Publications (31)
Rapid microwave phase detection based on a solid state spiontronic device
B. M. Yao, L. Fu, X. S. Chen +4
A technique for rapidly detecting microwave phase has been developed which uses a spintronic device that can directly rectify microwave fields into a dc voltage signal. Use of a vo…
3D Cosmic Shear: Cosmology from CFHTLenS
T. D. Kitching, A. F. Heavens, J. Alsing +19
This paper presents the first application of 3D cosmic shear to a wide-field weak lensing survey. 3D cosmic shear is a technique that analyses weak lensing in three dimensions usin…
The galaxy-halo connection from a joint lensing, clustering and abundance analysis in the CFHTLenS/VIPERS field
J. Coupon, S. Arnouts, L. van Waerbeke +31
We present new constraints on the relationship between galaxies and their host dark matter halos, measured from the location of the peak of the stellar-to-halo mass ratio (SHMR), u…
Dark energy constraints and correlations with systematics from CFHTLS weak lensing, SNLS supernovae Ia and WMAP5
M. Kilbinger, K. Benabed, J. Guy +15
We combine measurements of weak gravitational lensing from the CFHTLS-Wide survey, supernovae Ia from CFHT SNLS and CMB anisotropies from WMAP5 to obtain joint constraints on cosmo…
Single-Dirac-Cone topological surface states on pseudo-IV-VI-semimetal/semiconductors: Thallium-based III-V-VI2 Ternary Chalcogenides
H. Lin, R. S. Markiewicz, L. A. Wray +3
We have investigated several classes of strong spin-orbit chalcogenides related to the (Pb,Sn)Te series studied in connection with the Dirac fermion physics in the 1980s. Our first…
Josephson Detection of Time Reversal Symmetry Broken Superconductivity in SnTe Nanowires
C. J. Trimble, M. T. Wei, N. F. Q. Yuan +8
Exotic superconductors, such as high T, topological, and heavy-fermion superconductors, require phase sensitive measurements to determine the underlying pairing. Here we invest…
First cosmic shear results from the Canada-France-Hawaii Telescope Wide Synoptic Legacy Survey
H. Hoekstra, Y. Mellier, L. van Waerbeke +6
We present the first measurements of the weak gravitational lensing signal induced by the large scale mass distribution from data obtained as part of the ongoing Canada-France-Hawa…
Gamma-ray emission from globular clusters 2MS-GC01, IC 1257, NGC5904, NGC6656 and FSR1735
J. N. Zhou, P. F. Zhang, X. Y. Huang +5
Globular clusters (GCs) are the oldest stellar system in the Galaxy, in which the millisecond pulsars are widely believed to be the only steady γ-ray emitters. So far 9 γ-ray GCs…
Observation of Topological Superconductivity in a Stoichiometric Transition Metal Dichalcogenide 2M-WS2
Y. W. Li, H. J. Zheng, Y. Q. Fang +22
Topological superconductors (TSCs) are unconventional superconductors with bulk superconducting gap and in-gap Majorana states on the boundary that may be used as topological qubit…
Single-Dirac-Cone topological surface states in TlBiSe2 class of Topological Insulators
H. Lin, R. S. Markiewicz, L. A. Wray +3
We have investigated several strong spin-orbit coupling ternary chalcogenides related to the (Pb,Sn)Te series of compounds. Our first-principles calculations predict the low temper…
Nature of the ferromagnetic-antiferromagnetic transition in YLaTiO
S. Hameed, S. El-Khatib, K. P. Olson +18
We explore the magnetically-ordered ground state of the isovalently-substituted Mott-insulator YLaTiO for 0.3 via single crystal growth, magnetometry…
CFHTLenS: Weak lensing calibrated scaling relations for low mass clusters of galaxies
K. Kettula, S. Giodini, E. van Uitert +24
We present weak lensing and X-ray analysis of 12 low mass clusters from the CFHTLenS and XMM-CFHTLS surveys. We combine these systems with high-mass systems from CCCP and low-mass…
Very weak lensing in the CFHTLS Wide: Cosmology from cosmic shear in the linear regime
L. Fu, E. Semboloni, H. Hoekstra +16
We present an exploration of weak lensing by large-scale structure in the linear regime, using the third-year (T0003) CFHTLS Wide data release. Our results place tight constraints…
Cosmic Shear Analysis with CFHTLS Deep data
E. Semboloni, Y. Mellier, L. van Waerbeke +8
We present the first cosmic shear measurements obtained from the T0001 release of the Canada-France-Hawaii Telescope Legacy Survey. The data set covers three uncorrelated patches (…
CFHTLenS: A Gaussian likelihood is a sufficient approximation for a cosmological analysis of third-order cosmic shear statistics
P. Simon, E. Semboloni, L. van Waerbeke +10
We study the correlations of the shear signal between triplets of sources in the Canada-France-Hawaii Lensing Survey (CFHTLenS) to probe cosmological parameters via the matter bisp…
