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9 papers · 2 filters
Long-range order in quasi-one-dimensional conductors
S. N. Artemenko, Thomas Nattermann
We study formation of the charge-density wave long-range order in a system of repulsive 1D electrons coupled to 3D phonons. We show that the CDW can be stabilized by interaction wi…
Spontaneous symmetry breaking in a system of strongly interacting multicomponent fermions (electrons with spin and conducting nanotubes)
V. V. Afonin, V. L. Gurevich, V. Yu. Petrov
We have calculated the ground state wave functions for a systems of multicomponent interacting fermions. We show that it describes the state with spontaneously broken chiral symmet…
Doping-dependent evolution of low-energy excitations and quantum phase transitions within effective model for High-Tc copper oxides
M. M. Korshunov, S. G. Ovchinnikov
In this paper a mean-field theory for the spin-liquid paramagnetic non-superconducting phase of the p- and n-type High- cuprates is developed. This theory applied to the effec…
Anomalous asymmetry of magnetoresistance in NbSe single crystals
A. A. Sinchenko, Yu. I. Latyshev, A. P. Orlov +1
A pronounced asymmetry of magnetoresistance with respect to the magnetic field direction is observed for NbSe crystals placed in a magnetic field perpendicular to their conduct…
ESR Probing of Quantum Critical Phenomena in Doped S=1/2 AF Quantum Spin Chain
S. V. Demishev, A. V. Semeno, N. E. Sluchanko +4
The results of high frequency (60-315 GHz) studies of the ESR in CuGeO3 single crystals containing 0.9% of the Mn impurity are reported. The quantitative ESR line shape analysis sh…
High frequency study of the orbital ordering resonance in the strongly correlated heavy fermion metal CeB6
S. V. Demishev, A. V. Semeno, H. Ohta +4
We report results of the study of the recently discovered magnetic resonance in the orbitally ordered phase of CeB6 (the orbital ordering resonance) in a wide frequency range 44-36…