Superconducting phases and quantum criticality in CeCu2Si2

G Sparn, O Stockert, FM Grosche, HQ Yuan… - Journal of Physics and …, 2006 - Elsevier
For the prototypical heavy-fermion (HF) metal CeCu2Si2 superconductivity extends to
surprisingly high pressures (P> 10GPa), quite different from other Ce-based HF …

Interplay between unconventional superconductivity and heavy-fermion quantum criticality: CeCu2Si2 versus YbRh2Si2

M Smidman, O Stockert, J Arndt, GM Pang… - Philosophical …, 2018 - Taylor & Francis
In this paper the low-temperature properties of two isostructural canonical heavy-fermion
compounds are contrasted with regards to the interplay between antiferromagnetic (AF) …

Twenty-five years of heavy-fermion superconductivity

F Steglich - Physica B: Condensed Matter, 2005 - Elsevier
We discuss first the physical properties of the prototypical heavy-fermion superconductor
CeCu2Si2 and, second, the relationship of its superconductivity with both a spin-density …

Unconventional superconductivity and quantum criticality in pressurized CeCu2 (Si1− xGex) 2

HQ Yuan, F Steglich - Physica C: Superconductivity and its applications, 2007 - Elsevier
CeCu2Si2 plays a crucial role in studying heavy fermion superconductivity and related
phenomena. Both the superconducting and normal state properties support the existence of …

Proximity to valence transition in heavy fermion superconductor CeCu2Si2 under pressure

G Seyfarth, AS Rüetschi, K Sengupta… - Europhysics …, 2012 - iopscience.iop.org
The first heavy fermion superconductor CeCu 2 Si 2 is still only partially understood. At high
pressures, superconductivity is supposed to be mediated by a different mechanism than at …

CeCu2Si2 and YbRh2Si2: Strange Cases of Heavy-Fermion Superconductivity

ZY Shan, M Smidman, O Stockert, Y Liu… - Proceedings of the …, 2023 - journals.jps.jp
The heavy-fermion superconductor CeCu2Si2 exhibits two-band, d-wave superconductivity
with a finite energy gap over the whole Fermi surface around the magnetic instability where …

Absence of magnetic field effect on the cerium valence in at its optimum superconducting critical temperature

M Barbier, M Sundermann, A Poux, A Rogalev… - Physical Review B, 2021 - APS
The archetypical heavy-fermion superconductor Ce Cu 2 Si 2 is known to present two
distinct superconducting phases under pressure. In the low-pressure region, the …

Effect of impurity scattering on the superconductivity of CeCu2Si2

HQ Yuan, FM Grosche, M Deppe, C Geibel… - New Journal of …, 2004 - iopscience.iop.org
The archetypal heavy fermion superconductor CeCu 2 Si 2 exhibits an unusual pressure–
temperature (P–T) phase diagram, in which superconductivity survives over a broad region …

Pressure Tuning of the Interplay of Magnetism and Superconductivity in

E Lengyel, M Nicklas, HS Jeevan, C Geibel… - Physical Review Letters, 2011 - APS
We carried out specific-heat and ac-susceptibility experiments under hydrostatic pressure to
investigate the interplay of spin-density-wave antiferromagnetism (A) and superconductivity …

[HTML][HTML] Magnetically driven superconductivity in CeCu2Si2

O Stockert, J Arndt, E Faulhaber, C Geibel, HS Jeevan… - Nature Physics, 2011 - nature.com
The origin of unconventional superconductivity, including high-temperature and heavy-
fermion superconductivity, is still a matter of controversy. Spin excitations instead of phonons …