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Probing the pathway of an ultrafast structural phase transition to illuminate the transition mechanism in Cu2S
Junjie Li, Kai Sun, Jun Li +17
Disentangling the primary order parameter from secondary order parameters in phase transitions is critical to the interpretation of the transition mechanisms in strongly correlated…
Low Temperature Structural Phase Transition in the Perovskite Ba2CaMoO6
Loi T. Nguyen, Robert J. Cava, Allyson M. Fry-Petit
Ba2CaMoO6 was synthesized by solid state method. The crystal structure adopts cubic Fm-3m space group at room temperature with lattice parameters of 8.378231(5) {angstroms}. Upon c…
Ultrafast broadband optical spectroscopy for quantifying subpicometric coherent atomic displacements in
Davide Soranzio, Maria Peressi, Robert J. Cava +2
Here we show how time-resolved broadband optical spectroscopy can be used to quantify, with femtometer resolution, the oscillation amplitudes of coherent phonons through a displaci…
Landau Quantization and Highly Mobile Fermions in an Insulator
Pengjie Wang, Guo Yu, Yanyu Jia +9
In strongly correlated materials, quasiparticle excitations can carry fractional quantum numbers. An intriguing possibility is the formation of fractionalized, charge-neutral fermi…
Duality and domain wall dynamics in a twisted Kitaev chain
C. M. Morris, Nisheeta Desai, J. Viirok +9
The Ising chain in transverse field is a paradigmatic model for a host of physical phenomena, including spontaneous symmetry breaking, topological defects, quantum criticality, and…
Structure, Magnetism and First Principles Modeling of the Na0.5La0.5RuO3 Perovskite
Loi T. Nguyen, Matthieu Saubanère, Robert J. Cava
High purity polycrystalline Na0.5La0.5RuO3 was synthesized by a solid state method, and its properties were studied by magnetic susceptibility, heat capacity and resistivity measur…