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Showing 2018 · cond-mat.str-elShow all

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cond-mat.str-el2018★ 3 cited

Global phase diagram of a spin-orbit-coupled Kondo lattice model on the honeycomb lattice

Xin Li, Rong Yu, Qimiao Si

Motivated by the growing interest in the novel quantum phases in materials with strong electron correlations and spin-orbit coupling, we study the interplay between the spin-orbit…

cond-mat.str-el2018★ 28 cited

Magnetotransport in Fe-intercalated \textit{T}S: the comparison between \textit{T} = Ti and Ta

Jesse Choe, Kyungmin Lee, C. -L. Huang +2

Sharp magnetization switching and large magnetoresistance were previously discovered in single crystals of 2H-FeTaS and attributed to the Fe superstructure and its defects.…

cond-mat.str-el2018★ 16 cited

Multidimensional entropy landscape of quantum criticality

K. Grube, S. Zaum, O. Stockert +2

The Third Law of Thermodynamics states that the entropy of any system in equilibrium has to vanish at absolute zero temperature. At nonzero temperatures, on the other hand, matter…

cond-mat.str-el2018★ 128 cited

Giant spontaneous Hall effect in a nonmagnetic Weyl-Kondo semimetal

Sami Dzsaber, Xinlin Yan, Mathieu Taupin +9

Nontrivial topology in condensed matter systems enriches quantum states of matter, to go beyond either the classification into metals and insulators in terms of conventional band t…

cond-mat.str-el2018★ 9 cited

Numerical linked-cluster expansions for disordered lattice models

Michael Mulanix, Demetrius Almada, Ehsan Khatami

Imperfections in correlated materials can alter their ground state as well as finite-temperature properties in significant ways. Here, we develop a method based on numerical linked…

cond-mat.str-el2018★ 4 cited

Local Density of States induced near Impurities in Mott Insulators

Wenxin Ding, Qimiao Si

The local density of states near dopants or impurities has recently been probed by scanning tunneling microscopy in both the parent and very lightly doped compounds of the high-$T_…

cond-mat.str-el2018★ 83 cited

Singular charge fluctuations at a magnetic quantum critical point

L. Prochaska, X. Li, D. C. MacFarland +12

Strange metal behavior is ubiquitous to correlated materials ranging from cuprate superconductors to bilayer graphene. There is increasing recognition that it arises from physics b…

cond-mat.str-el2018★ 339 cited

Topological spin excitations in honeycomb ferromagnet CrI

Lebing Chen, Jae-Ho Chung, Bin Gao +5

In two dimensional honeycomb ferromagnets, bosonic magnon quasiparticles (spin waves) may either behave as massless Dirac fermions or form topologically protected edge states. The…

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★ 32 cited

Crystalline electric field of Ce in trigonal symmetry: CeIr3Ge7 as a model case

Jacintha Banda, Binod K. Rai, Helge Rosner +3

The crystalline electric field (CEF) of Ce3+ in trigonal symmetry has recently become of some relevance, for instance, in the search of frustrated magnetic systems. Fortunately, it…

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★ 14 cited

Dynamic spin-lattice coupling and nematic fluctuations in NaFeAs

Yu Li, 1 Zahra Yamani, 2 Yu Song +14

We use inelastic neutron scattering to study acoustic phonons and spin excitations in single crystals of NaFeAs, a parent compound of iron pnictide superconductors. NaFeAs exhibits…

cond-mat.str-el2018★ 39 cited

Orbital-selective superconductivity in the nematic phase of FeSe

Haoyu Hu, Rong Yu, Emilian M. Nica +2

The interplay between electronic orders and superconductivity is central to the physics of unconventional superconductors, and is particularly pronounced in the iron-based supercon…

cond-mat.str-el2018★ 11 cited

Low-carrier density and fragile magnetism in a Kondo lattice system

Binod K. Rai, Iain W. H. Oswald, Wenjing Ban +17

Kondo-based semimetals and semiconductors are of extensive current interest as a viable platform for strongly correlated states. It is thus important to understand the routes towar…

cond-mat.str-el2018★ 13 cited

CeIrGe: a local moment antiferromagnetic metal with extremely low ordering temperature

Binod K. Rai, Jacintha Banda, Macy Stavinoha +9

CeIrGe is an antiferromagnetic metal with a remarkably low ordering temperature = 0.63 K, while most Ce-based magnets order between 2 and 15 K. Thermodynamic an…

cond-mat.str-el2018★ 35 cited

Charge density wave behavior and order-disorder in the antiferromagnetic metallic series Eu(Ga_1-xAl_x)_4

Macy Stavinoha, Joya A. Cooley, Stefan G. Minasian +4

The solid solution Eu(Ga_1-xAl_x)_4 was grown in single crystal form to reveal a rich variety of crystallographic, magnetic, and electronic properties that differ from the isostruc…

cond-mat.str-el2018★ 18 cited

Anomalous metamagnetism in the low carrier density Kondo lattice YbRh3Si7

Binod K. Rai, S. Chikara, Xiaxin Ding +25

We report complex metamagnetic transitions in single crystals of the new low carrier Kondo antiferromagnet YbRh3Si7. Electrical transport, magnetization, and specific heat measurem…

cond-mat.str-el2018★ 33 cited

Crossovers and critical scaling in the one-dimensional transverse-field Ising model

Jianda Wu, Lijun Zhu, Qimiao Si

We consider the scaling behavior of thermodynamic quantities in the one-dimensional transverse-field Ising model near its quantum critical point (QCP). Our study has been motivated…

cond-mat.str-el2018★ 15 cited

Kondo hybridization and quantum criticality in -YbAlB by laser-ARPES

C. Bareille, S. Suzuki, M. Nakayama +6

We report an angle-resolved photoemission (ARPES) study of -YbAlB, which is known to harbor unconventional quantum criticality (QC) without any tuning. We directly observe a…

cond-mat.str-el2018★ 1 cited

Low frequency spin dynamics in XY quantum spin ice YbPtO

S. K. Takahashi, A. Arsenault, C. Mauws +7

The XY pyrochlore YbTiO, with pseudo spin 1/2 at the Yb site, has been celebrated as potential host for the quantum spin ice state. The substitution of non-magne…