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15 papers · 1 filter
Sensitivity of anomalous Hall effect to disorder correlations
I. A. Ado, I. A. Dmitriev, P. M. Ostrovsky +1
Both longitudinal and anomalous Hall conductivity are computed in the model of two-dimensional Dirac fermions with a mass in the presence of arbitrary correlated weak disorder. The…
High resolution resonant inelastic EUV scattering from orbital excitations in a Heisenberg antiferromagnet
Antonio Caretta, Martina Dell'Angela, Yi-De Chuang +11
We report the high resolution resonant inelastic EUV scattering study of quantum Heisenberg antiferromagnet KCoF3. By tuning the EUV photon energy to cobalt M23 edge, a complete se…
Magnetic phase transitions and unusual antiferromagnetic states in the Hubbard model
M. A. Timirgazin, P. A. Igoshev, A. K. Arzhnikov +1
Ground state magnetic phase diagrams of the square and simple cubic lattices are investigated for the narrow band Hubbard model within the slave-boson approach by Kotliar and Rucke…
Flat Band in Disorder Driven Non-Hermitian Weyl Semimetals
A. A. Zyuzin, A. Yu. Zyuzin
We study the interplay of disorder and bandstructure topology in a Weyl semimetal with a tilted conical spectrum around the Weyl points. The spectrum of particles is given by the e…
Transversal magnetoresistance and Shubnikov-de Haas oscillations in Weyl semimetals
J. Klier, I. V. Gornyi, A. D. Mirlin
We explore theoretically the magnetoresistance of Weyl semimetals in transversal magnetic fields away from charge neutrality. The analysis within the self-consistent Born approxima…
Thermally driven inhibition of superconducting vortex avalanches
Antonio Lara, Farkhad G. Aliev, Victor V. Moshchalkov +1
Complex systems close to their critical state can exhibit abrupt transitions, avalanches, between their metastable states. It is a challenging task to understand the mechanism of t…