7.4k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of TorontoCA627 papers
- University of British ColumbiaCA288 papers
- McMaster UniversityCA283 papers
- Université de SherbrookeCA270 papers
- University of WaterlooCA265 papers
- Perimeter InstituteCA261 papers
- Canadian Institute for Theoretical AstrophysicsCA233 papers
- California Institute of TechnologyUS198 papers
- McGill UniversityCA193 papers
- Centre National de la Recherche ScientifiqueFR179 papers
- University of California, BerkeleyUS166 papers
- University of Illinois Urbana-ChampaignUS161 papers
147 papers · 1 filter
Electron-boson spectral density of LiFeAs obtained from optical data
J. Hwang, J. P. Carbotte, B. H. Min +2
We analyze existing optical data in the superconducting state of LiFeAs at 4 K, to recover its electron-boson spectral density. A maximum entropy technique is employed to ext…
Critical Flow and Dissipation in a Quasi-One-Dimensional Superfluid
P-F Duc, M. Savard, M. Petrescu +3
In one of the most celebrated examples of the theory of universal critical phenomena, the phase transition to the superfluid state of He belongs to the same three dimensional…
Simulating Hamiltonian dynamics with a truncated Taylor series
Dominic W. Berry, Andrew M. Childs, Richard Cleve +2
We describe a simple, efficient method for simulating Hamiltonian dynamics on a quantum computer by approximating the truncated Taylor series of the evolution operator. Our method…
Non-topological nature of the edge current in a chiral p-wave superconductor
Wen Huang, Samuel Lederer, Edward Taylor +1
The edges of time reversal symmetry breaking topological superconductors support chiral Majorana bound states as well as spontaneous charge currents. The Majorana modes are a robus…
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…
Multi-scale quantum simulation of quantum field theory using wavelets
Gavin K. Brennen, Peter Rohde, Barry C. Sanders +1
A successful approach to understand field theories is to resolve the physics into different length or energy scales using the renormalization group framework. We propose a quantum…
A Measurement of Gravitational Lensing of the Cosmic Microwave Background by Galaxy Clusters Using Data from the South Pole Telescope
E. J. Baxter, R. Keisler, S. Dodelson +72
Clusters of galaxies are expected to gravitationally lens the cosmic microwave background (CMB) and thereby generate a distinct signal in the CMB on arcminute scales. Measurements…
Locally gauge-invariant spin response of He- films with Majorana surface states
Edward Taylor, A. John Berlinsky, Catherine Kallin
A locally gauge-invariant theory of the spin response of a thin film of He- film is given that describes fluctuation effects arising from the coupled dynamics of the superco…
Efficient Exact Gradient Update for training Deep Networks with Very Large Sparse Targets
Pascal Vincent, Alexandre de Brébisson, Xavier Bouthillier
An important class of problems involves training deep neural networks with sparse prediction targets of very high dimension D. These occur naturally in e.g. neural language models…
Achievable polarization for Heat-Bath Algorithmic Cooling
Nayeli A. Rodríguez-Briones, Raymond Laflamme
Pure quantum states play a central role in applications of quantum information, both as initial states for many algorithms and as resources for quantum error correction. Preparatio…
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…
Dissecting the thermal Sunyaev-Zeldovich-gravitational lensing cross-correlation with hydrodynamical simulations
Alireza Hojjati, Ian G. McCarthy, Joachim Harnois-Deraps +4
We use the cosmo-OWLS suite of cosmological hydrodynamical simulations, which includes different galactic feedback models, to predict the cross-correlation signal between weak grav…
Microscopic models for charge-noise-induced dephasing of solid-state qubits
Félix Beaudoin, W. A. Coish
Several experiments have shown qubit coherence decay of the form due to environmental charge-noise fluctuations. We present a microscopic description for…
A Measurement of the Cosmic Microwave Background Gravitational Lensing Potential from 100 Square Degrees of SPTpol Data
K. T. Story, D. Hanson, P. A. R. Ade +63
We present a measurement of the cosmic microwave background (CMB) gravitational lensing potential using data from the first two seasons of observations with SPTpol, the polarizatio…
Isotope Effect of Underdoped Cuprates in the Yang-Rice-Zhang Model
E. Schachinger, J. P. Carbotte
The underdoped region of the cuprate's phase diagram displays many novel electronic phenomena both in the normal and the superconducting state. Many of these anomalous properties h…
Approximation of Reachable Set for Coherently Controlled Open Quantum Systems: Application to Quantum State Engineering
Jun Li, Dawei Lu, Zhihuang Luo +3
Precisely characterizing and controlling realistic open quantum systems is one of the most challenging and exciting frontiers in quantum sciences and technologies. In this Letter,…
Characterization of Leakage Errors via Randomized Benchmarking
Joel J. Wallman, Marie Barnhill, Joseph Emerson
Leakage errors arise when the quantum state leaks out of some subspace of interest, for example, the two-level subspace of a multi-level system defining a computational `qubit' or…
Probing Neutrino Hierarchy and Chirality via Wakes
Hong-Ming Zhu, Ue-Li Pen, Xuelei Chen +1
The relic neutrinos are expected to acquire a bulk relative velocity with respect to the dark matter at low redshifts, and neutrino wakes are expected to develop downstream of the…
Experimental Estimation of Average Fidelity of a Clifford Gate on a 7-qubit Quantum Processor
Dawei Lu, Hang Li, Denis-Alexandre Trottier +8
Quantum gates in experiment are inherently prone to errors that need to be characterized before they can be corrected. Full characterization via quantum process tomography is impra…
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…
Magnetization of the Metallic Surface States in Topological Insulators
Calvin J. Tabert, J. P. Carbotte
We calculate the magnetization of the helical metallic surface states of a topological insulator. We account for the presence of a small sub-dominant Schr{ö}dinger piece in the Ham…
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…
Spin-orbit Coupling in Optical lattices
Shizhong Zhang, William S. Cole, Arun Paramekanti +1
In this review, we discuss the physics of spin-orbit coupled quantum gases in optical lattices. After reviewing some relevant experimental techniques, we introduce the basic theore…
Measurements of E-Mode Polarization and Temperature-E-Mode Correlation in the Cosmic Microwave Background from 100 Square Degrees of SPTpol Data
A. T. Crites, J. W. Henning, P. A. R. Ade +63
We present measurements of -mode polarization and temperature--mode correlation in the cosmic microwave background (CMB) using data from the first season of observations with…