Stanford University

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

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Showing 2013 · cond-mat.str-elShow all

35 papers · 2 filters

cond-mat.str-el2013★ 63 cited

A Novel High-Pressure Monoclinic Metallic Phase of V2O3

Yang Ding, Cheng-Chien Chen, Qiaoshi Zeng +11

Vanadium sesquioxide, V2O3, is a prototypical metal-to-insulator system where, in temperature-dependent studies, the transition always coincides with a corundum-to-monoclinic struc…

cond-mat.str-el2013★ 95 cited

Non-Fermi liquid behavior of large N_B quantum critical metals

A. Liam Fitzpatrick, Shamit Kachru, Jared Kaplan +1

The problem of continuous quantum phase transitions in metals involves critical bosons coupled to a Fermi surface. We solve the theory in the limit of a large number, N_B, of boson…

cond-mat.str-el2013★ 52 cited

Charge-orbital-lattice coupling effects in the dd-excitation profile of one dimensional cuprates

J. J. Lee, B. Moritz, W. S. Lee +12

We identify dd-excitations in the quasi-one dimensional compound Ca $_{2}$ Y $_{2}$ Cu $_{5}$ O $_{10}$ using resonant inelastic x-ray scattering. By tuning across the Cu L $_{3}$ -edge, we observe…

cond-mat.str-el2013★ 16 cited

Real-Space Visualization of Remnant Mott Gap and Magnon Excitations

Yao Wang, Chunjing Jia, Brian Moritz +1

We demonstrate the ability to visualize real-space dynamics of charge gap and magnon excitations in the Mott phase of the single-band Hubbard model and the remnants of these excita…

cond-mat.str-el2013★ 246 cited

Quenched disorder and vestigial nematicity in the pseudo-gap regime of the cuprates

Laimei Nie, Gilles Tarjus, S. A. Kivelson

We have carried out a theoretical analysis of the Landau-Ginzburg-Wilson effective field theory of a classical incommensurate CDW in the presence of weak quenched disorder. While t…

cond-mat.str-el2013★ 57 cited

Effect of disorder on the resistivity anisotropy near the electronic nematic phase transition in pure and electron-doped BaFe $_{2}$ As $_{2}$

Hsueh-Hui Kuo, Ian R. Fisher

We show that the strain-induced resistivity anisotropy in the tetragonal state of the representative underdoped Fe-arsenides BaFe $_{2}$ As $_{2}$ , Ba(Fe $_{1 - x}$ Co $_{x}$ ) $_{2}$ As $_{2}$ and Ba(F…

cond-mat.str-el2013★ 38 cited

Orbital control of effective dimensionality: from spin-orbital fractionalization to confinement in the anisotropic ladder system CaCu2O3

Valentina Bisogni, Krzysztof Wohlfeld, Satoshi Nishimoto +11

Fractionalization of an electronic quasiparticle into spin, charge and orbital parts is a fundamental and characteristic property of interacting electrons in one dimension. However…

cond-mat.str-el2013★ 753 cited

Recent developments in transport phenomena in Weyl semimetals

Pavan Hosur, Xiaoliang Qi

The last decade has witnessed great advancements in the science and engineering of systems with unconventional band structures, seeded by studies of graphene and topological insula…

cond-mat.str-el2013★ 2 cited

Exact solution for high harmonic generation and the response to an ac driving field for a charge density wave insulator

W. S. Shen, T. P. Devereaux, J. K. Freericks

We develop and exactly solve a model for electrons driven by pulsed or continuous ac fields. The theory includes both the photoexcitation process as well as the subsequent accelera…

cond-mat.str-el2013★ 6 cited

Beyond Planck-Einstein quanta: amplitude driven quantum excitation

Wen Shen, T. P. Devereaux, J. K. Freericks

Linear-response quantum excitation is proportional to the amplitude of the field, with the energy of the excitation given by the driving frequency. As the amplitude is increased, t…

cond-mat.str-el2013★ 20 cited

Anomalous Fermi liquid phase in metallic Skyrmion crystals

Haruki Watanabe, S. A. Parameswaran, S. Raghu +1

In non-centrosymmetric crystals such as MnSi, magnetic order can take the form of a skyrmion crystal (SkX) . In this phase, conduction electrons coupled to the local magnetic momen…

cond-mat.str-el2013★ 10 cited

Possible Scale Invariant Linear Magnetoresistance in Pyrochlore Iridates Bi $_{2}$ Ir $_{2}$ O $_{7}$

