نتایج جستجو برای: mnsi
تعداد نتایج: 260 فیلتر نتایج به سال:
Topological objects of intricate structures have been found in a wide range of systems, like cosmology to liquid crystal1, DNA chains2, superfluid 3He (Ref. 3), quantum Hall magnets4,5, Bose-Einstein condensates6 etc. The topological spin texture in helical magnets, observed in recently7,8, makes a new entry into this fascinating phenomenon. The unusual magnetic behaviour of helimagnet MnSi, no...
– In metallic magnets like MnSi the interplay of two very weak spin-orbit coupling effects can strongly modify the Fermi surface. In the absence of inversion symmetry even a very small Dzyaloshinsky-Moriya interaction of strength δ ≪ 1 distorts a ferromagnetic state into a chiral helix with a long pitch of order 1/δ. We show that additional small spin-orbit coupling terms of order δ in the band...
A careful study of thermodynamic and transport properties of a high-quality single crystal of MnSi at ambient pressure suggests that its transition to a helical magnetic state near 29 K is weakly first order. The heat capacity, temperature derivative of resistivity, thermal expansion, and magnetic susceptibility exhibit a specific structure around the phase transition point, interpreted as a co...
BACKGROUND Almost half of Diabetic Peripheral Neuropathies (DPNs) are symptom-free. Methods including questionnaires and electrodiagnosis (EDx) can be fruitful for easy reach to early diagnosis, correct treatments of diabetic neuropathy, and so decline of complications for instance diabetic foot ulcer and prevention of high costs. The goal of our study was to compare effectiveness of the Michig...
OBJECTIVE Our aim was to estimate the prevalence of distal chronic pain with neuropathic characteristics in patients with type 1 and type 2 diabetes mellitus and its impact on quality of life, mood, anxiety, sleep and healthcare utilization. METHODS In total, 885 patients were screened and 766 diabetic patients (38.7% with type 1 diabetes mellitus, 44.8% women, mean age: 57.2 ± 14.9 years) we...
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