نتایج جستجو برای: umklapp process
تعداد نتایج: 1312539 فیلتر نتایج به سال:
We study phenomena driven by electron-electron interactions in the minimally twisted bilayer graphene (mTBLG) with a perpendicular electric field. The low-energy degrees of freedom mTBLG are governed network one-dimensional domain-wall states, described two channels linearly dispersing spin-1/2 fermions. show that interaction can realize spin-gapped inter-channel charge density wave (CDW) state...
E. Boulat,1,2 P. Mehta,2 N. Andrei,2 E. Shimshoni,3 and A. Rosch4 1Laboratoire MPQ, CNRS, Université Paris Diderot, 75205 Paris Cedex 13, France 2Center for Material Theory, Rutgers University, Piscataway, New Jersey 08854, USA 3Department of Math-Physics, University of Haifa at Oranim, Tivon 36006, Israel 4Institute for Theoretical Physics, University of Cologne, 50937 Cologne, Germany Receive...
We report a comparison of high resolution inelastic x-ray Brillouin scattering to coherent inelastic neutron scattering for amorphous deuterated polybutadiene, done for one temperature in the glass phase and another one in the melt. The x-ray scattering proves to be by far the better technique for such a polymer within its present resolution bounds. The neutron scattering allows one to extend t...
this study considers the level of increase in customer satisfaction by supplying the variant customer requirements with respect to organizational restrictions. in this regard, anp, qfd and bgp techniques are used in a fuzzy set and a model is proposed in order to help the organization optimize the multi-objective decision-making process. the prioritization of technical attributes is the result ...
Dirac semimetals (DSMs) are three-dimensional analogue to graphene with symmetry enforced bulk nodes. Among various DSMs, ZrSiS has attracted great interests recently, due its three dimensional nodal line protected by the nonsymmorphic symmetry. It belongs a large family of isostructural compounds rich quantum phenomenon. Here we present comprehensive study first principle calculation, angle-re...
Magic-angle twisted bilayer graphene exhibits a panoply of many-body phenomena that are intimately tied to the appearance narrow and well-isolated electronic bands. The microscopic ingredients responsible for complex experimental phenomenology include electron-electron (phonon) interactions non-trivial Bloch wavefunctions associated with Inspired by recent experiments, we focus on two independe...
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