activity
20112023
most citedDirac fermions and flat bands in the ideal kagome metal FeSn

698 citations · 2.5k across the 43 of their papers we have counts for

collaborators

43 papers

cond-mat.mtrl-sci2023★ 5 cited

Unconventional quantum oscillations and evidence of nonparabolic electronic states in quasi-two-dimensional electron system at complex oxide interfaces

Km Rubi, Denis R. Candido, Manish Dumen +10

The simultaneous occurrence of electric-field controlled superconductivity and spin-orbit interaction makes two-dimensional electron systems (2DES) constructed from perovskite tran…

cond-mat.str-el2023★ 1 cited

Thermodynamic evidence for electron correlation-driven flattening of the quasiparticle bands in the high-Tc cuprates

Neil Harrison, Mun K. Chan

A flattened electronic band is one of several possible routes for increasing the strength of the pairing interactions in a superconductor. With this in mind, we show here that ther…

cond-mat.str-el2023

The Reverse Quantum Limit: Implications for Unconventional Quantum Oscillations in YbB

Christopher A. Mizzi, Satya K. Kushwaha, Priscila F. S. Rosa +6

Beyond the quantum limit, many-body effects are expected to induce unusual electronic phase transitions. Materials possessing metallic ground states with strong interactions betwee…

cond-mat.supr-con2022

High-field and high-temperature magnetoresistance reveals the superconducting behaviour of the stacking faults in multilayer graphene

Christian E. Precker, José Barzola-Quiquia, Mun K. Chan +2

In spite of 40 years of experimental studies and several theoretical proposals, an overall interpretation of the complex behavior of the magnetoresistance (MR) of multilayer graphe…

cond-mat.str-el2022

Energy-scale competition in the Hall resistivity of a strange metal

A. Shekhter, K. A. Modic, L. E. Winter +9

Anomalous transport behavior -- both longitudinal and Hall -- is the defining characteristic of the strange-metal state of High-Tc cuprates. The temperature, frequency, and magneti…

cond-mat.mtrl-sci2022★ 1 cited

Field-dependent Shubnikov-de Haas oscillations in ferromagnetic Weyl semimetal Co3Sn2S2

Linda Ye, Jorge I. Facio, Madhav P. Ghimire +6

We report a study of Shubnikov-de Haas oscillations in high quality single crystals of ferromagnetic Weyl semimetal CoSnS. The Fermi surfaces resolved in our experiment…

cond-mat.supr-con2021★ 1 cited

Plastic vortex creep and dimensional crossovers in the highly anisotropic superconductor HgBaCuO

Haley M. Cole, Michael B. Venuti, Brian Gorman +3

In type-II superconductors exposed to magnetic fields between upper and lower critical values, and , penetrating magnetic flux forms a lattice of vortices whose mo…

cond-mat.supr-con2021★ 25 cited

Magic gap ratio for optimally robust fermionic condensation and its implications for high-Tc superconductivity

N. Harrison, M. K. Chan

Bardeen-Schrieffer-Cooper (BCS) and Bose-Einstein condensation (BEC) occur at opposite limits of a continuum of pairing interaction strength between fermions. A crossover between t…

cond-mat.supr-con2021★ 16 cited

Unconventional quantum vortex matter state hosts quantum oscillations in the underdoped high-temperature cuprate superconductors

Yu-Te Hsu, Máté Hartstein, Alexander J. Davies +15

A central question in the underdoped cuprates pertains to the nature of the pseudogap ground state. A conventional metallic ground state of the pseudogap region has been argued to…

cond-mat.str-el2020★ 2 cited

Strange Metallic Transport in the Antiferromagnetic Regime of Electron Doped Cuprates

Tarapada Sarkar, Nicholas R Poniatowski, Joshua S. Higgins +3

We report magnetoresistance and Hall Effect results for electron-doped films of the high-temperature superconductor LaCeCuO (LCCO) for temperatures from 0.7 to 45 K…

cond-mat.str-el2020

Colossal magnetoresistance in a nonsymmorphic antiferromagnetic insulator

P. F. S. Rosa, Yuanfeng Xu, S. K. Kushwaha +14

Here we investigate antiferromagnetic EuInSb, a nonsymmorphic Zintl phase. Our electrical transport data show that EuInSb is remarkably insulati…

cond-mat.supr-con2020★ 10 cited

Hard antinodal gap revealed by quantum oscillations in the pseudogap regime of underdoped high- superconductors

