Center for Nanophase Materials Sciences

output

20052026

most citedRealization of an all-dielectric zero-index optical metamaterial

714 citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

Showing cond-mat.str-elShow all

49 papers · 1 filter

cond-mat.str-el2020★ 30 cited

Exact resummation of the Holstein-Primakoff expansion and differential equation approach to operator square-roots

Michael Vogl, Pontus Laurell, Hao Zhang +2

Operator square-roots are ubiquitous in theoretical physics. They appear, for example, in the Holstein-Primakoff representation of spin operators and in the Klein-Gordon equation.…

cond-mat.str-el2020★ 50 cited

Van Hove singularity in the magnon spectrum of the antiferromagnetic quantum honeycomb lattice

G. Sala, M. B. Stone, Binod K. Rai +12

The magnetic excitation spectrum of the quantum magnet YbCl $_{3}$ is studied with inelastic neutron scattering. The spectrum exhibits an unusually sharp feature within a broad contin…

cond-mat.str-el2020★ 14 cited

BCS-BEC crossover in a $(t_{2 g})^{4}$ Excitonic Magnet

Nitin Kaushal, Rahul Soni, Alberto Nocera +2

The condensation of spin-orbit-induced excitons in $(t_{2 g})^{4}$ electronic systems is attracting considerable attention. In the large Hubbard U limit, antiferromagnetism was propos…

cond-mat.str-el2020★ 37 cited

Doped NiO: the Mottness of a charge transfer insulator

Friederike Wrobel, Hyowon Park, Changhee Sohn +9

The evolution of the electronic structures of strongly correlated insulators with doping has long been a central fundamental question in condensed matter physics; it is also of gre…

cond-mat.str-el2020★ 20 cited

Emergence of Superconductivity in Doped Multiorbital Hubbard Chains

Niravkumar D. Patel, Nitin Kaushal, Alberto Nocera +2

We introduce a variational state for one-dimensional two-orbital Hubbard models that intuitively explains the recent computational discovery of pairing in these systems when hole d…

cond-mat.str-el2019★ 29 cited

Block-spiral magnetism: An exotic type of frustrated order

J. Herbrych, J. Heverhagen, G. Alvarez +3

Competing interactions in Quantum Materials induce novel states of matter such as frustrated magnets, an extensive field of research both from the theoretical and experimental pers…

cond-mat.str-el2019★ 13 cited

Aspects of the Normal State Resistivity of Cuprate Superconductors

B Sriram Shastry, Peizhi Mai

Planar normal state resistivity data taken from three families of cuprate superconductors are compared with theoretical calculations from the recent extremely correlated Fermi liqu…

cond-mat.str-el2019★ 14 cited

Momentum-space entanglement after a quench in one-dimensional disordered fermionic systems

Rex Lundgren, Fangli Liu, Pontus Laurell +1

We numerically investigate the momentum-space entanglement entropy and entanglement spectrum of the random-dimer model and its generalizations, which circumvent Anderson localizati…

cond-mat.str-el2019★ 69 cited

Magnetic anisotropy in single crystal high entropy perovskite oxide La(Cr0.2Mn0.2Fe0.2Co0.2Ni0.2)O3 films

Yogesh Sharma, Qiang Zheng, Alessandro R. Mazza +9

Local configurational disorder can have a dominating role in the formation of macroscopic functional responses in strongly correlated materials. Here, we use entropy-stabilization…

cond-mat.str-el2019★ 2 cited

Theory of anisotropic elastoresistivity of two-dimensional extremely strongly correlated metals

Michael Arciniaga, Peizhi Mai, B Sriram Shastry

There is considerable recent interest in the phenomenon of anisotropic electroresistivity of correlated metals. While some interesting work has been done on the iron-based supercon…

cond-mat.str-el2019★ 7 cited

Two-particle Correlation Functions in Cluster Perturbation Theory: Hubbard Spin Susceptibilities

P. T. Raum, G. Alvarez, Thomas Maier +1

Cluster Perturbation Theory (CPT) is a computationally economic method commonly used to estimate the momentum and energy resolved single-particle Green's function. It has been used…

cond-mat.str-el2019★ 82 cited

Dynamical and thermal magnetic properties of the Kitaev spin liquid candidate $α$ -RuCl $_{3}$

