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Related papers: Twin boundaries in d-wave superconductors

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Within the BCS framework a multiband model with d-wave symmetry is considered. Generalized Fermi surface topologies via band overlapping are introduced. The band overlap scale is of the order of the Debye energy. The order parameters and…

We study the proximity-induced superconductivity effect in a double-stranded DNA by solving the Bogoliubov-de Gennes equations and taking into account the effect of thermal fluctuations of the twist angle between neighboring base pairs. We…

Mesoscale and Nanoscale Physics · Physics 2025-08-19 Hamidreza Simchi , Mahdi Esmaeilzadeh , Hossein Mazidabadi

We study s-wave superconductivity in the two-dimensional square lattice attractive Hubbard Hamiltonian for various inhomogeneous patterns of interacting sites. Using the Bogoliubov-de Gennes (BdG) mean field approximation, we obtain the…

Superconductivity · Physics 2009-11-13 K. Aryanpour , T. Paiva , W. E. Pickett , R. T. Scalettar

The high mechanical strength and excellent flexibility of 2D materials such as graphene are some of their most important properties [1]. Good flexibility is key for exploiting 2D materials in many emerging technologies, such as wearable…

Mesoscale and Nanoscale Physics · Physics 2018-09-05 A. P. Rooney , Z. Li , W. Zhao , A. Gholinia , A. Kosikov , G. Auton , F. Ding , R. V. Gorbachev , R. J. Young , S. J Haigh

The spatial variations of the pair amplitude, and the local density of states in d-wave or s-wave superconductor-ferromagnet hybrid structures are calculated self consistently using the Bogoliubov-deGennes formalism within the two…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 N. Stefanakis , R. Mélin

We study suppression of superconductivity by disorder in d-wave superconductors, and predict the existence of (at least) two sequential low temperature transitions as a function of increasing disorder: a d -wave to -wave, and then an s-wave…

Superconductivity · Physics 2009-11-13 B. Spivak , P. Oreto , S. A. Kivelson

We study the effect of disorder symmetry in a disordered s-wave superconductor. We begin with an attractive Hubbard model on a two-dimensional square lattice in the presence of diagonal- and off-diagonal disorder. The model is studied…

Superconductivity · Physics 2013-02-11 Sanjeev Kumar , Prabuddha B. Chakraborty

We discuss upper and lower bounds on the electrical conductivity of finite temperature strongly coupled quantum field theories, holographically dual to probe brane models, within linear response. In a probe limit where disorder is…

High Energy Physics - Theory · Physics 2016-04-07 Tatsuhiko N. Ikeda , Andrew Lucas , Yuichiro Nakai

Recently, realistic theories of electroweak symmetry breaking have been constructed in which the electroweak symmetry is broken by boundary conditions imposed at a boundary of higher dimensional spacetime. These theories have equivalent 4D…

High Energy Physics - Phenomenology · Physics 2009-09-29 Gustavo Burdman , Yasunori Nomura

The dual theory describing the 4D Coulomb gas of point-like magnetically charged objects, which confines closed electric strings, is considered. The respective generalization of the theory of confining strings to confining membranes is…

High Energy Physics - Theory · Physics 2010-02-03 Dmitri Antonov

Topological phononic insulators are the counterpart of three-dimensional quantum spin Hall insulators in phononic systems and, as such, their topological surfaces are characterized by Dirac cone-shaped gapless edge states arising as a…

Superconductivity · Physics 2022-08-17 Daniele Di Miceli , Chandan Setty , Alessio Zaccone

The electronic and magnetic structures in the normal and superconducting states of iron pnictides are investigated by solving self-consistently the Bogoliubov-de Gennes equation. It is shown that strong electron correlations can induce…

Superconductivity · Physics 2011-07-07 Huaixiang Huang , Degang Zhang , Tao Zhou , C. S. Ting

Within the phase fluctuation picture for the pseudogap state of a high-$T_{c}$ superconductor, we incorporate the phase fluctuations generated by the classical XY model with the Bogoliubov-de Gennes formalism utilizing a field-theoretical…

Superconductivity · Physics 2008-09-26 Wonkee Kim , Yan Chen , C. S. Ting

The temperature and angular dependence of the c-axis Josephson current and the superfluid density in layered d-wave superconductors are studied within the framework of an extended Ambegaokar-Baratoff formalism. In particular, the effects of…

Superconductivity · Physics 2009-11-10 Kazumi Maki , Stephan Haas

Using the translation method of Tartar, Murat, Lurie, and Cherkaev bounds are derived on the volume occupied by an inclusion in a three-dimensional conducting body. They assume electrical impedance tomography measurements have been made for…

Analysis of PDEs · Mathematics 2012-06-05 Hyeonbae Kang , Graeme W. Milton

The thermal disordering of the $d$-density wave, proposed to be the origin of the pseudogap state of high temperature superconductors, is suggested to be the same as that of the statistical mechanical model known as the 6-vertex model. The…

Strongly Correlated Electrons · Physics 2009-11-07 Sudip Chakravarty

Superconducting phase transitions in strongly type-II superconductors in the Pauli paramagnetic limit are considered within the framework of the Gorkov-Ginzburg-Landau approach in the lowest Landau level approximation for both s and d-wave…

Superconductivity · Physics 2007-12-27 T. Maniv , V. Zhuravlev

One-dimensional grain boundaries of two-dimensional semiconducting {\MX} (M= Mo,W; X=S,Se) transition metal di-chalcogenides are typically metallic at room temperature. The metallicity has its origin in the lattice polarization, which for…

Materials Science · Physics 2020-10-14 Sridevi Krishnamurthi , Geert Brocks

A two-parameter field theoretical representation is given of a 2-dimensional dirty d-wave superconductor that interpolates between the Gaussian limit of uncorrelated weak disorder and the unitary limit of a dilute concentration of resonant…

Disordered Systems and Neural Networks · Physics 2009-10-31 Claudio Chamon , Christopher Mudry

Understanding the thermal properties of two-dimensional (2D) materials and devices is essential for thermal management of 2D applications. Here we perform molecular dynamics simulations to evaluate both the specific heat of $MoS_{2}$ as…

Mesoscale and Nanoscale Physics · Physics 2019-08-02 Saurabh V. Suryavanshi , Alexander J. Gabourie , Amir Barati Farimani , Eric Pop
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