Mate Hartstein, Yu-Te Hsu, Kimberly A. Modic +12

An understanding of the missing antinodal electronic excitations in the pseudogap state is essential for uncovering the physics of the underdoped cuprate high temperature supercond…

cond-mat.str-el2020★ 47 cited

Scale-invariant magnetic anisotropy in RuCl at high magnetic fields

K. A. Modic, Ross D. McDonald, J. P. C. Ruff +13

In RuCl, inelastic neutron scattering and Raman spectroscopy reveal a continuum of non-spin-wave excitations that persists to high temperature, suggesting the presence of a spi…

cond-mat.supr-con2020★ 19 cited

Extent of Fermi-surface reconstruction in the high-temperature superconductor HgBaCuO

Mun K. Chan, Ross D. McDonald, Brad J. Ramshaw +4

High magnetic fields have revealed a surprisingly small Fermi-surface in underdoped cuprates, possibly resulting from Fermi-surface reconstruction due to an order parameter that br…

cond-mat.str-el2020★ 28 cited

Magnetic breakdown and charge density wave formation: a quantum oscillation study of the rare-earth tritellurides

P. Walmsley, S. Aeschlimann, J. A. W. Straquadine +5

The rare-earth tritellurides (Te, where = La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Tm, Y) form a charge density wave state consisting of a single unidirectional charge de…

cond-mat.str-el2019★ 21 cited

The strange metal Hall effect connects quantum criticality and superconductivity in an iron-based superconductor

Ian M. Hayes, Nikola Maksimovic, Mun K. Chan +4

Many unconventional superconductors exhibit a common set of anomalous charge transport properties that characterize them as `strange metals', which provides hope that there is sing…

cond-mat.str-el2019★ 3 cited

Record-Breaking Magnetoresistance at the Edge of a Microflake of Natural Graphite

Christian E. Precker, Jose Barzola-Quiquia, Pablo D. Esquinazi +5

Placing several electrodes at the edge of a micrometer-size Sri Lankan natural graphite sample at distances comparable to the size of the internal crystalline regions, we found rec…

cond-mat.supr-con2019★ 22 cited

Vortex phases and glassy dynamics in the highly anisotropic superconductor HgBaCuO

Serena Eley, Roland Willa, Mun K. Chan +2

We present an extensive study of vortex dynamics in a high-quality single crystal of HgBaCuO (Hg1201), a highly anisotropic superconductor that is a model system for st…

cond-mat.str-el2019★ 698 cited

Dirac fermions and flat bands in the ideal kagome metal FeSn

Mingu Kang, Linda Ye, Shiang Fang +19

The kagome lattice based on 3d transition metals is a versatile platform for novel topological phases hosting symmetry-protected electronic excitations and exotic magnetic ground s…

cond-mat.str-el2019★ 26 cited

Magnetic field-tuned quantum criticality in a Kondo insulator

Satya K. Kushwaha, Mun K. Chan, Joonbum Park +6

Kondo insulators are predicted to undergo an insulator-to-metal transition under applied magnetic field, yet the extremely high fields required to date have prohibited a comprehens…

cond-mat.str-el2019★ 1 cited

Scale-Invariance of a Spin Liquid in High Magnetic Fields

K. A. Modic, Ross D. McDonald, J. P. C. Ruff +13

In RuCl, inelastic neutron scattering and Raman spectroscopy reveal a continuum of non-spin-wave excitations that persists to high temperature, suggesting the presence of a spi…

cond-mat.mtrl-sci2018★ 2 cited

A sharp increase in the density of states in PbTe approaching a saddle point in the band structure

P. Walmsley, D. M. Abrams, J. Straquadine +4

PbTe is a leading mid-range thermoelectric material with a that has been enhanced by, amongst other methods, band engineering. Here we present an experimental study of the Hal…

cond-mat.str-el2018

de Haas-van Alphen effect of correlated Dirac states in kagome metal Fe3Sn2

Linda Ye, Mun K. Chan, Ross D. McDonald +7

The field of topological electronic materials has seen rapid growth in recent years, in particular with the increasing number of weakly interacting systems predicted and observed t…

cond-mat.supr-con2018★ 44 cited

Correlation between scale-invariant normal state resistivity and superconductivity in an electron-doped cuprate

Tarapada Sarkar, P. R. Mandal, N. R. Poniatowski +2

An understanding of the normal state in the high-temperature superconducting cuprates is crucial to the ultimate understanding of the long-standing problem of the origin of the sup…