e…

cond-mat.str-el2014★ 38 cited

Surface-to-bulk scattering in topological insulator films

Kush Saha, Ion Garate

We present a quantitative microscopic theory of the disorder- and phonon-induced coupling between surface and bulk states in topological insulator (TI) films. We find a simple stru…

math.RT2014

Another characterization of tilted algebras

Shiping Liu

We give a new characterization of tilted algebras by the existence of certain special subquivers in their Auslander-Reiten quiver. This result includes the existent characterizatio…

cond-mat.mes-hall2014★ 45 cited

Experimental evidence and control of the bulk-mediated intersurface coupling in topological insulator Bi2Te2Se nanoribbons

Zhaoguo Li, Ion Garate, Jian Pan +14

Nearly a decade after the discovery of topological insulators (TIs), the important task of identifying and characterizing their topological surface states through electrical transp…

math.PR2014★ 4 cited

A homological upper bound on critical probabilities for hyperbolic percolation

Nicolas Delfosse, Gilles Zémor

We study bond percolation for a family of infinite hyperbolic graphs. We relate percolation to the appearance of homology in finite versions of these graphs. As a consequence, we d…

quant-ph2014★ 138 cited

Wigner function negativity and contextuality in quantum computation on rebits

Nicolas Delfosse, Philippe Allard Guerin, Jacob Bian +1

We describe a universal scheme of quantum computation by state injection on rebits (states with real density matrices). For this scheme, we establish contextuality and Wigner funct…

cond-mat.mes-hall2014★ 15 cited

Initialization of a spin qubit in a site-controlled nanowire quantum dot

Konstantinos G. Lagoudakis, Peter L. McMahon, Kevin A. Fischer +8

A fault-tolerant quantum repeater or quantum computer using solid-state spin-based quantum bits will likely require a physical implementation with many spins arranged in a grid. Se…

cs.CV2014★ 65 cited

A Deep and Autoregressive Approach for Topic Modeling of Multimodal Data

Yin Zheng, Yu-Jin Zhang, Hugo Larochelle

Topic modeling based on latent Dirichlet allocation (LDA) has been a framework of choice to deal with multimodal data, such as in image annotation tasks. Another popular approach t…

cond-mat.supr-con2014★ 67 cited

Evidence for a small hole pocket in the Fermi surface of underdoped YBa2Cu3Oy

N. Doiron-Leyraud, S. Badoux, S. Rene de Cotret +13

The Fermi surface of a metal is the fundamental basis from which its properties can be understood. In underdoped cuprate superconductors, the Fermi surface undergoes a reconstructi…

physics.optics2014★ 2 cited

Circularly Polarized Attosecond Pulses and Molecular Atto-Magnetism

Andre D. Bandrauk, Kai-Jun Yuan

Various schemes are presented for the generation of circularly polarized molecular high-order harmonic generation (MHOHG) from molecules. In particular it is shown that combination…

quant-ph2014★ 535 cited

Photon-mediated interactions between distant artificial atoms

Arjan F. van Loo, Arkady Fedorov, Kevin Lalumière +3

Photon-mediated interactions between atoms are of fundamental importance in quantum optics, quantum simulations and quantum information processing. The exchange of real and virtual…

cond-mat.supr-con2014★ 4 cited

Isotropic multi-gap superconductivity in BaFe1.9Pt0.1As2 from thermal transport and spectroscopic measurements

Steven Ziemak, K. Kirshenbaum, S. R. Saha +11

Thermal conductivity, point contact spectroscopy, angle-resolved photoemission and Raman spectroscopy measurements were performed on BaFe1.9Pt0.1As2 single crystals obtained from t…