Pontus Laurell, Satoshi Okamoto

What is the correct low-energy spin Hamiltonian description of $α$ -RuCl $_{3}$ ? The material is a promising Kitaev spin liquid candidate, but is also known to order magnetically, the…

cond-mat.str-el2019★ 50 cited

Deriving models for the Kitaev spin-liquid candidate material $α$ -RuCl $_{3}$ from first principles

Casey Eichstaedt, Yi Zhang, Pontus Laurell +3

We use the constrained random phase approximation (cRPA) to derive from first principles the Ru- $t_{2 g}$ Wannier function based model for the Kitaev spin-liquid candidate material…

cond-mat.str-el2018★ 40 cited

Novel Magnetic Block States in Low-Dimensional Iron-Based Superconductors

J. Herbrych, J. Heverhagen, N. D. Patel +4

Inelastic neutron scattering recently confirmed the theoretical prediction of a $↑↑↓↓$ -magnetic state along the legs of quasi-one-dimensional (quasi…

cond-mat.str-el2018★ 30 cited

Decoupling carrier concentration and electron-phonon coupling in oxide heterostructures observed with resonant inelastic x-ray scattering

D. Meyers, Ken Nakatsukasa, Sai Mu +19

We report the observation of multiple phonon satellite features in ultra thin superlattices of form $n$ SrIrO $_{3}$ / $m$ SrTiO $_{3}$ using resonant inelastic x-ray scattering. As the valu…

cond-mat.str-el2018★ 12 cited

Lattice distortion in the spin-orbital entangled state in RVO3 perovskites

J. -Q. Yan, W. Tian, H. B. Cao +10

We report a thorough study of Y $_{0.7}$ La $_{0.3}$ VO $_{3}$ single crystals by measuring magnetic properties, specific heat, thermal conductivity, x-ray and neutron diffraction with th…

cond-mat.str-el2018★ 40 cited

Fingerprints of an Exotic Orbital-Selective Mott Phase in the Block Magnetic State of BaFe $_{2}$ Se $_{3}$ Ladders

Niravkumar D. Patel, Alberto Nocera, Gonzalo Alvarez +3

Resonant Inelastic X-Ray Scattering (RIXS) experiments on the iron-based ladder BaFe $_{2}$ Se $_{3}$ unveiled an unexpected two-peak structure associated with local orbital ( $dd$ ) excita…

cond-mat.str-el2018★ 11 cited

Phase competition in a one-dimensional three-orbital Hubbard-Holstein model

Shaozhi Li, Yanfei Tang, Thomas A. Maier +1

We study the interplay between the electron-phonon (e-ph) and on-site electron-electron (e-e) interactions in a three-orbital Hubbard-Holstein model on an extended one-dimensional…

cond-mat.str-el2018★ 46 cited

Spin dynamics of the block orbital-selective Mott phase

J. Herbrych, N. Kaushal, A. Nocera +3

Iron-based superconductors display a variety of magnetic phases originating in the competition between electronic, orbital, and spin degrees of freedom. Previous theoretical invest…

cond-mat.str-el2018★ 30 cited

Computing Resonant Inelastic X-Ray Scattering Spectra Using The Density Matrix Renormalization Group Method

A. Nocera, U. Kumar, N. Kaushal +3

We present a method for computing resonant inelastic x-ray scattering (RIXS) spectra in one-dimensional systems using the density matrix renormalization group (DMRG) method. By usi…

cond-mat.str-el2018★ 21 cited

Doping evolution of charge and spin excitations in two-leg Hubbard ladders: comparing DMRG and RPA+FLEX results

A. Nocera, Y. Wang, N. D. Patel +4

We study the magnetic and charge dynamical response of a Hubbard model in a two-leg ladder geometry using the density matrix renormalization group (DMRG) method and the random phas…

cond-mat.str-el2018★ 28 cited

Accuracy of the microcanonical Lanczos method to compute real-frequency dynamical spectral functions of quantum models at finite temperatures

Satoshi Okamoto, Gonzalo Alvarez, Elbio Dagotto +1

We examine the accuracy of the microcanonical Lanczos method (MCLM) developed by Long, {\it et al.} [Phys. Rev. B {\bf 68}, 235106 (2003)] to compute dynamical spectral functions o…

cond-mat.str-el2016★ 41 cited

Magnetic properties and pairing tendencies of the iron-based superconducting ladder BaFe $_{2}$ S $_{3}$ : combined ab initio and density matrix renormalization group study