Metrikler
Yayın
23
Açık Erişim
7
BM Sürdürülebilir Kalkınma Amaçları
Eğitim Bilgileri
1986 - 1991
1986 - 1991Doktora
Hacettepe Üniversitesi, Mühendislik Fakültesi, Fizik Mühendisliği Bölümü, Türkiye
1983 - 1985
1983 - 1985Yüksek Lisans
Ankara Üniversitesi, Fen Bilimleri Enstitüsü, Fizik (Dr), Türkiye
1979 - 1983
1979 - 1983Lisans
Ankara Üniversitesi, Mühendislik Fakültesi, Fizik Mühendisliği Bölümü, Türkiye
Yabancı Diller
B2 Orta Üstü
B2 Orta Üstüİngilizce
Araştırma Alanları
Temel Bilimler
Akademik Faaliyetlere Dayalı Araştırma Alanları
Avesis Araştırma Alanları
WoS Araştırma Alanları
Scopus Araştırma Alanları
Akademik Ünvanlar / Görevler
2021 - Devam Ediyor
2021 - Devam EdiyorProf. Dr.
Hacettepe Üniversitesi, Mühendislik Fakültesi, Fizik Mühendisliği Bölümü
2007 - Devam Ediyor
2007 - Devam EdiyorDoç. Dr.
Hacettepe Üniversitesi, Mühendislik Fakültesi, Fizik Mühendisliği Bölümü
1993 - 2007
1993 - 2007Yrd. Doç. Dr.
Hacettepe Üniversitesi, Mühendislik Fakültesi, Fizik Mühendisliği Bölümü
Akademi Dışı Deneyim
1985 - 1993
1985 - 1993Araştırma Görevlisi
Hacettepe Üniversitesi, Araştırma Görevlisi
Makaleler
Tümü (21)
SCI-E, SSCI, AHCI (19)
SCI-E, SSCI, AHCI, ESCI (19)
Scopus (20)
2021
20211. Re-evaluation of dlk of the normalised Friedmann-Lemaitre-Robertson-Walker model: Implications for Hubble constant determinations
ÖZTAŞ A. M., Smith M. L.
NEW ASTRONOMY
, cilt.88, 2021 (SCI-Expanded, Scopus)
2021
20212. Cosmic future of universe inferred from the horizon behaviours in Lambda proportional to a(-2), Lambda proportional to H-2, Lambda proportional to rho cosmological constant models
ÖZTAŞ A. M., Dil E., Tufekci O.
JOURNAL OF ASTROPHYSICS AND ASTRONOMY
, cilt.42, sa.2, 2021 (SCI-Expanded, Scopus)
2021
20213. Entropic source of cosmological constant and implications: Generalization to higher dimensions
ÖZTAŞ A. M., Dil E.
PHYSICS OF THE DARK UNIVERSE
, cilt.31, 2021 (SCI-Expanded, Scopus)
2020
20204. Testing adiabatic expansion of polytropic universe model with SNe Ia data
Dil E., ÖZTAŞ A. M., Dil E.
PHYSICA SCRIPTA
, cilt.95, sa.6, 2020 (SCI-Expanded, Scopus)
2019
20195. The varying cosmological constant models tested with Supernovae Type Ia and HII Galaxy Data
Dil E., ÖZTAŞ A. M., Dil E.
ASTRONOMY AND COMPUTING
, cilt.28, 2019 (SCI-Expanded, Scopus)
2018
20186. The effects of a varying cosmological constant on the particle horizon
ÖZTAŞ A. M.
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
, cilt.481, sa.2, ss.2228-2234, 2018 (SCI-Expanded, Scopus)
2018
20187. The varying cosmological constant: a new approximation to the Friedmann equations and universe model
ÖZTAŞ A. M., Dil E., Smith M. L.
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
, cilt.476, sa.1, ss.451-458, 2018 (SCI-Expanded, Scopus)
2015
20158. Space-time curvature and the cosmic horizon: derivations using the Newtonian world and the Friedmann-Robertson-Walker metric
ÖZTAŞ A. M., Smith M. L.
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
, cilt.449, sa.2, ss.1270-1274, 2015 (SCI-Expanded, Scopus)
2014
20149. The Cosmological Constant Constrained with Union2.1 Supernovae Type Ia Data Derivation and Evaluation of Several FRW and Carmeli Models Presenting Underwhelming Support for the Standard Model
ÖZTAŞ A. M., Smith M. L.
