Quantum Valence Criticality as an Origin of Unconventional Critical Phenomena

Low-temperature magnetization of the quantum critical heavy fermion superconductor β-YbAlB4

(2010) Yosuke Matsumoto et al.   PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS

Strong Valence Fluctuation in the Quantum Critical Heavy Fermion Superconductorβ−YbAlB4: A Hard X-Ray Photoemission Study

(2010) M. Okawa et al.   PHYSICAL REVIEW LETTERS

Competition between valence and spin fluctuations in the vicinity of the quantum critical point of the heavy fermion compound YbAuCu4

(2008) S Wada et al.   JOURNAL OF PHYSICS-CONDENSED MATTER

YbRh2Si2: Quantum Tricritical Behavior in Itinerant Electron Systems

(2008) Takahiro Misawa et al.   JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN

Superconductivity and quantum criticality in the heavy-fermion system β-YbAlB4

(2008) S. Nakatsuji et al.   Nature Physics

Magnetic-Field Control of Quantum Critical Points of Valence Transition

(2008) Shinji Watanabe et al.   PHYSICAL REVIEW LETTERS