[PDF] Top 20 Spin Flip Scattering at Quantum Hall Transition

... assume spin-1/2 nuclei. In the absence of spin-flip scattering there are two Zeeman-split critical energies for each Landau level, where the QH delocalization transition takes ...the ... See full document

... The discovery of giant magnetoresistive (GMR) phe- nomena in the late 1980’s [1,2] was remarkable in its innovation which can be used as magnetoresistance sen- sor. It has led to the search for efficient and high density ... See full document

... SIA spin-splitting (see Section ...SIA spin-splitting - is outlined in Section ...obtain spin-split CRs, whose energy splitting increases with magnetic field as reported in Figure ...Rashba ... See full document

... The spin polarization of a fractional quantum Hall state shows very interesting ...fractional quantum Hall effect is caused by the Coulomb interaction because the 2D electron system ... See full document

... electron scattering rate used in the ...overall scattering rate required but also, since the dotted curve lies above the experimental points, a reduction of the ensemble scattering rate by at least a ... See full document

... four spin-conserving CR transitions are therefore allowed ( arrows in fi gure 5 ( a )) ...two spin-up to spin-up transitions in figure 5(d) (blue areas), differ in transition energy from the G = ... See full document

... Taken at face value, Eq.(9) implies a threshold disor- der strength at which the renormalized spin-stiffness is zero at zero frequency. We interpret this as indicative of a depolarization transition to a ... See full document

... [21], Hall effect, and thermoelectric power measurements with con- centration ...AFM transition temperature and ordered moment in BaðFe 1 - x Co x Þ 2 As 2 for ‘‘underdoped’’ samples ... See full document

... (27) where ˜ ǫ = (Ω+ ω/2)1+ (ω/2 +iδ)Λ and Λ is the diagonal supermatrix with elements ± 1 in the advanced/retarded sectors. As is usual in the derivation of the supersym- metric sigma model, we assume that ω ≪ Ω. ... See full document

... -dependent Hall slope, however, the importance of e-e interactions in the metallic regime can be demon- strated ...range scattering potential, SdH-type oscillations appear to span from the insulating to the ... See full document

... I-QH transition in our multi-layer graphene sample, magnetoplasmon modes as well as collective phenomena may need to be ...The spin effect should not be important in our system ...low-field Hall ... See full document

... What is the motion of a quasi-particle under an applied electrical field? At zero temperature, the quasi-particle moves perpendicular to the applied electric field and con- tributes to the Hall conductivity, but ... See full document

... relativistic spin one-half particles: the Lamehi-Rachti–Mittig (LRM) exper- iment [23] performed about thirty years ago in CEN-Saclay and two recent experiments: the first one given at the Kernfysisch Versneller ... See full document

... Keywords Euler Hydrodynamics, Quantum Hall Fluid, Vortex Dynamics, Fractional Quantum Hall Effect, Anomalous Viscosity, Hall Expansion Coefficient.. Introduction Graphene is a monolayer [r] ... See full document

... Nonequilibrium phase transitions have emerged as crit- ical phenomena that may underpin novel forms of univer- sality, departing significantly from transitions that are driven by thermal or quantum fluctuations ... See full document

... The aim of this paper is to verify the influence of quantum phase transition on entanglement of the quantum one-half spin Heisenberg model. This work is divided in the following way. In ... See full document

... the spin po- larization of the electric ...be spin-dependent, only electrons with one spin orienta- tion can reach the drain contact because their localiza- tion length is larger than the length of ... See full document

... asymmetric structure that the spin Hall effect is dominant for the current-induced switching in HM/FM structures. We also performed the current-induced switching of the magnetization in the presence of ... See full document

... The magnet/metal exchange coupling in the SMR theory is formulated in terms of the spin mixing conductance, which for magnetic insulators is dominated by the local moments directly at the interface [22]. We can ... See full document

... These involve the tip-to-sample coupling strength, the onsite energy of the localized impurity, the spin quantum number of the impurity, the exchange coupling between the local spins and[r] ... See full document