Jiun-Haw Chu, Jian Liu, Han Zhang +13

We report the observation of a linear magnetoresistance in single crystals and epitaxial thin films of the pyrochlore iridate Bi $_{2}$ Ir $_{2}$ O $_{7}$ . The linear magnetoresistance is pos…

cond-mat.str-el2013★ 38 cited

Nonequilibrium "melting" of a charge density wave insulator via an ultrafast laser pulse

W. Shen, Yizhi Ge, A. Y. Liu +3

We employ an exact solution of the simplest model for pump-probe time-resolved photoemission spectroscopy in charge-density-wave systems to show how, in nonequilibrium the gap in t…

cond-mat.str-el2013★ 14 cited

Exact solution for Bloch oscillations of a simple charge-density-wave insulator

W. Shen, T. P. Devereaux, J. K. Freericks

Charge-density-wave systems have a static modulation of the electronic charge at low temperatures when they enter an ordered state. While they have been studied for decades in equi…

cond-mat.str-el2013★ 49 cited

Lattice construction of pseudopotential Hamiltonians for Fractional Chern Insulators

Ching Hua Lee, Xiao-Liang Qi

Fractional Chern insulators are new realizations of fractional quantum Hall states in lattice systems without orbital magnetic field. These states can be mapped onto conventional f…

cond-mat.str-el2013★ 23 cited

Topological Invariants and Ground-State Wave Functions of Topological Insulators on a Torus

Zhong Wang, Shou-Cheng Zhang

We define topological invariants in terms of the ground states wave functions on a torus. This approach leads to precisely defined formulas for the Hall conductance in four dimensi…

cond-mat.str-el2013★ 48 cited

Evidence of Chiral Order in the Charge-Ordered Phase of Superconducting La1.875Ba0.125Cuo4 Single Crystals Using Polar Kerr-Effect Measurements

Hovnatan Karapetyan, Jing Xia, M. Hucker +4

High resolution polar Kerr effect (PKE) measurements were performed on La1.875Ba0.125Cuo4 single crystals revealing that a finite Kerr signal is measured below an onset temperature…

cond-mat.str-el2013★ 148 cited

Persistent spin excitations in doped antiferromagnets revealed by resonant inelastic light scattering

C. J. Jia, E. A. Nowadnick, K. Wohlfeld +6

How coherent quasiparticles emerge by doping quantum antiferromagnets is a key question in correlated electron systems, whose resolution is needed to elucidate the phase diagram of…

cond-mat.str-el2013★ 18 cited

Correlations and Renormalization of the Electron-Phonon Coupling in the Honeycomb Hubbard Ladder and Superconductivity in Polyacene

G. Karakonstantakis, L. Liu, R. Thomale +1

We have performed extensive density matrix renormalization group (DMRG) studies of the Hubbard model on a honeycomb ladder. The band structure (with Hubbard U=0) exhibits an unusua…

cond-mat.str-el2013★ 95 cited

Interfacial Ferromagnetism in LaNiO3/CaMnO3 Superlattices

A. J. Grutter, H. Yang, B. J. Kirby +8

We observe interfacial ferromagnetism in superlattices of the paramagnetic metal LaNiO3 and the antiferromagnetic insulator CaMnO3. LaNiO3 exhibits a thickness dependent metal-insu…

cond-mat.str-el2013★ 31 cited

Orbital superexchange and crystal field simultaneously at play in YVO3: resonant inelastic x-ray scattering at the V L edge and the O K edge

E. Benckiser, L. Fels, G. Ghiringhelli +11

We report on the observation of orbital excitations in YVO3 by means of resonant inelastic x-ray scattering (RIXS) at energies across the vanadium L3 and oxygen K absorption edges.…

cond-mat.str-el2013★ 52 cited

Microscopic origin of spin-orbital separation in Sr2CuO3

Krzysztof Wohlfeld, Satoshi Nishimoto, Maurits W. Haverkort +1

Recently performed resonant inelastic x-ray scattering experiment (RIXS) at the copper L3 edge in the quasi-1D Mott insulator Sr2CuO3 has revealed a significant dispersion of a sin…

cond-mat.str-el2013★ 103 cited

Non-Fermi liquid fixed point in a Wilsonian theory of quantum critical metals