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The method of scaling algebras, which has been introduced earlier as a means for analyzing the short-distance behaviour of quantum field theories in the setting of the model-independent, operator-algebraic approach, is extended to the case…

Mathematical Physics · Physics 2009-11-10 Claudio D'Antoni , Gerardo Morsella , Rainer Verch

The magnetization of the four-layer superconductor CuBa_{2}Ca_{3}Cu_4O_{12-\delta} with T_c\simeq117 K is presented. The high-field magnetization around T_c(H) follows the exact two-dimensional scaling function given by Te\v{s}anovi\'{c}…

Superconductivity · Physics 2009-10-31 Mun-Seog Kim , C. U. Jung , Sung-Ik Lee , A. Iyo

We apply scaling and the theory of the fundamental limits of the second-order molecular susceptibility to identify material classes with ultralarge nonlinear-optical response. Size effects are removed by normalizing all nonlinearities to…

Optics · Physics 2016-11-03 Javier Perez-Moreno , Shoresh Shafei , Mark G. Kuzyk

A Hartree approximation is used to study the interplay of two kinds of scaling which arise in high-temperature superconductors, namely critical-point scaling and that due to the confinement of electron pairs to their lowest Landau level in…

Condensed Matter · Physics 2009-10-22 Ian D Lawrie

Holographic strange metals are known to have a power law resistivity rising with temperature, which is reminiscent of the strange metal phases in condensed matter systems. In some holographic models, however, the exponent of the power law…

High Energy Physics - Theory · Physics 2019-06-26 Tomas Andrade , Alexander Krikun

The intermediate 3D XY scaling theory of superconductivity at zero and nonzero magnetic fields is developed, based only upon the dimensional hypothesis $B\sim (Length)^{-2}$. Universal as well as nonuniversal aspects of the theory are…

Superconductivity · Physics 2015-06-25 Mark Friesen , Paul Muzikar

Dynamical electro-weak symmetry breaking is an appealing, strongly-coupled alternative to the weakly-coupled models based on an elementary scalar field developing a vacuum expectation value. In the first two sections of this set of…

High Energy Physics - Phenomenology · Physics 2015-03-13 Maurizio Piai

We disclose the effect of Gauss-Bonnet gravity on the properties of holographic $s$-wave and $p$-wave superconductors with higher order corrections in lower-dimensional spacetime. We employ shooting method to solve equations of motion…

High Energy Physics - Theory · Physics 2022-09-29 Mahya Mohammadi , Ahmad Sheykhi

We study (3+1)-dimensional holographic superconductors in Einstein-Gauss-Bonnet gravity both numerically and analytically. It is found that higher curvature corrections make condensation harder. We give an analytic proof of this result, and…

High Energy Physics - Theory · Physics 2014-11-20 Ruth Gregory , Sugumi Kanno , Jiro Soda

We investigate the localization of electrons hopping on quasi-1D strips in the presence of random magnetic field. In the weak-disorder region, by perturbative analytical techniques, we derive scaling laws for the localization length,…

Condensed Matter · Physics 2009-10-28 Yakov Rutman , Mario Feingold , Yshai Avishai

The superconducting diode effect may exist in bulk systems as well as in junctions when time-reversal and inversion symmetries are simultaneously broken. Magnetization gradients and textures satisfy both requirements and therefore also…

Superconductivity · Physics 2024-04-02 Mercè Roig , Panagiotis Kotetes , Brian M. Andersen

We examine spacetimes which generalize Lifshitz scaling to allow hyperscaling violation invariance (i.e. a constant conformal transformation) for the types of singularities frequently found in the Lifshitz case. We find that most of these…

High Energy Physics - Theory · Physics 2015-06-11 Keith Copsey , Robert Mann

The behaviors of resistance, magnetoresistance (up to 5 T), and Hall electromotive force (EMF) with varying temperature (from 10 to 300 K) and measuring current (from 10 mkA to 10 mA) are studied for the Si sample with CrSi2…

Mesoscale and Nanoscale Physics · Physics 2014-10-14 V. V. Andrievskii , Yu. F. Komnik , I. B. Berkutov , I. G. Mirzoiev , N. G. Galkin , D. L. Goroshko

We study a general class of holographic superconductor models via the St\"{u}ckelberg mechanism in the non-minimal derivative coupling theory in which the charged scalar field is kinetically coupling to Einstein's tensor. We explore the…

General Relativity and Quantum Cosmology · Physics 2015-05-20 Songbai Chen , Qiyuan Pan , Jiliang Jing

We investigate properties of holographic strange metals in $p+2$-dimensions, generalizing the analysis performed in arXiv:0912.1061. The bulk spacetime is $p+2$-dimensional Lifshitz black hole, while the role of charge carriers is played by…

High Energy Physics - Theory · Physics 2010-11-11 Bum-Hoon Lee , Da-Wei Pang

The transport features of the holographic two-currents model are investigated in the Horndeski gravity framework. This system displays metallic or insulating characteristics depending on whether the Horndeski coupling parameter $\gamma$ is…

High Energy Physics - Theory · Physics 2023-06-26 Dan Zhang , Guoyang Fu , Xi-Jing Wang , Qiyuan Pan , Jian-Pin Wu

We study a 2+1 dimensional model of superconductors using a 3+1 dimensional gravitational dual theory of a black hole coupled to a scalar field, with negative cosmological constant. In the presence of finite temperature T and a background…

High Energy Physics - Theory · Physics 2009-06-05 Tameem Albash , Clifford V. Johnson

In this paper, we construct a novel holographic superconductor from higher derivative (HD) gravity involving a coupling between the complex scalar field and the Weyl tensor. This HD coupling term provides a near horizon effective mass…

High Energy Physics - Theory · Physics 2020-02-11 Hai-Li Li , Guoyang Fu , Yan Liu , Jian-Pin Wu , Xin Zhang

We discuss holographic superconductors in an arbitrary dimension whose dual black holes have scalar hair of mass near the Breitenlohner-Freedman bound. We concentrate on low temperatures in the probe limit. We show analytically that when…

High Energy Physics - Theory · Physics 2011-11-23 George Siopsis , Jason Therrien , Suphot Musiri

We employ gauge/gravity duality to study the effects of Lifshitz scaling on the holographic $p$ wave superconductors in the presence of Born-Infeld (BI) nonlinear electrodynamics. By using the shooting method in the probe limit, we…

High Energy Physics - Theory · Physics 2020-10-20 Mahya Mohammadi , Ahmad Sheykhi