Search Results - "Analytis, J G."
-
1
Giant anisotropic nonlinear optical response in transition metal monopnictide Weyl semimetals
Published in Nature physics (01-04-2017)“…An optical second-harmonic generation study of a series of transition metal monopnictide Weyl semimetals reveals a giant, anisotropic nonlinear optical…”
Get full text
Journal Article -
2
Experimental Realization of a Three-Dimensional Topological Insulator, Bi2Te3
Published in Science (American Association for the Advancement of Science) (10-07-2009)“…Three-dimensional topological insulators are a new state of quantum matter with a bulk gap and odd number of relativistic Dirac fermions on the surface. By…”
Get full text
Journal Article -
3
Massive Dirac Fermion on the Surface of a Magnetically Doped Topological Insulator
Published in Science (American Association for the Advancement of Science) (06-08-2010)“…In addition to a bulk energy gap, topological insulators accommodate a conducting, linearly dispersed Dirac surface state. This state is predicted to become…”
Get full text
Journal Article -
4
Unconventional Josephson effect in hybrid superconductor-topological insulator devices
Published in Physical review letters (30-07-2012)“…We report on transport properties of Josephson junctions in hybrid superconducting-topological insulator devices, which show two striking departures from the…”
Get full text
Journal Article -
5
Observation of the non-linear Meissner effect
Published in Nature communications (07-03-2022)“…A long-standing theoretical prediction is that in clean, nodal unconventional superconductors the magnetic penetration depth λ , at zero temperature, varies…”
Get full text
Journal Article -
6
Critical spin fluctuations and the origin of nematic order in Ba(Fe1−xCox)2As2
Published in Nature physics (25-01-2016)“…Inelastic Raman scattering is used to probe the critical spin fluctuations in an iron pnictide superconductor, providing insights into the origin of nematic…”
Get full text
Journal Article -
7
Noncoplanar and Counterrotating Incommensurate Magnetic Order Stabilized by Kitaev Interactions in gamma -Li2IrO3
Published in Physical review letters (06-11-2014)“…Materials that realize Kitaev spin models with bond-dependent anisotropic interactions have long been searched for, as the resulting frustration effects are…”
Get full text
Journal Article -
8
Ultrafast optical excitation of a persistent surface-state population in the topological insulator Bi2Se3
Published in Physical review letters (16-03-2012)“…Using femtosecond time- and angle-resolved photoemission spectroscopy, we investigated the nonequilibrium dynamics of the topological insulator Bi2Se3. We…”
Get full text
Journal Article -
9
STM imaging of electronic waves on the surface of Bi2Te3: topologically protected surface states and hexagonal warping effects
Published in Physical review letters (08-01-2010)“…Scanning tunneling spectroscopy studies on high-quality Bi2Te3 crystals exhibit perfect correspondence to angle-resolved photoemission spectroscopy data, hence…”
Get full text
Journal Article -
10
Distinguishing Bulk and Surface Electron-Phonon Coupling in the Topological Insulator Bi2Se3 Using Time-Resolved Photoemission Spectroscopy
Published in Physical review letters (10-10-2014)“…We report time- and angle-resolved photoemission spectroscopy measurements on the topological insulator Bi2Se3. We observe oscillatory modulations of the…”
Get full text
Journal Article -
11
Widespread spin polarization effects in photoemission from topological insulators
Published in Physical review. B, Condensed matter and materials physics (14-10-2011)“…High-resolution spin- and angle-resolved photoemission spectroscopy (spin-ARPES) was performed on the three-dimensional topological insulator Bi{sub 2}Se{sub…”
Get full text
Journal Article -
12
Direct optical coupling to an unoccupied dirac surface state in the topological insulator Bi2Se3
Published in Physical review letters (27-09-2013)“…We characterize the occupied and unoccupied electronic structure of the topological insulator Bi2Se3 by one-photon and two-photon angle-resolved photoemission…”
Get full text
Journal Article -
13
Single Dirac cone topological surface state and unusual thermoelectric property of compounds from a new topological insulator family
Published in Physical review letters (31-12-2010)“…Angle resolved photoemission spectroscopy study on TlBiTe2 and TlBiSe2 from a thallium-based ternary chalcogenides family revealed a single surface Dirac cone…”
Get full text
Journal Article -
14
STM imaging of impurity resonances on Bi2Se3
Published in Physical review letters (18-05-2012)“…In this Letter we present detailed study of the density of states near defects in Bi2Se3. In particular, we present data on the commonly found triangular…”
Get full text
Journal Article -
15
Evidence for a nodal-line superconducting state in LaFePO
Published in Physical review letters (10-04-2009)“…In several iron-arsenide superconductors there is strong evidence for a fully gapped superconducting state consistent with either a conventional s-wave…”
Get full text
Journal Article -
16
Fermi surface of superconducting LaFePO determined from quantum oscillations
Published in Physical review letters (21-11-2008)“…We report extensive measurements of quantum oscillations in the normal state of the Fe-based superconductor LaFePO, (T(c) approximately 6 K) using low…”
Get full text
Journal Article -
17
Fermi surface of SrFe2P2 determined by the de Haas-van Alphen effect
Published in Physical review letters (14-08-2009)“…We report measurements of the Fermi surface (FS) of the ternary iron-phosphide SrFe2P2 using the de Haas-van Alphen effect. The calculated FS of this compound…”
Get full text
Journal Article -
18
Charge dynamics of Co-doped BaFe2As2
Published in New journal of physics (27-07-2010)Get full text
Journal Article -
19
Topological change of the Fermi surface in ternary iron pnictides with reduced c/a ratio: a de Haas-van Alphen study of CaFe2P2
Published in Physical review letters (10-07-2009)“…We report a de Haas-van Alphen effect study of the Fermi surface of CaFe2P2 using low-temperature torque magnetometry up to 45 T. This system is a close…”
Get full text
Journal Article -
20
Noncoplanar and Counterrotating Incommensurate Magnetic Order Stabilized by Kitaev Interactions in γ − Li 2 IrO 3
Published in Physical review letters (06-11-2014)Get full text
Journal Article