activity
20202026
most citedNature of Protected Zero Energy States in Penrose Quasicrystals

25 citations · 69 across the 13 of their papers we have counts for

collaborators

13 papers

cond-mat.str-el2026

Electron vs. hole doping in infinite-layer nickelates: electronic structure, magnetism and correlations

Ezra Day-Roberts, Fabio Bernardini, Harrison LaBollita +3

The observation of superconductivity in undoped infinite-layer nickelates NiO ( = rare earth) challenges our current understanding and calls for a re-examination of the u…

cond-mat.str-el2026

Evidence for ferroaxial order in 1T-TiSe via elastoresistivity measurements

Qianni Jiang, Ezra Day-Roberts, Benito Gonzalez +5

The study of spontaneous symmetry breaking and electronic order is fundamental in condensed matter physics. Hidden order, symmetry-breaking states that elude conventional probes, p…

cond-mat.str-el2026

Tuning the magnetic properties of Kitaev materials via the antiferromagnetic proximity effect: Novel phases and application to an -RuCl/MnPS bilayer

Pedro M. Cônsoli, Ezra Day-Roberts, Johannes Knolle +2

In recent years, the increasing level of control over van der Waals (vdW) heterostructures has opened new routes to tune the properties of quantum materials. Motivated by these dev…

cond-mat.str-el2026★ 2 cited

Electronic layer decoupling driven by density-wave order in LaNiO

Ziqiang Guan, Sophia F. R. TenHuisen, M. Tepie +14

We probe the density-wave transition of the trilayer nickelate LaNiO with polarization-resolved infrared spectroscopy. The low-energy electrodynamics is strongly ani…

cond-mat.mtrl-sci2026★ 1 cited

An altermagnetic materials library in intercalated transition-metal dichalcogenides

Ezra Day-Roberts, Huan Wu, Onur Erten +1

Altermagnets represent a promising class of magnetic materials owing to their distinctive spin-split band structures in the absence of net magnetization. Here, we present a first-p…

cond-mat.str-el2025

Tuning entanglement phases and topological memory in the measurement-only Kitaev model with single and multi-qubit checks

Tushya Kalpada, Aayush Vijayvargia, Ezra Day-Roberts +1

Quantum circuits provide an emerging controllable platform to realize novel dynamical non-equilibrium phases including topologically ordered states. The Kitaev model has become a c…

quant-ph2025

Error stabilized logical qubits in qudit generalizations of the monitored Kitaev model

Aayush Vijayvargia, Ezra Day-Roberts, Onur Erten

Monitored dynamics in quantum circuits provide tunable platforms for the realization of novel non-equilibrium phases. Motivated by recent advances in monitored Kitaev circuits, we…

cond-mat.str-el2025

Altermagnets with topological order in Kitaev bilayers

Aayush Vijayvargia, Ezra Day-Roberts, Antia S. Botana +1

Building on recent advancements in altermagnetism, we develop a highly-frustrated magnetic model with Kitaev-like interactions that integrates key aspects of both quantum spin liqu…

cond-mat.mtrl-sci2024★ 7 cited

Piezoresistivity as a Fingerprint of Ferroaxial Transitions

Ezra Day-Roberts, Rafael M. Fernandes, Turan Birol

Recent progress in the understanding of the collective behavior of electrons and ions have revealed new types of ferroic orders beyond ferroelectricity and ferromagnetism, such as…

cond-mat.str-el2022★ 8 cited

Gating-Induced Mott Transition in NiS

Ezra Day-Roberts, Rafael M. Fernandes, Turan Birol

NiS has been widely regarded as a model system to study the bandwidth-controlled Mott transition, as enabled by isovalent Se chemical substitution on the S sites. Motivated by…

cond-mat.supr-con2021★ 15 cited

Robust Gapless Superconductivity in 4Hb-TaS

David Dentelski, Ezra Day-Roberts, Turan Birol +2

The superconducting TMD 4Hb-TaS consists of alternating layers of H and T structures, which in their bulk form are metallic and Mott-insulating, respectively. Recently, this co…

cond-mat.str-el2020★ 25 cited

Nature of Protected Zero Energy States in Penrose Quasicrystals

Ezra Day-Roberts, Rafael M. Fernandes, Alex Kamenev

The electronic spectrum of the Penrose rhombus quasicrystal exhibits a macroscopic fraction of exactly degenerate zero energy states. In contrast to other bipartite quasicrystals,…

cond-mat.mtrl-sci2020★ 11 cited

Contrasting Ferromagnetism in Pyrite FeS Induced by Chemical Doping versus Electrostatic Gating

Ezra Day-Roberts, Turan Birol, Rafael M. Fernandes

Recent advances in electrostatic gating provide a novel way to modify the carrier concentration in materials via electrostatic means instead of chemical doping, thus minimizing the…