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Related papers: Magnetism and Superconductivity in CeRhIn5

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The discovery of superconductivity in the heavy-fermion paramagnet UTe$_2$ has attracted a lot of attention, particularly due to the reinforcement of superconductivity near pressure- and magnetic-field-induced magnetic quantum phase…

Superconductivity · Physics 2022-01-05 M. Vališka , W. Knafo , G. Knebel , G. Lapertot , D. Aoki , D. Braithwaite

We have investigated the pressure dependence of ac and dc susceptibilities of the heavy-fermion superconductor CePt3Si (Tc= 0.75 K) that coexists with antiferromagnetism (TN = 2.2 K). As hydrostatic pressure is increased, Tc first decreases…

Superconductivity · Physics 2009-11-13 Yoshihiro Aoki , Akihiko Sumiyama , Gaku Motoyama , Yasukage Oda , Yasuda Settai , Yoshichika Onuki

In this review article we present a survey of unconventional superconductors and their coexistence behaviour with magnetism. We focus on Ce- and U-based heavy fermion superconductors, in addition we discuss the rare earth borocarbide and…

Strongly Correlated Electrons · Physics 2009-09-29 Peter Thalmeier , Gertrud Zwicknagl

We study the normal and the superconducting properties in noncentrosymmetric heavy fermion superconductors CeRhSi$_3$ and CeIrSi$_3$. For the normal state, we show that experimentally observed linear temperature dependence of the…

Superconductivity · Physics 2015-05-18 Y. Tada , N. Kawakami , S. Fujimoto

We present an analysis of the normal state magnetotransport in the heavy fermion superconductor CeIrIn${_5}$. The Hall effect and the transverse magnetoresistance in this material do not appear to be uniquely correlated, as inferred from…

Strongly Correlated Electrons · Physics 2008-10-13 Sunil Nair , M. Nicklas , J. L. Sarrao , J. D. Thompson , F. Steglich , S. Wirth

A two-sublattice spin-fermion model of ferrimagnetic spinel, with spin-$1/2$ itinerant electrons at the sublattice $A$ site and spin-$s$ localized electrons at the sublattice $B$ site is considered. The exchange between itinerant and…

Strongly Correlated Electrons · Physics 2015-06-23 Naoum Karchev

Thermoelectric power measurements on the heavy fermion antiferromagnet Ce(Ru0.92Rh0.08)2Si2 under magnetic field (H) show clearly that the antiferromagnetic state below the critical field Hc ~ 2.8T can be fully decoupled from the…

Strongly Correlated Electrons · Physics 2014-02-25 Yo Machida , Koichi Izawa , Dai Aoki , Georg Knebel , Alexandre Pourret , Jacques Flouquet

Recent experiments on CeCoIn5 -- a prototypical d-wave superconductor -- indicate that its normal state lies near an unconventional quantum critical point (QCP). One intriguing hypothesis is that quantum-critical fluctuations promote…

We report a systematic study of high magnetic field specific heat and resistivity in single crystals of CeCoIn_5 for the field oriented in the basal plane (H//ab) of this tetragonal heavy fermion superconductor. We observe a divergent…

Strongly Correlated Electrons · Physics 2009-11-10 F. Ronning , C. Capan , A. Bianchi , R. Movshovich , A. Lacerda , M. F. Hundley , J. D. Thompson , P. G. Pagliuso , J. L. Sarrao

Transverse-field muon spin relaxation measurements have been carried out on the heavy-fermion superconductor UPt3 doped with small amounts of Pd. We find that the critical Pd concentration for the emergence of the large-moment…

Strongly Correlated Electrons · Physics 2009-10-31 A. de Visser , M. J. Graf , P. Estrela , A. Amato , C. Baines , D. Andreica , F. N. Gygax , A. Schenck

A sufficiently high magnetic field applied to a superconductor will act on both the charge and the spin of the individual electrons breaking up the Cooper pairs. If the spin effect dominates, the superconducting state can develop a texture…

Strongly Correlated Electrons · Physics 2007-05-23 H. A. Radovan , N. A. Fortune , T. P. Murphy , S. T. Hannahs , E. C. Palm , S. W. Tozer , D. Hall

A brief review on major advances in heavy fermion physics is presented including the Ce metal phase diagram, the huge effective mass detected in CeAl3, and the successive discoveries of unconventional superconductivity in CeCu2Si2 and three…

Strongly Correlated Electrons · Physics 2015-05-20 J. Flouquet , D. Aoki , F. Bourdarot , F. Hardy , E. Hassinger , G. Knebel , T. D. Matsuda , C. Meingast , C. Paulsen , V. Taufour

The superconducting (SC) state ($T_\mathrm{c}$ = 0.3 K) of the heavy-fermion compound CeRh$_2$As$_2$, which undergoes an unusual field-induced transition to another high-field SC state, emerges from an unknown ordered state below…

I present the results of first principles calculations of the electronic structure and magnetic interactions for the recently discovered superconductor YFe$_2$Ge$_2$ and use them to identify the nature of superconductivity and quantum…

Superconductivity · Physics 2014-01-22 Alaska Subedi

Superconductivity in FeSe is strongly enhanced under applied pressure and it is proposed to emerge from anomalously coupled structural and magnetic phases. Small impurities inside the Fe plane can strongly disrupt the pair formation in FeSe…

Superconductivity · Physics 2022-12-13 Z. Zajicek , S. J. Singh , A. I. Coldea

Motivated by recent experimental study of antiferromagnetic property of honeycomb compound In$_{3}$Cu$_{2}$VO$_{9}$ [Yan \textit{et al.}, PRB \textbf{85}, 085102 (2012)], we explore possible superconductivity and its coexistence with…

Superconductivity · Physics 2015-01-29 Yin Zhong , Lan Zhang , Han-Tao Lu , Hong-Gang Luo

This article explores the deep interconnections among three seemingly unrelated concepts in condensed matter physics: electronic liquid crystal phases, multipole expansions, and altermagnetism. At the heart of these phenomena lies a shared…

Superconductivity · Physics 2025-10-13 Zhao Liu , Hui Hu , Xia-Ji Liu

The interplay between superconductivity and ferromagnetism has long been pursued as a route to unconventional Josephson effects, yet suitable material platforms remain limited. Here we report Josephson junctions based on epitaxial…

Measurements of the de Haas - van Alphen effect have been carried out on the heavy fermion anti-ferromagnet CeRhIn5 at temperatures between 25 mK and 500 mK under pressure. We present some preliminary results of our measurements to track…

Strongly Correlated Electrons · Physics 2009-11-07 Donavan Hall , S. W. Tozer , E. C. Palm , T. P. Murphy , R. G. Goodrich , J. L. Sarrao

Interplay between antiferromagnetism and superconductivity is studied by using the 3-dimensional nearly half-filled Hubbard model with anisotropic transfer matrices $t_{\rm z}$ and $t_{\perp}$. The phase diagrams are calculated for varying…

Superconductivity · Physics 2009-11-07 Tetsuya Takimoto , Toru Moriya
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