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Related papers: Thin Dielectric Films in Superconducting Cavities

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Superconductors used in magnet technology could carry extreme currents because of their ability to keep the magnetic flux motionless. The dynamics of the magnetic flux interaction with superconductors is controlled by this property. The…

Accelerator Physics · Physics 2015-01-29 F Gömöry

By doing magnetization measurements during magnetic field sweeps on thin films of the new superconductor $MgB_2$, it is found that in a low temperature and low field region small flux jumps are taking place. This effect strongly suppresses…

Superconductivity · Physics 2009-11-07 Z. W. Zhao , S. L. Li , Y. M. Ni , H. P. Yang , Z. Y. Liu , H. H. Wen , W. N. Kang , H. J. Kim , E. M. Choi , S. I. Lee

The superconducting current breaking effect at pulsed field magnetization of HTS annuli was carefully investigated. It is proposed the simple model for qualitative description of this process. In particular, it is shown the appearance of a…

Superconductivity · Physics 2017-09-13 V. S. Korotkov , E. P. Krasnoperov , A. A. Kartamyshev

The superconductor-insulator transition in ultrathin films of amorphous Bi was tuned by changing the film thickness, with and without an applied magnetic field. The first experimentally obtained phase diagram is mapped as a function of…

Disordered Systems and Neural Networks · Physics 2009-10-31 N. Markovic , C. Christiansen , A. M. Goldman

Applied magnetic fields underlie exotic quantum states, such as the fractional quantum Hall effect and Bose-Einstein condensation of spin excitations. Superconductivity, on the other hand, is inherently antagonistic towards magnetic fields.…

First, this is a response to a criticism I have received about the paper which is mentioned in the title. Second, the aim is to show the important role of small (compared to coherence length) weak superconducting spots when located at the…

Accelerator Physics · Physics 2021-04-09 Wolfgang Weingarten

The superconductor to normal metal phase transition induced by the in-plane magnetic field is studied in free-standing Pb(111) nanofilms. In the considered structures the energy quantization induced by the confinement leads to the…

Mesoscale and Nanoscale Physics · Physics 2015-10-28 P. Wójcik , M. Zegrodnik

For low-mass (frequency $\ll$ GHz) axions, dark matter detection experiments searching for an axion-photon-photon coupling generally have suppressed sensitivity, if they use a static background magnetic field. This geometric suppression can…

High Energy Physics - Phenomenology · Physics 2020-07-22 Robert Lasenby

Current and field profiles, and magnetization and ac losses are calculated for arrays of infinitely long superconducting tapes in the critical state in a perpendicularly applied magnetic field. The tapes are arranged both horizontally and…

Superconductivity · Physics 2007-05-23 Enric Pardo , Carles Navau , Alvaro Sanchez

We theoretically evaluate changes in the magnetic potential arising from the magnetic field near superconducting thin films. An example of an atom chip based on a three-wire configuration has been simulated in the superconducting and the…

Superconductivity · Physics 2009-09-29 D. Cano , B. Kasch , H. Hattermann , D. Koelle , R. Kleiner , C. Zimmermann , J. Fortágh

The suppression by a magnetic field of the anomalous H=0 conducting phase in high-mobility silicon MOSFETs is independent of the angle between the field and the plane of the 2D electron system. In the presence of a parallel field large…

Strongly Correlated Electrons · Physics 2009-10-30 S. V. Kravchenko , D. Simonian , M. P. Sarachik , A. D. Kent , V. M. Pudalov

We theoretically consider the proximity effect in semiconductor-superconductor hybrid nanostructures, which are being extensively studied in the context of the ongoing search for non-Abelian Majorana fermions in solid state systems.…

Mesoscale and Nanoscale Physics · Physics 2013-05-21 Tudor D. Stanescu , S. Das Sarma

Hybrid superconducting/magnetic nanostructures on Si substrates have been built with identical physical dimensions but different magnetic configurations. By constructing arrays based on Co-dots with in-plane, out-of-plane, and vortex state…

Superconductivity · Physics 2019-05-13 A. Gomez , D. A. Gilbert , E. M. Gonzalez , Kai Liu , J. L. Vicent

The field-effect technique, popular thanks to its application in common field-effect transistors, is here applied to metallic thin films by using as a dielectric a novel polymer electrolyte solution. The maximum injected surface charge,…

Mesoscale and Nanoscale Physics · Physics 2013-12-10 M. Tortello , A. Sola , Kanudha Sharda , F. Paolucci , J. R. Nair , C. Gerbaldi , D. Daghero , R. S. Gonnelli

Superconducting heterostructures with spin-active materials have emerged as promising platforms for engineering topological superconductors featuring Majorana bound states at surfaces, edges and vortices. Here we present a method for…

Superconductivity · Physics 2012-08-09 Jens Michelsen , Roland Grein

We introduce an effect of metallization of dielectric nanofilms by strong, adiabatically varying electric fields. The metallization causes optical properties of a dielectric film to become similar to those of a plasmonic metal (strong…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Maxim Durach , Anastasia Rusina , Matthias F. Kling , Mark I. Stockman

The theory of weak localization is generalized for multilevel 2D systems taking into account intersubband scattering. It is shown that weak intersubband scattering which is negligible in a classical transport, affects strongly the…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 N. S. Averkiev , L. E. Golub , S. A. Tarasenko , M. Willander

Application of an external AC magnetic field parallel to superconducting tapes helps in eliminating the magnetization caused by the shielding current induced in the flat faces of the tapes. This method helps in realizing a magnet system…

Superconductivity · Physics 2015-05-28 Kazuhiro Kajikawa , Kazuo Funaki

An external magnetic field is found to have strong effects on the electronic structure of carbon nanotubes. A field-induced metal-insulator transition is predicted for all pure nanotubes. In a weak field, nanotubes exhibit both large…

Condensed Matter · Physics 2009-10-22 Jian Ping Lu

We show how interference effects are responsible for manipulating the output electromagnetic field of an optical micro-resonator in the good-cavity limit. The system of interest consists in a moderately strongly pumped two-level emitter…

Quantum Physics · Physics 2014-10-29 Viorel Ciornea , Mihai A. Macovei
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