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS
, cilt.53, sa.8, ss.2636-2661, 2014 (SCI-Expanded, Scopus)
2011
201110. Is the possible fine-structure constant drift also a test of a time-dependent Planck constant?
ÖZTAŞ A. M., Smith M. L.
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
, cilt.54, sa.12, ss.2191-2195, 2011 (SCI-Expanded, Scopus)
2010
201011. CONSTRAINTS ON DARK ENERGY AND DARK MATTER FROM SUPERNOVAE AND GAMMA RAY BURST DATA
Smith M. L., Sekaran B., ÖZTAŞ A. M., Paul J.
DARK ENERGY: THEORIES, DEVELOPMENTS AND IMPLICATIONS
, ss.111-126, 2010 (SCI-Expanded)
2008
200812. Spacetime curvature is important for cosmology constrained with supernova emissions
Oeztas A. M., Smith M. L., Paul J.
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS
, cilt.47, sa.9, ss.2464-2478, 2008 (SCI-Expanded, Scopus)
2008
200813. Epochs of discontinuity for the standard model of cosmology with supernovae observational data
Smith M. L., ÖZTAŞ A. M.
Advanced Studies in Theoretical Physics
, cilt.2, sa.1, ss.1-10, 2008 (Scopus)
2007
200714. Estimation of redshifts from early galaxies
Smith M. L., ÖZTAŞ A. M., Paul J.
Annales de la Fondation Louis de Broglie
, cilt.32, sa.1, ss.61-67, 2007 (Scopus)
2006
200615. A model of light from ancient blue emissions
Smith M. L., Oztas A. M., Paul J.
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS
, cilt.45, sa.5, ss.937-952, 2006 (SCI-Expanded, Scopus)
2006
200616. Elliptical solutions to the standard cosmology model with realistic values of matter density
Oztas A. M., Smith M. L.
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS
, cilt.45, sa.5, ss.925-936, 2006 (SCI-Expanded, Scopus)
2006
200617. Condition for gapless color-antitriplet excitations in Nambu-Jona-Lasinio models
Sandin F., Oztas A. M.
PHYSICAL REVIEW C
, cilt.73, sa.3, 2006 (SCI-Expanded, Scopus)
2005
200518. Phase diagram of three-flavor quark matter under compact star constraints
Blaschke D., Fredriksson S., Grigorian H., Oztas A. M., Sandin F.
PHYSICAL REVIEW D
, cilt.72, sa.6, 2005 (SCI-Expanded, Scopus)
2004
200419. Diquark condensation effects on hot quark star configurations
Blaschke D., Fredriksson S., Grigorian H., Oztas A. M.
NUCLEAR PHYSICS A
, cilt.736, ss.203-219, 2004 (SCI-Expanded, Scopus)
2000
200020. The low-temperature phase of the Heisenberg antiferromagnet in a fermionic representation
Azakov S., Dilaver M., Oztas A. M.
INTERNATIONAL JOURNAL OF MODERN PHYSICS B
, cilt.14, sa.1, ss.13-28, 2000 (SCI-Expanded, Scopus)
1994
199421. PHASE-TRANSITION IN FINITE-TEMPERATURE STRING THEORIES
OZTAS A. M., GUNDUC Y., CELIK T.
ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS
, cilt.63, sa.4, ss.655-657, 1994 (SCI-Expanded, Scopus)
Kitaplar
2011
20111. Constraints on Dark Energy and Dark Matter from Supernovaeand Gamma Ray Burst Data
SMITH M., SAKARAN B., ÖZTAŞ A. M., PAUL J.
DARK ENERGY THEORIES DEVELOPMENTS AND IMPLICATIONS, KARL LEFEBVRE, RAOUL GARCIA, Editör, NOVA Science Publishers, Inc., New-York, ss.111-126, 2011
2010
20102. A Polytropic Solution ofthe Expanding Universe – ConstrainingRelativistic and Non-Relativistic MatterDensities Using Astronomical Results
ÖZTAŞ A. M., ML S.
Aspects of Today s Cosmology, Antonio Alfonso-Faus, Editör, IN TECH, Rijeka, ss.285-304, 2010