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40 papers · 2 filters
Polaron mobility in the "beyond quasiparticles" regime
Andrey S. Mishchenko, Lode Pollet, Nikolay V. Prokof'ev +3
In a number of physical situations, from polarons to Dirac liquids and to non-Fermi liquids, one encounters the "beyond quasiparticles" regime, in which the inelastic scattering ra…
Resistivity measurements unveil microscopic properties of CrAs
A. Nigro, P. Marra, C. Autieri +4
We report resistivity measurements of a CrAs single crystal in a wide temperature range, with the specific aim to assess the applicability of the Bloch-Gruneisen formula for electr…
Emergent charge order near the doping-induced Mott-insulating quantum phase transition in SrRuO
Justin Leshen, Mariam Kavai, Ioannis Giannakis +5
We investigate the double layered Sr(RuMn)O and its doping-induced quantum phase transition (QPT) from a metal to an antiferromagnetic (AFM) Mott in…
Out-of-time-ordered correlators of the Hubbard model: SYK strange metal in the spin freezing crossover region
Naoto Tsuji, Philipp Werner
The Sachdev-Ye-Kitaev (SYK) model describes a strange metal that shows peculiar non-Fermi liquid properties without quasiparticles. It exhibits a maximally chaotic behavior charact…
Skyrmion phase and competing magnetic orders on a breathing kagome lattice
Max Hirschberger, Taro Nakajima, Shang Gao +13
Magnetic skyrmion textures are realized mainly in non-centrosymmetric, e.g. chiral or polar, magnets. Extending the field to centrosymmetric bulk materials is a rewarding challenge…
Momentum-dependent relaxation dynamics of the doped repulsive Hubbard model
Sharareh Sayyad, Naoto Tsuji, Abolhassan Vaezi +3
We study the dynamical behavior of doped electronic systems subject to a global ramp of the repulsive Hubbard interaction. We start with formulating a real-time generalization of t…