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Fundamental considerations predict that macroscopic quantum systems such as superfluids and the electrons in superconductors will exhibit oscillatory motion when pushed through a small constriction. Here we report the observation of these…

Superconductivity · Physics 2007-05-23 E. Hoskinson , R. E. Packard

Electrodynamics of superconductors is primarily the electrodynamics of the Meissner state, a state characterized by zero magnetic induction of a superconducting fraction of conduction electrons. Simultaneously, the Meissner state is…

Superconductivity · Physics 2022-10-25 Vladimir Kozhevnikov

In the thermally driven superfluid He-4 turbulence, the counterflow velocity $U_{\rm ns}$ partially decouples the normal and superfluid turbulent velocities. Recently we suggested [J. Low Temp. Phys. 187, 497 (2017)] that this decoupling…

Other Condensed Matter · Physics 2018-07-03 Victor. S. L'vov , Anna Pomyalov

This article introduces Kerson Huang's theory on superfluid universe in these aspects: I. choose the asymptotically free Halpern-Huang scalar field(s) to drive inflation; II. use quantum turbulence to create matter; III. consider dark…

Cosmology and Nongalactic Astrophysics · Physics 2025-04-29 Hwee-Boon Low , Chi Xiong

Superconductivity is a fascinating quantum phenomenon characterized by zero electrical resistance and the Meissner effect. To date, several distinct families of superconductors (SCs) have been discovered. These include three-dimensional…

Materials Science · Physics 2017-11-27 Xiaoming Zhang , Yinong Zhou , Bin Cui , Mingwen Zhao , Feng Liu

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

We develop a theory for a novel state of ${}^4$He films, that possesses off diagonal order (as in the superfluid state), as well as hexatic or bond orientational order. Within our description, both the hexatic and superfluid transitions are…

Condensed Matter · Physics 2007-05-23 Kieran Mullen , H. T. C. Stoof , Mats Wallin , S. M. Girvin

Photoemission experiments in high $T_c$ cuprates indicate that quasiparticles are heavily 'dressed' in the normal state, particularly in the low doping regime. Furthermore these experiments show that a gradual undressing occurs both in the…

Superconductivity · Physics 2009-10-31 J. E. Hirsch

By coupling Bardeen-Cooper-Schrieffer (BCS) theory with isolated bands to an external gravitomagnetic vector potential via a gravitomagnetic Peierls substitution, we identify a quantum-geometric contribution to the electronic contribution…

Superconductivity · Physics 2026-02-13 Maximilian Buthenhoff , Yusuke Nishida

Superfluid 3He-A and high-temperature superconductors both have gapless fermionic quasiparticles with the "relativistic" spectrum close to the gap nodes. The interaction of these "relaitivistic" fermions with bosonic collective modes of the…

Condensed Matter · Physics 2007-05-23 G. E. Volovik

Since the discovery of superfluidity in He4 and Landau's phenomenological theory, the relationship between Bose condensation and superfluidity has been intensely debated. He4 is known by now to be both superfluid and condensed at low…

Strongly Correlated Electrons · Physics 2015-03-17 Nicolas Laflorencie , Frederic Mila

Like many quantum fluids, superfluid helium-4 (He II) can be considered as a mixture of two miscible fluid components: an inviscid superfluid and a viscous normal fluid consisting of thermal quasiparticles [1]. A mutual friction between the…

Quantum Gases · Physics 2022-11-04 Yuan Tang , Wei Guo , Hiromichi Kobayashi , Satoshi Yui , Makoto Tsubota , Toshiaki Kanai

New techniques, both for generating and detecting turbulence in the helium superfluids 3He-B and 4He, have recently given insight in how turbulence is started, what the dissipation mechanisms are, and how turbulence decays when it appears…

Other Condensed Matter · Physics 2011-02-23 V. B. Eltsov , R. de Graaf , R. Hanninen , M. Krusius , R. E. Solntsev , V. S. L'vov , A. I. Golov , P. M. Walmsley

Physical explanation of hyperconductivity and thermal superconductivity existence is done in given article on the basis of inherent atomic nuclei oscillations in atoms of materials which are connected with electrons and phonons and in…

Superconductivity · Physics 2008-01-29 V. A. Vdovenkov

Recent development in the physics of high-temperature cuprate superconductivity is reviewed, with special emphasis on the phenomena of unconventional and non-universal low-energy excitations of hole- and electron-type cuprate…

Superconductivity · Physics 2015-05-14 N. -C. Yeh , A. D. Beyer

Superconducting diode effect, in analogy to the nonreciprocal resistive charge transport in semiconducting diode, is a nonreciprocity of dissipationless supercurrent. Such an exotic phenomenon originates from intertwining between…

Superconductivity · Physics 2023-02-01 Muhammad Nadeem , Michael S. Fuhrer , Xiaolin Wang

Within a simple model Hamiltonian, both superconductivity and metallic ferromagnetism can be understood as arising from lowering of kinetic energy as the ordered state develops, due to a reduction in the carriers effective mass, or…

Strongly Correlated Electrons · Physics 2015-06-24 J. E. Hirsch

New models of Turbulence, Superfluidity and Superconductivity, based on new Hierarchic theory, general for liquids and solids (physics/0102086), have been proposed. CONTENTS: 1 Turbulence. General description; 2 Mesoscopic mechanism of…

General Physics · Physics 2015-06-26 Alex Kaivarainen

A hydrodynamic theory of transport in quantum mechanically phase-disordered superconductors is possible when supercurrent relaxation can be treated as a slow process. We obtain general results for the frequency-dependent conductivity of…

Superconductivity · Physics 2017-08-03 Richard A. Davison , Luca V. Delacrétaz , Blaise Goutéraux , Sean A. Hartnoll

Superfluidity in $^3$He exhibits many unique properties that are of interest to modern condensed matter research, including multiple superfluid phase transitions, topological defects, and exotic classes of excitations like Majorana and Weyl…

Other Condensed Matter · Physics 2026-03-31 Alexander J. Shook , Daksh Malhotra , Aymar Muhikira , John P. Davis