Quantum order-by-disorder in strongly correlated metals
Entropic forces in classical many-body systems, eg, colloidal suspensions, can lead to the
formation of new phases. Quantum fluctuations can have similar effects: spin fluctuations …
formation of new phases. Quantum fluctuations can have similar effects: spin fluctuations …
Electron spin resonance in strongly correlated metals
SV Demishev - Applied Magnetic Resonance, 2020 - Springer
Modern technique of electron spin resonance (ESR) measurements and data analysis in
strongly correlated metals, which allows finding the full set of spectroscopic parameters …
strongly correlated metals, which allows finding the full set of spectroscopic parameters …
Quantum order-by-disorder driven phase reconstruction in the vicinity of ferromagnetic quantum critical points
The formation of new phases close to itinerant electron quantum critical points has been
observed experimentally in many compounds. We present a unified analytical framework to …
observed experimentally in many compounds. We present a unified analytical framework to …
Multiple phases with a tricritical point and a Lifshitz point in the skyrmion host
Magnetic skyrmions, topologically stable spin swirling objects, have attracted a great interest
due to their potential applications in future spintronics and ultrahigh dense magnetic …
due to their potential applications in future spintronics and ultrahigh dense magnetic …
Hidden quantum phase transition in evidenced by small-angle neutron scattering
The magnetic system of the Mn 1− x Fe x Ge solid solution is ordered in a spiral spin
structure in the whole concentration range of x∈[0÷ 1]. The close inspection of the small …
structure in the whole concentration range of x∈[0÷ 1]. The close inspection of the small …
Restoration of quantum critical behavior by disorder in pressure-tuned (Mn, Fe) Si
T Goko, CJ Arguello, A Hamann, T Wolf, M Lee… - npj Quantum …, 2017 - nature.com
In second-order quantum phase transitions from magnetically ordered to paramagnetic
states at T= 0, tuned by pressure or chemical substitution, a quantum critical point is …
states at T= 0, tuned by pressure or chemical substitution, a quantum critical point is …
Scrutinizing Hall Effect in : Fermi Surface Evolution and Hidden Quantum Criticality
Separating between the ordinary Hall effect and anomalous Hall effect in the paramagnetic
phase of Mn 1-x Fe x Si reveals an ordinary Hall effect sign inversion associated with the …
phase of Mn 1-x Fe x Si reveals an ordinary Hall effect sign inversion associated with the …
Resummation of fluctuations near ferromagnetic quantum critical points
We present a detailed analysis of the nonanalytic structure of the free energy for the itinerant
ferromagnet near the quantum critical point in two and three dimensions. We analyze a …
ferromagnet near the quantum critical point in two and three dimensions. We analyze a …
Spin-wave stiffness in the Dzyaloshinskii-Moriya helimagnets
SV Grigoriev, EV Altynbaev, SA Siegfried… - Physical Review B, 2018 - APS
The small-angle neutron scattering is used to measure the spin-wave stiffness in the field-
polarized state of the Dzyaloshinskii-Moriya helimagnets Mn 1− x Fe x Si with x= 0.03, 0.06 …
polarized state of the Dzyaloshinskii-Moriya helimagnets Mn 1− x Fe x Si with x= 0.03, 0.06 …
Fluctuation-driven magnetic hard-axis ordering in metallic ferromagnets
We demonstrate that the interplay between soft electronic particle-hole fluctuations and
magnetic anisotropies can drive ferromagnetic moments to point along a magnetic hard axis …
magnetic anisotropies can drive ferromagnetic moments to point along a magnetic hard axis …