Observation of a warped helical spin-texture in BiSe from circular dichroism angle-resolved photoemission spectroscopy
Y. H. Wang, D. Hsieh, D. Pilon +4
A differential coupling of topological surface states to left- versus right-circularly polarized light is the basis of many opto-spintronics applications of topological insulators.…
CFHTLenS: The Canada-France-Hawaii Telescope Lensing Survey - Imaging Data and Catalogue Products
T. Erben, H. Hildebrandt, L. Miller +29
We present data products from the Canada-France-Hawaii Telescope Lensing Survey (CFHTLenS). CFHTLenS is based on the Wide component of the Canada-France-Hawaii Telescope Legacy Sur…
Two superconducting states with broken time-reversal symmetry in FeSe1-xSx
K. Matsuura, M. Roppongi, M. Qiu +25
Iron-chalcogenide superconductors FeSeS possess unique electronic properties such as non-magnetic nematic order and its quantum critical point. The nature of supercondu…
CFHTLenS: Higher-order galaxy-mass correlations probed by galaxy-galaxy-galaxy lensing
P. Simon, T. Erben, P. Schneider +16
We present the first direct measurement of the galaxy-matter bispectrum as a function of galaxy luminosity, stellar mass, and SED type. Our analysis uses a galaxy-galaxy-galaxy len…
Novel Spin-texture on the warped Dirac-cone surface states in topological insulators
Susmita Basak, Hsin Lin, L. A. Wray +4
We have investigated the nature of surface states in the Bi2Te3 family of three-dimensional topological insulators using first-principles calculations as well as model Hamiltonians…
A simple experiment for observing clustering and dynamics of coalescing particles in air turbulence
L. Fu, J. Feng, Y. Chen +3
A novel experimental platform is developed to investigate the dynamics of inertial particles (micro-droplets) in air turbulence. The goal is to observe particle collision and coale…
Bayesian Galaxy Shape Measurement for Weak Lensing Surveys - III. Application to the Canada-France-Hawaii Telescope Lensing Survey
L. Miller, C. Heymans, T. D. Kitching +17
A likelihood-based method for measuring weak gravitational lensing shear in deep galaxy surveys is described and applied to the Canada-France-Hawaii Telescope (CFHT) Lensing Survey…
Detection of gamma-ray emission from globular clusters M 15, NGC 6397, NGC 5904, NGC 6218 and NGC 6139 with Fermi-LAT
P. F. Zhang, Y. L. Xin, L. Fu +4
In the third Fermi catalogue (3FGL) there are sixteen gamma-ray globular clusters. After analyzing the recent released Pass 8 data of Fermi Large Area Telescope (LAT), we report th…
Testing Gravity with the CFHTLS-Wide Cosmic Shear Survey and SDSS LRGs
O. Doré, M. Martig, Y. Mellier +7
General relativity as one the pillar of modern cosmology has to be thoroughly tested if we want to achieve an accurate cosmology. We present the results from such a test on cosmolo…
Dark Matter on the Smallest Scales
E. R. Siegel, G. D'Amico, E. Di Napoli +5
This work investigates the dark matters structures that form on the smallest cosmological scales. We find that the types and abundances of structures which form at approximately Ea…
Abell 611: I. weak lensing analysis with LBC
A. Romano, L. Fu, F. Giordano +24
Aims. The Large Binocular Cameras (LBC) are two twin wide field cameras (FOV ~ 23'x 25') mounted at the prime foci of the 8.4m Large Binocular Telescope (LBT). We performed a weak…
Interaction-Driven Spontaneous Quantum Hall Effect on Kagome Lattice
W. Zhu, S. S. Gong, T. S. Zeng +2
Non-interacting topological states of matter can be realized in band insulators with intrinsic spin-orbital couplings as a result of the nontrivial band topology. In recent years,…
Abell 611. II. X-ray and strong lensing analyses
A. Donnarumma, S. Ettori, M. Meneghetti +10
We present the results of our analyses of the X-ray emission and of the strong lensing systems in the relaxed galaxy cluster Abell 611 (z=0.288). We infer the X-ray mass estimate d…
Topologically entangled Rashba-split Shockley states on the surface of grey arsenic
Peng Zhang, J. -Z. Ma, Y. Ishida +13
We discover a pair of spin-polarized surface bands on the (111) face of grey arsenic by using angle-resolved photoemission spectroscopy (ARPES). In the occupied side, the pair rese…
Hartree-Fock Studies of the Ferroelectric Perovskites
L. Fu, E. Yaschenko, L. Resca +1
Within an ab-initio HF scheme, we use both Berry-phase calculations and supercell calculations in order to compute the dynamical charges for lattice dynamics and the electronic die…
CFHTLenS: Improving the quality of photometric redshifts with precision photometry
H. Hildebrandt, T. Erben, K. Kuijken +16
Here we present the results of various approaches to measure accurate colours and photometric redshifts (photo-z's) from wide-field imaging data. We use data from the Canada-France…