4 papers
Quantum Critical Scaling of Specific Heat in a Quasicrystal
A. Khansili, Y. -C. Huang, U. Häussermann +2
In strongly correlated systems, interactions give rise to critical fluctuations surrounding the quantum critical point (QCP) of a quantum phase transition. Quasicrystals allow the…
Precursor to Quantum Criticality in Ce-Au-Al Quasicrystal Approximants
A. Khansili, Y. -C. Huang, U. Häussermann +2
Rare-earth element containing aperiodic quasicrystals and their related periodic approximant crystals can exhibit non-trivial physical properties at low temperatures. Here, we inve…
Carrier density crossover and quasiparticle mass enhancement in a doped 5 Mott insulator
Yu-Te Hsu, Andreas Rydh, Maarten Berben +4
High-temperature superconductivity in cuprates emerges upon doping the parent Mott insulator. Robust signatures of the low-doped electronic state include a Hall carrier density tha…
Magnetic field as a dynamic energy scale in quantum-critical CeCoIn
A. Khansili, A. Bangura, R. D. McDonald +4
Whether magnetic field enters the quantum-critical dynamics as a competing energy scale in strange metals remains an open question. Using thermal impedance spectroscopy, we simulta…