نتایج جستجو برای: dirac statistic
تعداد نتایج: 38182 فیلتر نتایج به سال:
In this paper, the long-range Van Der Walls dispersion force correction (vdW-DF) for a combined system consisting of an Ag-chain adsorbed on a monolayer of graphene is studied. Calculations are based on density functional theory (DFT) performed by using various LDA, PBE and BLYP approximations. Since Ag chain is weakly adsorbed on graphene sheet, the Van Der Waals contribution to the total adso...
In this paper the Klein-Gordon and the Dirac Oscillators in a non-commutative space and in a constant magnetic field are investigated. It is shown that for a specific value of the magnetic field, one may map these oscillators from a non-commutative space to a commutative space.
A saddle point variational (SPV ) method was applied to the Dirac equation as an example of a fully relativistic equation with both negative and positive energy solutions. The effect of the negative energy states was mitigated by maximizing the energy with respect to a relevant parameter while at the same time minimizing it with respect to another parameter in the wave function. The Cornell pot...
مقدمه بسی جای شگفتی است که تعداد مقالات و تحقیقات مربوط به فیلم بسیارکم است زیراکه زبان آموزان علاقه بسیاری به یادگیری با فیلم ها دارند. در این پایان نامه سعی شده است که به بررسی یادگیری شنوایی بهتردر دانش اموزان پرداخته شود اما این بار با ابزاری متفاوت که همان لغات پرتکرار فیلم هاست که توسط نرم افزاری که بدین منظور طراحی شده به دست می آیند. طرح مسئله مدرسین معمولا علاقه ای به استفاده و بکا...
in some quality control applications, the quality of a process or a product is described by the relationship between a response variable and one or more explanatory variables, called a profile. moreover, in most practical applications, the qualitative characteristic of a product/service is vague, uncertain and linguistic and cannot be precisely stated. the purpose of this paper is to propose a ...
We prove that the massless Dirac operator in R with long-range potential has an a.c. spectrum which fills the whole real line. The Dirac operators with matrix-valued potentials are considered as well.
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