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Related papers: Bernoulli effect in superconductors and Cooper-pai…

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Changes of the electron work-function of a superconductor proportional to the square of the current density $\Delta \phi = -\beta j^2$ are known as Bernoulli effect in superconductors or current induced Contact Potential Difference (CPD).…

Superconductivity · Physics 2020-07-29 Todor M. Mishonov , Albert M. Varonov

It is analyzed what fundamental new information for the properties of the superconductors can be obtained by systematic investigation of the Bernoulli effect. It is shown that it is a tool to determine the effective mass of Cooper pairs,…

Superconductivity · Physics 2009-11-10 T. Mishonov , E. Penev

A comment is made on a letter (Phys. Rev. Lett. {\bf 102}, 067001) and a paper (Phys. Rev. B {\bf 83}, 020506) regarding the correct expression of the thermal current vertex for Cooper pairs.

Superconductivity · Physics 2011-08-05 Osamu Narikiyo

A superconductor connected to normal leads allows to generate Einstein-Podolsky-Rosen pairs by Cooper pair splitting. It has been realized with quantum dots either defined in carbon nanotubes or InAs nanowires. After establishing the…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 H. Soller

Cooper pairs formed by two electrons with different effective masses are common in multiband superconductors, pair density wave states, and other superconducting systems with multiple degrees of freedom. In this paper, we show that there…

Superconductivity · Physics 2024-09-27 Pengfei Li , Kun Jiang , Jiangping Hu

We describe electronic instruments for creation of effective Cooper pair spectroscopy. The suggested spectroscopy requires study of electric field effects on the surface of cleaved superconductors. The electronic instrument reacquires low…

Superconductivity · Physics 2021-02-23 Todor M. Mishonov , Albert M. Varonov

Formulated in [Low Temperature Physics/Fizika Nizkikh Temperatur, 41, 482 (2015)] model of hypothetical superconductivity with the source term (external pair potential) in BCS hamiltonian is generalized for a case if electrons interacts via…

Superconductivity · Physics 2015-06-30 Konstantin V. Grigorishin

We demonstrate Cooper-pair's drastic enhancement effect on band-to-band radiative recombination in a semiconductor. Electron Cooper pairs injected from a superconducting electrode into an active layer by the proximity effect recombine with…

Other Condensed Matter · Physics 2013-07-05 H. Sasakura , S. Kuramitsu , Y. Hayashi , K. Tanaka , T. Akazaki , E. Hanamura , R. Inoue , H. Takayanagi , Y. Asano , I. Suemune

We discuss the concept of Cooper pair in the context of recent experimental studies of radio-frequency excitations in ultracold atomic gases. We argue that the threshold energy determines the size of the Cooper pair emergent from the exact…

Other Condensed Matter · Physics 2008-03-17 J. Dukelsky , G. Ortiz

The electrostatic Bernoulli potential measured at the surface of a superconductor via Kelvin capacitive coupling is shown to be independent of the pairing mechanism. This contrasts with the Bernoulli potential in the bulk where…

Superconductivity · Physics 2009-11-07 Pavel Lipavsky , Jan Kolacek , Jiri J. Mares , Klaus Morawetz

A new theory for Cooper pair formation and superconductivity is derived from quantum statistical mechanics. It is shown that zero momentum Cooper pairs have non-local permutations and behave as effective bosons with an internal weight close…

Superconductivity · Physics 2022-04-04 Phil Attard

This article discusses how to demonstrate the entanglement of the split Cooper pairs produced in a double-quantum-dot based Cooper pair beam splitter (CPS), by performing the microwave spectroscopy of the CPS. More precisely, one can study…

Mesoscale and Nanoscale Physics · Physics 2012-09-12 Audrey Cottet

Superconductivity is an emergent phenomena in the sense that the energy scale associated with Cooper pairing is generically much lower than the typical kinetic energy of electrons. Addressing the mechanism of Cooper pairing amounts to…

Superconductivity · Physics 2017-06-14 Zi-Xiang Li , Fa Wang , Hong Yao , Dung-Hai Lee

A setup based on the Franson optical interferometer is analyzed, which allows us to detect the coherence properties of Cooper pairs emerging via tunneling from a superconductor in contact with two one-dimensional channels. By tuning the…

Mesoscale and Nanoscale Physics · Physics 2015-03-20 Vittorio Giovannetti , Kazuya Yuasa

We study a new effect of Cooper-pair-based two-photon gain in semiconductor-superconductor structures, showing broadband enhancement of ultrafast two-photon amplification. We further show that with the superconducting enhancement, at…

Superconductivity · Physics 2016-02-17 Raja Marjieh , Evyatar Sabag , Alex Hayat

The two electrons of a Cooper pair in a conventional superconductor form a singlet and therefore a maximally entangled state. Recently, it was demonstrated that the two particles can be extracted from the superconductor into two spatially…

Mesoscale and Nanoscale Physics · Physics 2012-10-10 J. Schindele , A. Baumgartner , C. Schönenberger

The thermopower of superconductors measured via the magnetic flux in bimetallic loop is evaluated. It is shown that by a standard matching of the electrostatic potential, known as the Bernoulli potential, one explains the experimentally…

Superconductivity · Physics 2009-11-10 Jan Kolacek , Pavel Lipavsky

We propose a new mixed-mechanism for superconductors, which addresses not only low- but also high-, and even possible room-temperature superconductivity. We use this mixed-mechanism to explain superconductivity in different temperature…

Superconductivity · Physics 2013-11-05 D. H. Lin , D. J. Cui , B. Li , L. F. Liu , X. Q. Wang

The microscopic theory of superconductivity raised the disruptive idea that electrons couple through the elusive exchange of virtual phonons, overcoming the strong Coulomb repulsion to form Cooper pairs. Light is also known to interact with…

In a superconductor electrons form pairs despite the Coulomb repulsion as a result of an effective attractive interaction mediated by, for example phonons. In the present paper DeGennes' description of the dynamically screened Coulomb…

Superconductivity · Physics 2025-03-13 Dirk van der Marel
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