scholarly journals Magneto-acoustic study near the quantum critical point of the frustrated quantum antiferromagnet Cs2CuCl4

2016 ◽  
Vol 120 (14) ◽  
pp. 142113 ◽  
Author(s):  
P. T. Cong ◽  
L. Postulka ◽  
B. Wolf ◽  
N. van Well ◽  
F. Ritter ◽  
...  
Keyword(s):  
Critical Point ◽  
Quantum Critical Point ◽  
Acoustic Study ◽  
Quantum Critical ◽  
Quantum Antiferromagnet

scholarly journals Higgs amplitude mode in a two-dimensional quantum antiferromagnet near the quantum critical point

2017 ◽  
Vol 13 (7) ◽  
pp. 638-642 ◽  
Author(s):  
Tao Hong ◽  
Masashige Matsumoto ◽  
Yiming Qiu ◽  
Wangchun Chen ◽  
Thomas R. Gentile ◽  
...  
Keyword(s):  
Critical Point ◽  
Quantum Critical Point ◽  
Two Dimensional ◽  
Quantum Critical ◽  
Amplitude Mode ◽  
Quantum Antiferromagnet

scholarly journals Tuning the charge density wave quantum critical point and the appearance of superconductivity in TiSe2

2021 ◽  
Vol 3 (3) ◽  
Author(s):  
Sangyun Lee ◽  
Tae Beom Park ◽  
Jihyun Kim ◽  
Soon-Gil Jung ◽  
Won Kyung Seong ◽  
...  
Keyword(s):  
Charge Density ◽  
Critical Point ◽  
Charge Density Wave ◽  
Density Wave ◽  
Quantum Critical Point ◽  
Quantum Critical

scholarly journals Lattice-shifted nematic quantum critical point in FeSe1−xSx

2021 ◽  
Vol 6 (1) ◽  
Author(s):  
S. Chibani ◽  
D. Farina ◽  
P. Massat ◽  
M. Cazayous ◽  
A. Sacuto ◽  
...  
Keyword(s):  
Transition Temperature ◽  
Critical Point ◽  
Degrees Of Freedom ◽  
Quantum Critical Point ◽  
Substantial Effect ◽  
Low Energy ◽  
Elastic Coupling ◽  
Superconducting Transition ◽  
Local Moments ◽  
Quantum Critical

AbstractWe report the evolution of nematic fluctuations in FeSe1−xSx single crystals as a function of Sulfur content x across the nematic quantum critical point (QCP) xc ~ 0.17 via Raman scattering. The Raman spectra in the B1g nematic channel consist of two components, but only the low energy one displays clear fingerprints of critical behavior and is attributed to itinerant carriers. Curie–Weiss analysis of the associated nematic susceptibility indicates a substantial effect of nemato-elastic coupling, which shifts the location of the nematic QCP. We argue that this lattice-induced shift likely explains the absence of any enhancement of the superconducting transition temperature at the QCP. The presence of two components in the nematic fluctuations spectrum is attributed to the dual aspect of electronic degrees of freedom in Hund’s metals, with both itinerant carriers and local moments contributing to the nematic susceptibility.

scholarly journals Avoided ferromagnetic quantum critical point in pressurized La5Co2Ge3

2021 ◽  
Vol 103 (5) ◽  
Author(s):  
Li Xiang ◽  
Elena Gati ◽  
Sergey L. Bud'ko ◽  
Scott M. Saunders ◽  
Paul C. Canfield
Keyword(s):  
Critical Point ◽  
Quantum Critical Point ◽  
Quantum Critical

scholarly journals Multiband nodeless superconductivity near the charge-density-wave quantum critical point in ZrTe 3− x Se x

2016 ◽  
Vol 25 (7) ◽  
pp. 077403
Author(s):  
Shan Cui ◽  
Lan-Po He ◽  
Xiao-Chen Hong ◽  
Xiang-De Zhu ◽  
Cedomir Petrovic ◽  
...  
Keyword(s):  
Charge Density ◽  
Critical Point ◽  
Charge Density Wave ◽  
Density Wave ◽  
Quantum Critical Point ◽  
Quantum Critical

scholarly journals Thermal Conductivity through the Quantum Critical Point inYbRh2Si2at Very Low Temperature

2015 ◽  
Vol 115 (4) ◽  
Author(s):  
M. Taupin ◽  
G. Knebel ◽  
T. D. Matsuda ◽  
G. Lapertot ◽  
Y. Machida ◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Low Temperature ◽  
Critical Point ◽  
Quantum Critical Point ◽  
Quantum Critical ◽  
Very Low Temperature

Unconventional superconductivity near quantum critical point revealed by Co-NQR measurements on

2007 ◽  
Vol 68 (11) ◽  
pp. 2119-2123 ◽  
Author(s):  
Y. Ihara ◽  
H. Takeya ◽  
K. Ishida ◽  
C. Michioka ◽  
K. Yoshimura ◽  
...  
Keyword(s):  
Critical Point ◽  
Quantum Critical Point ◽  
Unconventional Superconductivity ◽  
Quantum Critical
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