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Related papers: Quark scattering at QGP/2SC interface

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Considering the low-temperature ($T$) and high-baryon-number-density ($n_B$) region of the QCD phase diagram, we present a model for the first-order phase transition between the quark-gluon plasma (QGP) and the recently proposed colour…

High Energy Physics - Phenomenology · Physics 2009-09-25 R. S. Bhalerao , R. K. Bhaduri

Point-contact Andreev reflection spectroscopy was performed on single crystals of the heavy-fermion superconductor PrOs$_{4}$Sb$_{12}$, down to 90mK and up to 3Tesla. The conductance spectra showed multiple structures, including zero-bias…

Superconductivity · Physics 2011-10-25 C. S. Turel , W. M. Yuhasz , R. Baumbach , M. B. Maple , J. Y. T. Wei

We theoretically investigate the quantum transports in a junction between a superconductor and a silicene nanoribbon, under the effect of a magnetic exchange field. We find that for a narrow nanoribbon of silicene, remarkable crossed…

Mesoscale and Nanoscale Physics · Physics 2016-10-26 Kangkang Li , Yan-Yang Zhang

The crossed Andreev reflection in a hybrid nanostructure consisting of a d-wave superconductor and two quantum wires is theoretically studied. When the (110) oriented surface of the superconductor is in contact with the wires parallel and…

Superconductivity · Physics 2009-11-11 S. Takahashi , T. Yamashita , S. Maekawa

We propose a qualitatively new mechanism for quarkonium production, motivated by the global features of the experimental data and by the successes/failures of existing models. In QCD, heavy quarks are created in conjunction with a…

High Energy Physics - Phenomenology · Physics 2009-10-31 Paul Hoyer , Stephane Peigne

Scanning gate microscopy is used to locally investigate electron transport in a high-mobility two-dimensional electron gas formed in a GaAs/AlGaAs heterostructure. Using quantum point contacts (QPC) we observe branches caused by electron…

Mesoscale and Nanoscale Physics · Physics 2015-06-05 A. A. Kozikov , C. Rössler , T. Ihn , K. Ensslin , C. Reichl , W. Wegscheider

We investigate effects of charm-quark interactions in a Quark-Gluon Plasma on the production of $D$ and $J/\psi$ mesons in high-energy heavy-ion collisions. Employing a previously constructed coalescence model that successfully reproduces…

Nuclear Theory · Physics 2009-11-10 V. Greco , C. M. Ko , R. Rapp

By combining the Dirac equation of relativistic quantum mechanics with the Bogoliubov-De Gennes equation of superconductivity we investigate the electron-hole conversion at a normal-metal--superconductor interface in graphene. We find that…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 C. W. J. Beenakker

We show how superconductors can be used to couple, initialize, and read out spatially separated spin qubits. When two single-electron quantum dots are tunnel coupled to the same superconductor, the singlet component of the two-electron…

Mesoscale and Nanoscale Physics · Physics 2013-09-05 Martin Leijnse , Karsten Flensberg

At ultra-high density, matter is expected to form a degenerate Fermi gas of quarks in which there is a condensate of Cooper pairs of quarks near the Fermi surface. This phenomenon is called color superconductivity. In these proceedings I…

High Energy Physics - Lattice · Physics 2008-11-26 Mark G. Alford

A coexistent phase of spin polarization and color superconductivity in high-density QCD is studied at zero temperature. The axial-vector self-energy stemming from the Fock exchange term of the one-gluon-exchange interaction has a central…

High Energy Physics - Phenomenology · Physics 2008-11-26 Toshitaka Tatsumi , Tomoyuki Maruyama , Eiji Nakano

Dynamic conductance spectra are taken from Au/CeCoIn$_5$ point contacts in the Sharvin limit along the (001) and (110) directions. Our conductance spectra, reproducibly obtained over wide ranges of temperature, constitute the cleanest data…

Superconductivity · Physics 2015-06-25 Wan Kyu Park , Laura H. Greene , John L. Sarrao , Joe D. Thompson

Heavy-quark observables in ultrarelativistic heavy-ion collisions, like the nuclear modification factor and the elliptic flow, give insight into the mechanisms of high-momentum suppression and low-momentum thermalization of heavy quarks.…

Nuclear Theory · Physics 2016-04-27 Marlene Nahrgang , Jörg Aichelin , Pol Bernard Gossiaux , Klaus Werner

The quantum entanglement between two qubits is crucial for applications in the quantum communication. After the entanglement of photons was experimentally realized, much effort has been taken to exploit the entangled electrons in…

Mesoscale and Nanoscale Physics · Physics 2015-10-13 Ying-Tao Zhang , Xinzhou Deng , Qing-Feng Sun , Zhenhua Qiao

Being resilient to magnetic field, Ising superconductor serves as an exceptional platform for studying the interplay between superconductivity and magnetism. In this Letter, we first explore the transport properties of a two-terminal…

Mesoscale and Nanoscale Physics · Physics 2025-12-30 Gaoyang Li , Sourabh Patil , Yanxia Xing , Wolfgang Belzig , Gaomin Tang

The kinetic energy of superconducting electrons in an ultrathin, doubly connected superconducting cylinder, determined by the applied flux, increases as the cylinder diameter decreases, leading to a destructive regime around half-flux…

Superconductivity · Physics 2016-08-31 H. Wang , M. M. Rosario , N. A. Kurz , B. Y. Rock , M. Tian , P. T. Carrigan , Y. Liu

We investigate the crossed Andreev reflections between two graphene leads connected by a narrow superconductor. When the leads are respectively of the n-and p- type, we find that electron elastic cotunneling and local Andreev reflection are…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 J. Cayssol

Andreev reflection at a normal-superconductor interface may be accompanied with an anomalous spatial shift. The studies so far are limited to the top incidence configuration. Here, we investigate this effect in the side incidence…

Superconductivity · Physics 2024-03-27 Runze Li , Chaoxi Cui , Ying Liu , Zhi-Ming Yu , Shengyuan A. Yang

Andreev reflection at the interface between a ferromagnet and a superconductor has become a foundation of a versatile new technique of measuring the spin polarization of magnetic materials. In this paper we will briefly outline a general…

Materials Science · Physics 2009-10-31 I. I. Mazin , A. A. Golubov , B. Nadgorny

Andreev reflection (AR) and Yanson point-contact spectroscopy (PCS) have been applied simul-taneously to study the superconducting (SC) gap and the electron-phonon interaction (EPI) in a Zn single crystal. The correlation between SC gap…

Superconductivity · Physics 2014-02-05 Yu. G. Naidyuk , Kurt Gloos