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A model, based on classical mechanics and thermodynamics and valid for \textit{all} superconductors, is devised to investigate the properties of the \textit{current-driven}, superconducting to normal transition. This process is shown to be…

General Physics · Physics 2019-12-23 Jacob Szeftel , Nicolas Sandeau , Michel Abou Ghantous

An exact analytical solution is given for the critical state problem in long thin superconductor strips in a perpendicular magnetic field, when the critical current density j_c(B) depends on the local induction B according to a simple…

Superconductivity · Physics 2009-10-31 Grigorii P. Mikitik , Ernst Helmut Brandt

Searching for ambient-pressure conventional superconductors with critical temperatures (TC) higher than 40 K is a key challenge in the field of high-temperature superconductivity, mainly due to lack of efficient and effective models to…

Superconductivity · Physics 2025-11-26 Yuting Sun , Shixu Liu , Xin-Gao Gong , Ji-Hui Yang

High-entropy alloy (HEA) superconductors have garnered significant attention due to their unique characteristics, such as robust superconductivity under extremely high pressure and irradiation, the cocktail effect, and the enhancement of…

Superconductivity · Physics 2025-04-10 Jiro Kitagawa , Yoshikazu Mizuguchi , Terukazu Nishizaki

Ensuring predictability in modern real-time Systems-on-Chip (SoCs) is an increasingly critical concern for many application domains such as automotive, robotics, and industrial automation. An effective approach involves the modeling and…

Hardware Architecture · Computer Science 2024-08-20 Luca Valente , Francesco Restuccia , Davide Rossi , Ryan Kastner , Luca Benini

High quality bulk MgB2 exhibit a structure of voids and agglomeration of crystals on different length-scales. Because of this, the superconducting currents percolate between the voids in the ensuing structure. Magnetic measurements reveal…

Superconductivity · Physics 2007-05-23 J. Horvat , S. Soltanian , A. V. Pan , X. L. Wang

We consider a model of nonlinear superfluid flow past a periodic array of point-like scatterers in one dimension. An application of this model is the determination of the critical current of a Josephson array in a regime appropriate to a…

Superconductivity · Physics 2009-10-31 D. Taras-Semchuk , J. M. F. Gunn

Using a mean-field BCS-like approach on the bidimensional extended Hubbard Hamiltonian we calculate the superconducting transition temperature Tc as a function of the hole content nh, for the d-wave and extended-s wave gap symmetries. To…

Superconductivity · Physics 2009-11-07 E. S. Caixeiro , E. V. L. de Mello

Superconducting thin metallic films, functioning as supercurrent gate-tunable transistors, have considerable potential for future quantum electronic devices. Despite extensive research, a comprehensive microscopic quantitative mechanism…

Superconductivity · Physics 2025-10-21 Giovanni Alberto Ummarino , Alessio Zaccone , Alessandro Braggio , Francesco Giazotto

A general lossless joint source-channel coding scheme based on linear codes is proposed and then analyzed in this paper. It is shown that a linear code with good joint spectrum can be used to establish limit-approaching joint source-channel…

Information Theory · Computer Science 2016-11-17 Shengtian Yang , Peiliang Qiu

The maximum current (critical current) a type-II superconductor can transmit without energy loss is limited by the motion of the quantized magnetic flux penetrating into a superconductor. Introducing nanoscale holes into a superconducting…

Superconductivity · Physics 2013-06-07 Yong-Lei Wang , M. L. Latimer , Zhi-Li Xiao , R. Divan , L. E. Ocola , G. W. Crabtree , Wai-Kwong Kwok

We consider the critical temperature for superconductivity, defined via the linear BCS equation. We prove that at weak coupling the critical temperature for a sample confined to a quadrant in two dimensions is strictly larger than the one…

Mathematical Physics · Physics 2025-05-29 Barbara Roos , Robert Seiringer

A promising direction for harnessing the laws of quantum mechanics to perform quantum computation is the topological quantum computation, for which topological superconductivity is one of the physical platforms. Intensive theoretical…

Superconductivity · Physics 2022-09-05 Noah F. Q. Yuan , Xiao-Jia Chen

Conduction in bulk polycrystalline high-T$_c$ superconductors with relatively high critical currents has been shown to be percolative. This phenomenon is due to weak links at grain boundaries. These weak links are the major limiting factor…

Superconductivity · Physics 2007-05-23 Robert Haslinger , Robert Joynt

We consider a new fundamental question regarding the point-to-point memoryless channel. The source-channel separation theorem indicates that random codebook construction for lossy source compression and channel coding can be independently…

Information Theory · Computer Science 2011-10-04 Paul Cuff , Curt Schieler

A transport current distribution over a wide superconducting sheet is shown to strongly change in a presence of bulk magnetic screens of a soft magnet with a high permeability. Depending on the geometry, the effect may drastically suppress…

Superconductivity · Physics 2009-10-31 Yu. A. Genenko , A. Usoskin , H. C. Freyhardt

Microwave properties of High Temperature Superconductors (HTS) exhibit dependence on RF power levels. Effects of nonlinear phenomena causing this dependence can be modelled using lumped element circuits. Several RLC circuits to model the…

Superconductivity · Physics 2012-07-24 Dimitri O. Ledenyov , Janina E. Mazierska , Greg Allen , Mohan V. Jacob

The successful integration of high-temperature superconductors (HTS) into modern technologies requires consistent, accessible, and comprehensive material data, a need that is currently unmet due to the fragmented and incomplete nature of…

Superconductivity · Physics 2025-06-03 Pablo Cayado , João Rosas , João Murta-Pina , Harold S. Ruiz

We demonstrate that the superconducting critical temperature (Tc) of thin niobium films can be electrically modulated in a liquid-gated geometry device. Tc can be suppressed and enhanced by applying positive and negative gate voltage,…

Mesoscale and Nanoscale Physics · Physics 2014-07-16 Jiman Choi , Pradheesh R. , Hyungsang Kim , Hyunsik Im , Yonuk Chong , Dong-Hun Chae

Developing high power density electronics requires effective and highly reliable cooling techniques with low thermal resistance and high heat removal capacity. Loop heat pipes (LHPs) are one kind of two-phase heat transfer device which can…

Fluid Dynamics · Physics 2025-09-03 Xu Huang , Geert Buckinx , Maria Rosaria Vetrano , Martine Baelmans