English
Related papers

Related papers: Electromagnetic response in kinetic energy driven …

200 papers

We present a theoretical framework for understanding the behavior of the normal and superconducting states of overdoped cuprate high temperature superconductors in the vicinity of the doping-tuned quantum superconductor-to-metal transition.…

Superconductivity · Physics 2021-07-12 Zi-Xiang Li , Steven A. Kivelson , Dung-Hai Lee

The theory that the change of the electronic kinetic energy in a direction perpendicular to the CuO-planes in high-temperature superconductors is a substantial fraction of the condensation energy is examined. It is argued that the…

Superconductivity · Physics 2009-10-31 Sudip Chakravarty , Hae-Young Kee , Elihu Abrahams

Linear response theory, commonly known as the random phase approximation (RPA), predicts a rich magnetic excitation spectrum for d-wave superconductors. Many of the features predicted by such calculations appear to be reflected in inelastic…

Superconductivity · Physics 2009-11-13 M. R. Norman

Results of X-band microwave surface impedance measurements of FeSe1-xTex very thin film are reported. The effective surface resistance shows appearance of peak at T less and near Tc when plotted as function of temperature. The authors…

Superconductivity · Physics 2015-06-19 A. A. Barannik , N. T. Cherpak , Yun Wu , Sheng Luo , Yusheng He , M. S. Kharchenko , A. Porch

Energy band theory is a foundational framework in condensed matter physics. In this work, we employ a deep learning method, BNAS, to find a direct correlation between electronic band structure and superconducting transition temperature. Our…

Superconductivity · Physics 2025-09-08 Jun Li , Wenqi Fang , Shangjian Jin , Tengdong Zhang , Yanling Wu , Xiaodan Xu , Yong Liu , Dao-Xin Yao

High temperature superconductivity in cuprates arises from doping a parent Mott insulator by electrons or holes. A central issue is how the Mott gap evolves and the low-energy states emerge with doping. Here we report angle-resolved…

Using a doping-determined multiband model spectrum of a "typical'' cuprate the effective mass of the paired carriers is calculated on the whole doping scale. Large $m_{ab}$ values quench rapidly with leaving the very underdoped region.…

Superconductivity · Physics 2009-11-11 N. Kristoffel , P. Rubin

Ultrasensitive magnetic field detection is utilized in the fields of science, medicine and industry. We report on a novel magnetometer relying on the kinetic inductance of superconducting material. The kinetic inductance exhibits a…

Instrumentation and Detectors · Physics 2014-09-12 Juho Luomahaara , Visa Vesterinen , Leif Grönberg , Juha Hassel

Due to their proximity to an antiferromagnetic phase and to the mysterious pseudogap, underdoped cuprates have attracted great interest in the high Tc community for many years. A central issue concerns the role of quantum and thermal…

Superconductivity · Physics 2011-09-22 Jie Yong , M. Hinton , A. McCray , M. Randeria , M. Naamneh , A. Kanigel , T. R. Lemberger

We report microwave cavity perturbation measurements of the temperature dependence of the penetration depth, lambda(T), and conductivity, sigma(T) of Pr_{2-x}Ce_{x}CuO_{4-delta} (PCCO) crystals, as well as parallel-plate resonator…

We propose and demonstrate a spatial partition method for the high-frequency photo-response of superconducting devices correlated with inductive and resistive changes in microwave impedance. Using a laser scanning microscope, we show that…

Superconductivity · Physics 2009-09-14 Alexander P. Zhuravel , Steven M. Anlage , Alexey V. Ustinov

We theoretically investigate the response of a superconducting film to line currents flowing in linear wires placed above the film, and we present analytic expressions for the magnetic-field and current distributions based on the critical…

Superconductivity · Physics 2009-11-11 Yasunori Mawatari , John R. Clem

Thermal fluctuation conductivity for a layered superconductor in perpendicular magnetic field is treated in the frame of the self-consistent Hartree approximation for an arbitrarily strong in-plane electric field. The simultaneous…

Superconductivity · Physics 2009-11-10 Ionut Puica , Wolfgang Lang

We develop a linear response theory to provide a unified description of two recent spectroscopy protocols for probing one-dimensional supersolid states realized in cold-atom systems. Both protocols involve applying a periodic optical…

Quantum Gases · Physics 2025-05-09 L. M. Platt , D. Baillie , P. B. Blakie

The influence of a uniform external magnetic field on the dynamical spin response of cuprate superconductors in the superconducting state is studied based on the kinetic energy driven superconducting mechanism. It is shown that the magnetic…

Superconductivity · Physics 2008-11-05 Jingge Zhang , Li Cheng , Huaiming Guo , Shiping Feng

Recent neutron scattering, nuclear magnetic resonance, and scanning tunneling microscopy experiments have yielded valuable new information on the interplay between charge and spin density wave order and superconductivity in the cuprate…

Strongly Correlated Electrons · Physics 2007-05-23 Anatoli Polkovnikov , Subir Sachdev , Matthias Vojta , Eugene Demler

The magnetic field driven superconductor/insulator transition is studied in a large variety of $La_{2-x}Sr_xCuO_4$ thin films of various Sr dopings. Temperature dependence of the resistivity down to 4.2 or 1.5 K under high pulsed magnetic…

We use a numerical solution of the deterministic TDGL equations to determine the response induced by a probe field in a material quenched into a superconducting state. We characterize differences in response according to whether the probe…

Superconductivity · Physics 2017-08-09 D. M. Kennes , A. J. Millis

The recent discovery of a nonsaturating linear magnetoresistance in several correlated electron systems near a quantum critical point has revealed an interesting interplay between the linear magnetoresistance and the zero-field…

What factors fundamentally determine the value of superconducting transition temperature (Tc) in high temperature superconductors has been the subject of intense debate. Following the establishment of an empirical law known as Homes'law,…

‹ Prev 1 3 4 5 6 7 10 Next ›