Incommensurate spin density wave
WebFeb 17, 2006 · Recent ab initio calculations have shown that the theory of the spin density wave (SDW) based on the nesting property of the chromium Fermi surface is not able to explain solely the stability of the incommensurate SDW. Using the model Hamiltonian approach, we develop a method which allows self-consistent calculation of SDWs with … WebNov 21, 2024 · 该工作以“Real-space observation of incommensurate spin density wave and coexisting charge density wave on Cr (001) surface ...
Incommensurate spin density wave
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WebDec 11, 2024 · In the metallic magnet Nb 1 − y Fe 2 + y, the low temperature threshold of ferromagnetism can be investigated by varying the Fe excess y within a narrow … WebFeb 18, 2016 · The inverse of the spin-density and superconductivity correlation functions normalized to their value at ω 0 = 0.1 is shown in Fig. 2 for various values of α. The …
WebJan 21, 2024 · In itinerant magnetic systems, a spin density wave (SDW) state can be induced by Fermi surface nesting and electron-electron interaction. It may intertwine with … WebApr 4, 2024 · In particular, a spin density wave (SDW) is present in La cuprates that is absent in YBCO and Bi cuprates, ... W. L. McMillan, Theory of discommensurations and the …
WebApr 14, 2024 · Charge and spin density waves are typical symmetry broken states of quasi one-dimensional electronic systems. They demonstrate such common features of all … WebIncommensurate spin-density wave and magnetic lock-in transition inCaFe4As3
WebMay 1, 2010 · @article{osti_982678, title = {Incommensurate spin-density wave and magnetic lock-in transition in CaFe{sub 4}As{sub 3}.}, author = {Manuel, P and Chapon, L C and Todorov, I S and Chung, D Y and Castellan, J -P and Rosenkranz, S and Osborn, R and Toledano, P and Kanatzidis, M G and Materials Science Division and Rutherford Appleton …
WebApr 11, 2024 · Here we explore a series of metallic charge- and spin-density-wave systems that exhibit extremely large positive linear MR. By contrast to other linear MR mechanisms, this effect remains robust down to miniscule magnetic fields of tens of Oersted at low temperature. ... All of the SDW and CDW ordering wave vectors are incommensurate: Q ∼ … ray towryWebFeb 11, 2013 · Spin states with long-range incommensurate magnetic order may be stabilized by itinerant electrons through two distinct mechanisms. If the Fermi surface has well-nested regions, the itinerant electrons themselves typically become unstable toward the formation of a spin-density wave (SDW) ().A prominent example of this class of materials … simply owners norfolkWebMar 27, 2024 · Introduction. Incommensurate spin-density wave (ISDW) phases have long been known to be generated from paramagnetic (PM) metals either through a Fermi … ray tpn figureWebThis article is published in Physical Review B.The article was published on 2005-01-12. It has received 7 citation(s) till now. The article focuses on the topic(s): Chromium & Transition metal. ray tpn cryingWebFeb 29, 2016 · The data reveal the presence of a longitudinal incommensurate spin-density wave (SDW) in the temperature range of T C < T < T N. The propagation vector q ∼ ( 0 , 0 , 0.148 ) is nearly temperature independent in this region and discontinuously locks into q = … ray tpn headcanonsWebresolved incommensurate orders of the CDW in NbSe 2 and the SDW in Cr, we examine the fundamental physics of density wave formation approaching a pressure-driven critical point. We find that an itinerant electron instability plays a dominant role when the order parameter forms, taking on a pure sinusoidal shape ray tpn wallpaper for laptopWebFeb 10, 2024 · A common element of strongly correlated materials is the existence of several nearly degenerate states, which compete or cooperate to produce novel phases of matter ().For example, in the high-temperature (high-T c) superconducting cuprates, multiple theoretical studies and experiments point to intertwined orders of spin and charge stripes, … raytown westlake