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We study striped morphologies induced by magnetic impurities in d-wave superconductors (DSCs) near optimal doping by self-consistently solving the Bogoliubov-de Gennes equations based on the $t-t^{\prime }-U-V$ model. For the single…

Superconductivity · Physics 2015-05-20 Xian-Jun Zuo

By solving self-consistently an effective Hamiltonian including interactions for both antiferromagnetic spin-density wave (SDW) and d-wave superconducting (DSC) orderings, a comparison study is made for the local magnetic structure around…

Superconductivity · Physics 2009-11-07 Jian-Xin Zhu , Ivar Martin , A. R. Bishop

In the theory of dilute magnetic impurities in superconductors, the effect of all impurity spin-components is expressed via a single magnetic scattering rate $\Gamma_\mathrm{m}$. In a more realistic setting, magnetic impurities are…

Superconductivity · Physics 2020-08-05 David Möckli , Menashe Haim , Maxim Khodas

Charge stripes have been widely observed in many different types of unconventional superconductors, holding varying periods ($\mathcal{P}$) and intensities. However, a general understanding on the interplay between charge stripes and…

Strongly Correlated Electrons · Physics 2024-12-10 Chao Chen , Peigeng Zhong , Xuelei Sui , Runyu Ma , Ying Liang , Shijie Hu , Tianxing Ma , Hai-Qing Lin , Bing Huang

Stripe phases are observed experimentally in several copper-based high-Tc superconductors near 1/8 hole doping. However, the specific characteristics may vary depending on the degree of dopant disorder and the presence or absence of a low-…

Superconductivity · Physics 2013-08-23 Markus Schmid , Florian Loder , Arno P. Kampf , Thilo Kopp

Stripe phases, in which the rotational symmetry of charge density is spontaneously broken, occur in many strongly correlated systems with competing interactions. One representative example is the copper-oxide superconductors, where stripe…

Mesoscale and Nanoscale Physics · Physics 2021-07-21 Chenhao Jin , Zui Tao , Tingxin Li , Yang Xu , Yanhao Tang , Jiacheng Zhu , Song Liu , Kenji Watanabe , Takashi Taniguchi , James C. Hone , Liang Fu , Jie Shan , Kin Fai Mak

We consider the influence of planar ``magnetic" imperfections which destroy the local magnetic order, such as Zn impurities or $Cu^{2+}$ vacancies, on the low temperature properties of the cuprate superconductors. In the unitary limit, at…

Condensed Matter · Physics 2009-10-22 A. V. Balatsky , P. Monthoux , D. Pines

Striped superconductivity with lattice distortions is investigated based on the three-band Hubbard model for high-Tc cuprates. A stable inhomogeneous striped state is determined in the low-temperature tetragonal (LTT) phase with lattice…

Strongly Correlated Electrons · Physics 2009-11-10 Takashi Yanagisawa , Mitake Miyazaki , Shigeru Koikegami , Soh Koike , Kunihiko Yamaji

A phenomenological model defined in a two dimensional lattice is employed to investigate the d-wave superconductivity and the competing antiferromagnetic order in cuprate superconductors. Near the optimally doped regime, we show that it is…

Superconductivity · Physics 2009-11-10 Hong-Yi Chen , C. S. Ting

Patterning graphene with a spatially-periodic potential provides a powerful means to modify its electronic properties. Dramatic effects have been demonstrated in twisted bilayers where coupling to the resulting moir\'e-superlattice yields…

Mesoscale and Nanoscale Physics · Physics 2021-06-09 Yutao Li , Scott Dietrich , Carlos Forsythe , Takashi Taniguchi , Kenji Watanabe , Pilkyung Moon , Cory R. Dean

Recent experimental and theoretical studies have highlighted the possible role of a electronic nematic liquid in underdoped cuprate superconductors. We calculate, within a model of d-wave superconductor with Hubbard correlations, the spin…

Superconductivity · Physics 2012-10-12 Brian M. Andersen , Siegfried Graser , P. J. Hirschfeld

Spontaneously formed equilibrium nanopatterns with long-range order are widely observed in a variety of systems, but their pronounced temperature dependence remains an impediment to maintain such patterns away from the temperature of…

Mesoscale and Nanoscale Physics · Physics 2011-05-02 T. O. Menteş , N. Stojić , A. Locatelli , L. Aballe , N. Binggeli , M. A. Niño , M. Kiskinova , E. Bauer

Stripe domains are studied in perpendicular magnetic anisotropy films nanostructured with a periodic thickness modulation that induces the lateral modulation of both stripe periods and inplane magnetization. The resulting system is the 2D…

The emergence of transient checkerboard and stripe patterns in a stack of driven quasi-one-dimensional homogeneous dipolar condensates is studied. The parametric driving of the $s$-wave scattering length leads to the excitation of the…

Quantum Gases · Physics 2024-03-29 Shreyas Nadiger , Sandra M. Jose , Ratheejit Ghosh , Inderpreet Kaur , Rejish Nath

We describe effects of anisotropy caused by the crystal lattice in d-wave superconductors with s-wave mixing using the effective free energy approach. Only the d-wave order parameter field $d$ is introduced, while the effect of the s wave…

Superconductivity · Physics 2009-10-30 D. Chang , C. -Y. Mou , B. Rosenstein , C. L. Wu

Recent spectroscopic observations of a d-wave-like gap in stripe-ordered La(2-x)Ba(x)CuO(4) with x=1/8 have led us to critically analyze the anisotropic transport and magnetization properties of this material. The data suggest that…

Superconductivity · Physics 2007-08-07 Q. Li , M. Huecker , G. D. Gu , A. M. Tsvelik , J. M. Tranquada

We study the dynamical spin susceptibility of a correlated d-wave superconductor (dSC) in the presence of disorder, using an unrestricted Hartree-Fock approach. This model provides a concrete realization of the notion that disorder slows…

Superconductivity · Physics 2010-10-01 Brian M. Andersen , Siegfried Graser , P. J. Hirschfeld

Structural distortions in cuprate materials give a natural origin for anisotropies in electron properties. We study a modified one-band t-J model in which we allow for different hoppings and antiferromagnetic couplings in the two spatial…

Strongly Correlated Electrons · Physics 2016-08-31 Federico Becca , Luca Capriotti , Sandro Sorella

Granularity, anisotropy, local lattice distortions and their dependence on dopant concentration appear to be present in all cuprate superconductors, interwoven with the microscopic mechanisms responsible for superconductivity. Here we…

Superconductivity · Physics 2007-05-23 H. Keller , T. Schneider

We consider the interplay between superconducting coupling and dopant impurity scattering of charge carriers in planar square lattice systems and examine physical conditions (doping level, temperature, local symmetry of coupling and…

Superconductivity · Physics 2009-11-07 V. M. Loktev , Yu. G. Pogorelov
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