Showing 2018 · cond-mat.str-elShow all

40 papers · 2 filters

cond-mat.str-el2018★ 12 cited

Pu nuclear magnetic resonance in the candidate topological insulator PuB

A. P. Dioguardi, H. Yasuoka, S. M. Thomas +9

We present a detailed nuclear magnetic resonance (NMR) study of Pu in bulk and powdered single-crystal plutonium tetraboride (PuB), which has recently been investigat…

cond-mat.str-el2018★ 8 cited

Pressure dependent intermediate valence behavior in YbNiGa and YbNiIn

Z. E. Brubaker, R. L. Stillwell, P. Chow +12

We report a comprehensive structural and valence study of the intermediate valent materials YbNiGa and YbNiIn under pressures up to 60 GPa. YbNiGa undergoes a smo…

cond-mat.str-el2018★ 12 cited

Composite fermions in Fock space: Operator algebra, recursion relations, and order parameters

Li Chen, Sumanta Bandyopadhyay, Kun Yang +1

We develop recursion relations, in particle number, for all (unprojected) Jain composite fermion (CF) wave functions. These recursions generalize a similar recursion originally wri…

cond-mat.str-el2018★ 29 cited

Unifying Interacting Nodal Semimetals: A New Route to Strong Coupling

Shouvik Sur, Bitan Roy

We propose a general framework for constructing a large set of nodal-point semimetals by tuning the number of linearly () and (at most) quadratically () dispersing direct…

cond-mat.str-el2018★ 8 cited

Magnetoelastic coupling in URu2Si2: Probing multipolar correlations in the hidden order state

Mark Wartenbe, Ryan E. Baumbach, Arkady Shekhter +7

Time reversal symmetry and magnetoelastic correlations are probed by means of high-resolution volume dilatometry in URu2Si2 at cryogenic temperatures and magnetic fields more than…

cond-mat.str-el2018★ 23 cited

Emergent Bound States and Impurity Pairs in Chemically Doped Shastry-Sutherland System

Zhenzhong Shi, William Steinhardt, David Graf +8

The search for novel unconventional superconductors is a central topic of modern condensed matter physics. Similar to other Mott insulators, Shastry-Sutherland (SSL) systems are pr…

cond-mat.str-el2018★ 78 cited

Dynamical structure factor of the three-dimensional quantum spin liquid candidate NaCaNiF

Shu Zhang, Hitesh J. Changlani, Kemp W. Plumb +2

We study the spin-1 pyrochlore material NaCaNiF with a combination of molecular dynamics simulations, stochastic dynamical theory and linear spin wave theory. The dynamical…

cond-mat.str-el2018★ 348 cited

Strong coupling phases of partially filled twisted bilayer graphene narrow bands

Jian Kang, Oskar Vafek

We identify states favored by Coulomb interactions projected onto the Wannier basis of the four narrow bands of the "magic angle" twisted bilayer graphene. At the filling of two el…

cond-mat.str-el2018★ 48 cited

Hole-pocket-driven superconductivity and its universal features in the electron-doped cuprates

Yangmu Li, W. Tabis, Y. Tang +4

After three decades of enormous scientific inquiry, the emergence of superconductivity in the cuprates remains an unsolved puzzle. One major challenge has been to arrive at a satis…

cond-mat.str-el2018★ 6 cited

Static and Dynamic Signatures of Anisotropic Electronic Phase Separation in La2/3Ca1/3MnO3 Thin Films under Anisotropic Strain

Longqian Hu, Liuqi Yu, Peng Xiong +5

The electronic phase separation (EPS) of optimally doped La2/3Ca1/3MnO3 (LCMO) thin films under various degrees of anisotropic strain is investigated by static magnetotransport and…

cond-mat.str-el2018★ 13 cited

Exotic magnetic field-induced spin-superstructures in a mixed honeycomb triangular lattice system

V. Ovidiu Garlea, Liurukara D. Sanjeewa, Michael A. McGuire +7

The temperature-magnetic-field phase diagram of the mixed honeycomb triangular lattice system KMn(VO)CO is investigated by means of magnetization, hea…

cond-mat.str-el2018★ 21 cited

Resonating quantum three-coloring wavefunctions for the kagome quantum antiferromagnet

Hitesh J. Changlani, Sumiran Pujari, Chia-Min Chung +1

Motivated by the recent discovery of a macroscopically degenerate exactly solvable point of the spin- model for on the kagome lattice [H. J. Changlani et al…

cond-mat.str-el2018★ 10 cited

Measuring Motional Dynamics of (CH) NH in the Perovskite-Like Metal--Organic Framework [(CH) NH][Zn(HCOO)]: The Value of Low-Frequency Electron Paramagnetic Resonance

