In this study, an approximate solution of the Schr?dinger equation for q-deformed Hulthen-quadratic exponential-type potential model within framework Nikiforov?Uvarov method was obtained. The bound state energy and corresponding eigenfunction spectrum is applied to study H2, HCl, CO LiH diatomic molecules. effect deformation parameters other on spectra system were graphically numerically analyz...

Keywords: Dirac equation Yukawa potential Coulomb-like tensor potential Spin and p-spin symmetry Nikiforov–Uvarov method a b s t r a c t This study presents the solutions of the Dirac equation with a new suggested Yukawa-type potential for any spin–orbit quantum number j interacting with a Coulomb-like tensor interaction. In the presence of spin and pseudospin (p-spin) symmetries, the approxima...

The dissociation of quarkonia in a thermal QCD medium the background Aharanov–Bohm (AB) and strong magnetic fields was investigated. For this purpose, Schrödinger equation with charged quarkonium Cornell potential under influence AB flux an external directed along z-axis employed. Using Nikiforov–Uvarov (NU) method, energy eigenvalue obtained. effects temperature, flux, field were studied. stud...

Accurate solution of the Schrödinger equation with Deng–Fan potential is presented by means Nikiforov–Uvarov method. A modified Pekeris-type approximation proposed for centrifugal term, from a linear combination r → 0 and re limits. It can potentially offer series approximations (depending on an adjustable parameter λ). The existing in literature then be recovered certain special cases. Its eff...

A graph G is called H-free, if it does not contain H as a subgraph. In 2010, Nikiforov proposed Brualdi-Solheid-Turán type problem: what the maximum spectral radius of an H-free order n? this paper, we consider problem for non-bipartite graphs. Let Ka,b•K3 denote obtained by identifying vertex Ka,b in part size b and K3. We prove that n satisfying ρ(G)≥ρ(K⌈n−22⌉,⌊n−22⌋•K3), then contains all od...

Nikiforov (2002) showed that if G is Kr+1-free then the spectral radius ?(G)?2m(1?1?r), which implies contains C3 ?(G)>m. In this paper, we follow direction in determining subgraphs will be contained ?(G)>f(m), where f(m)?m as m??. We first show ?(G)?m, K2,r+1 unless a star; and either C3+ or C4+ complete bipartite graph, Ct+ denotes graph obtained from Ct by identifying an edge. Secondly, prov...

Exact solutions of Schrödinger equation are obtained for PT-/non-PT-symmetric and non-Hermitian generalized Woods−Saxon potential to get the complex-valued energy eigenvalues and the corresponding eigenfunctions for the bound states. NikiforovUvarov method is used in the calculations. Results are expressed by means of the complex conjugate polynomials based on the PT−symmetric quantum mechanics...

اواسط شهریور 1401 و در نزدیکی ساحل ماسه‌ای رودخانۀ نکا شمال ایران، به روش تورزدن روی گل‌آذین بوته‌های کاهوک (.Lactuca serriola L) میان تمشک وحشی (.Rubus idaeus انار (.Punica granatum L)، نمونه‌ای جیرجیرک جمع‌آوری شد که بررسی توسط کلیدهای شناسایی شکل‌شناسی مقایسه با نمونه‌های از قبل تعیین نام شدۀ موزۀ حشرات هایک میرزایانس رکورد جدید جنس گونه را تایید کرد. این اولین گزارش گونۀ Arachnocephalus ves...

در صنعت پالایشگاه و پتروشیمی‌ها به دلیل وجود تجهیزات تمام فلزی محیط اسیدی خوردگیتنشی زیاد است با توجه افزایش کاربرد فولادهای زنگ نزن این صنایع پژوهش بررسی اثر ضربات امواج اولتراسونیک بر رفتار خوردگی فولاد 316 (S.S 316) می‌پردازیم. هدف از تأثیر روش تنش‌زدایی برافزایش مقاومت قطعات محیط‌های خورنده است. لازم ذکر که، تنش پسمان نمونه‌ها جوش‌کاری ایجادشده ابتدا نمونه مدنظر استفاده ارتعاش تحت فرکانس 20...