Fizik Bölümü Koleksiyonu: Recent submissions
Now showing items 1-20 of 39
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Single-lined eclipsing binaries with δ Scuti components: GQ Dra, RR Lep, and TYC 683-640-1
(Oxford University Press, 2024)Eclipsing binaries with (a) pulsating component(s) are remarkable objects to investigate the evolution and structure of stellar systems. Detailed studies of such systems are also important to reveal their pulsation properties. ... -
Moller energy momentum distribution for higher dimensional Morris Thorne wormhole
(Elsevier B.V., 2024)In this study, Møller energy momentum distribution is investigated for the higher dimensional Morris Thorne wormhole (MTW) in general relativity theory (GR) and results are given for the MTW in (4+1) and (5+1) dimensions. ... -
Scalar field in unimodular f(R, T) theory
(Springer, 2024)In this paper, we are fundamentally interested in minimally coupled scalar field as source of unimodular Friedmann–Robertson–Walker (FRW) spacetime. We obtain dynamical quantities related with scalar field in FRW cosmologies ... -
Domain wall with quark matters cosmological models in f(R,T) theory
(Springer, 2024)In this article, Ruban universe has been investigated in presence strange quark matter and normal matter coupled with domain wall for f(R, T) alternative gravitation theory. One of the classifying of f(R, T) has been used ... -
The First Multiband Photometric Light Curve Solutions of the V Gru Binary System from the Southern Hemisphere
(Institute of Physics, 2023)The first multiband photometric solutions of the short-period V Gru eclipsing binary from the southern hemisphere are presented in this study. Light curves of the system were observed through BVI filters at the Congarinni ... -
First Detailed Photometric Investigation on the Nature of Contact Binary System AA Cet
(Institute of Physics, 2023)The TESS light curve (LC) of the marginal contact binary AA Cet was analyzed simultaneously with the radial velocity and the orbital period (OP) change of the system was investigated. The physical parameters of the system ... -
Comprehensive spectroscopic and photometric study of pulsating eclipsing binary star AI Hya
(Oxford University Press, 2023)The pulsating eclipsing binaries are remarkable systems that provide an opportunity to probe the stellar interior and to determine the fundamental stellar parameters precisely. Especially the detached eclipsing binary ... -
First photometric study of three eclipsing binary star systems: V495 Aur, V589 Aur and V478 Cam
(Elsevier B.V., 2023)The light curve solutions and orbital period analysis of V495 Aur, V589 Aur and V478 Cam eclipsing binary star systems are presented for the first time in this study. Transiting Exoplanet Survey Satellite (TESS) observations ... -
Semi-detached Algol type binaries with increasing orbital periods: Case studies of BD Vir, BO Gem, DG Lac, RW Cet, and RX Hya
(Elsevier B.V., 2023)This paper presents results from photometric investigations of five semi-detached binaries. Using the TESS and KEPLER (K2) databases, light curves of classical Algol systems BD Vir, BO Gem, DG Lac, RW Cet, and RX Hya were ... -
Generalized complete orthonormal sets of Exponential-Type functions
(Elsevier B.V., 2023)New generalized complete orthonormal sets of ψα-exponential type functions are described and applied to LCAO calculations for the total energies of atomic systems within the framework of the minimal basis sets approximation ... -
Investigation of the teleparallel energy momentum problem for Texture metric
(Elsevier B.V., 2023)In this paper we have investigated Einstein (E), Bergmann–Thomson (BT) and Landau–Lifshitz (LL) energy–momentum distributions for Texture metric in Teleparallel gravitation (TG) theory. Although these energy–momentum ... -
Applicability of noninteger bessel type orbital basis sets: numerical and analytical approaches
(Springer Science and Business Media Deutschland GmbH, 2023)Recently, usefulness of the noninteger principal quantum numbers for Bessel type orbitals was discussed by Weniger in (Adv Quant Chem 83:209–237, 2021). In this study, we analyzed the applicability and numerical accuracy ... -
Possible optical counterparts of ULXs in NGC 1672
(John Wiley and Sons Inc, 2023)In this study, we use archival data from Hubble Space Telescope (HST), Chandra, XMM-Newton, and Swift-XRT, to probe the nature of 9 (X1-X9) candidate ultraluminous X-ray sources (ULXs) in NGC 1672. Our study focuses on ... -
An Improved Method for Determination of Refractive Index of Dielectric Films from Reflectance Spectrum by Using the Generalized Morse Wavelet
(Sciendo, 2021)The Generalized Morse Wavelet (GMW) algorithm was adapted to determine the refractive index of dielectric film from the reflectance spectrum. A theoretically generated reflectance spectrum in the range of 300-1200 nm ... -
Photometric and period analysis of the eclipsing binary system V2783 Ori
(Astronomical Institute, Slovak Academy of Sciences, 2021)In this study we performed the first detailed photometric and period analysis of the recently discovered eclipsing binary star V2783 Ori. The analysis of the light curve has shown that the system is in a detached configuration, ... -
Achieving Predictive Description of Negative Differential Resistance in Molecular Junctions Using a Range-Separated Hybrid Functional
(Wiley-VCH Verlag, 2021)Range-separated hybrid (RSH) functionals have been recently used to overcome the tendency of traditional density functional theory (DFT) calculations to overestimate the conductance of molecular junctions. Non-equilibrium ... -
CTRAMER: An open-source software package for correlating interfacial charge transfer rate constants with donor/acceptor geometries in organic photovoltaic materials
(American Institute of Physics Inc., 2021)In this paper, we present CTRAMER (Charge-Transfer RAtes from Molecular dynamics, Electronic structure, and Rate theory)-an open-source software package for calculating interfacial charge-transfer (CT) rate constants in ... -
Application of quantum self-frictional nonperturbative theory for the study of atomic anharmonic oscillator potentials and their arbitrary derivatives
(Springer, 2021)The self-frictional (SF) nonperturbative theory, introduced by one of the authors, is used for the evaluation of the V-(pl*()) and V-(alpha*) atomic anharmonic oscillator potentials and their derivatives, where p(l)* = 2l ... -
Catalog of W UMa type binary systems with additional components based on eclipsing time variations
(Elsevier B.V., 2022)A catalog of W UMa type eclipsing binary systems with tertiary components based on eclipse timing diagrams is presented listing the physical and orbital parameters (including third body parameters) of 150 W UMa type eclipsing ... -
Optical counterparts of ULXs in two dwarf galaxies: NGC 4861 and NGC 4449
(Oxford University Press, 2021)We present the results of a search for optical candidates of ultraluminous X-ray sources (ULXs) in two dwarf galaxies, NGC 4861 and NGC 4449, using Hubble Space Telescope (HST) archival data. With precise astrometry, we ...