Sylvain Bertaina, Nandita Abhyankar, Maylis Orio +1

Dimethylammonium zinc formate (DMAZnF) is the precursor for a large family of multiferroics, materials which display co-existing magnetic and dielectric ordering. However, the mech…

cond-mat.str-el2018★ 25 cited

Importance of electron correlations in understanding the photo-electron spectroscopy and the Weyl character of MoTe

Niraj Aryal, Efstratios Manousakis

We study the role of electron correlations in the presumed type II Weyl semimetallic candidate -MoTe by employing density functional theory (DFT) where the on-site Coulomb r…

cond-mat.str-el2018★ 5 cited

Fermi surface reconstruction and dimensional topology change in Nd-doped CeCoIn

J. Klotz, K. Götze, I. Sheikin +8

We performed low-temperature de Haas-van Alphen (dHvA) effect measurements on a CeNdCoIn series, for x = 0.02, 0.05, 0.1, and 1, down to T = 40 mK using torque magn…

cond-mat.str-el2018★ 3 cited

Evidence for Undoped Weyl Semimetal Charge Transport in

P. G. LaBarre, L. Dong, J. Trinh +2

Weyl fermions scattering from a random Coulomb potential are predicted to exhibit resistivity versus temperature in a single particle model. Here we show t…

cond-mat.str-el2018★ 11 cited

Fragility of the Kondo insulating gap against disorder: relevance to recent puzzles in topological Kondo insulators

Sudeshna Sen, N. S. Vidhyadhiraja, Eduardo Miranda +2

Kondo insulators are strongly correlated system in which a clean insulating gap emerges only at very low temperature due to many-body effects involving localized -electrons. How…

cond-mat.str-el2018★ 8 cited

Observation of a pressure-induced transition from interlayer ferromagnetism to intralayer antiferromagnetism in Sr4Ru3O10

H. Zheng, W. H. Song, J. Terzic +6

Sr4Ru3O10 is a Ruddlesden-Popper compound with triple Ru-O perovskite layers separated by Sr-O alkali layers. This compound presents a rare coexistence of interlayer (c-axis) ferro…

cond-mat.str-el2018★ 1 cited

Effects of chemical disorder in the itinerant antiferromagnet TiVAu

C. -L. Huang, J. M. Santiago, E. Svanidze +3

The fragile nature of itinerant magnetism can be exploited using non-thermal parameters to study quantum criticality. The recently discovered quantum critical point (QCP) in the Sc…

cond-mat.str-el2018★ 1 cited

Quantum Spin Fragmentation in Kagome Ice Ho3Mg2Sb3O14

Zhiling Dun, Xiaojian Bai, Joseph A. M. Paddison +6

A promising route to realize entangled magnetic states combines geometrical frustration with quantum-tunneling effects. Spin-ice materials are canonical examples of frustration, an…

cond-mat.str-el2018★ 31 cited

Dipolar-Octupolar Ising Antiferromagnetism in SmTiO: A Moment Fragmentation Candidate

C. Mauws, A. M. Hallas, G. Sala +14

Over the past two decades, the magnetic ground states of all rare earth titanate pyrochlores have been extensively studied, with the exception of SmTiO. This is, in lar…

cond-mat.str-el2018★ 315 cited

Symmetry, maximally localized Wannier states, and low energy model for the twisted bilayer graphene narrow bands

Jian Kang, Oskar Vafek

We build symmetry adapted maximally localized Wannier states, and construct the low energy tight binding model for the four narrow bands of the twisted bilayer graphene. We do so w…

cond-mat.str-el2018★ 13 cited

Giant Anisotropic Magnetoresistance due to Purely Orbital Rearrangement in the Quadrupolar Heavy Fermion Superconductor PrVAl

Yasuyuki Shimura, Qiu Zhang, Bin Zeng +11

We report the discovery of giant and anisotropic magnetoresistance due to the orbital rearrangement in a non-magnetic correlated metal. In particular, we measured the magnetoresist…

cond-mat.str-el2018★ 9 cited

Spin Canting and Orbital Order in Spinel Vanadate Thin Films

Christie Thompson, Dalmau Reig-i-Plessis, Lazar Kish +5

We report on the epitaxial film growth and characterization of CoVO, a near-itinerant spinel vanadate, grown on (001) SrTiO. The symmetry lowering of the unit cell from…