30 اردیبهشت 1403

هومان مرادپور

مرتبه علمی: دانشیار
نشانی:
تحصیلات: دکترای تخصصی / فیزیک - گرانش، اخترفیزیک و کیهان شناسی
تلفن: -
دانشکده: مرکز تحقیقات نجوم و اختر فیزیک مراغه

مشخصات پژوهش

عنوان
Cosmological implications of scalar field dark energy models in f(T, T ) gravity
نوع پژوهش مقاله چاپ شده
کلیدواژه‌ها
Reconstruction scenario; scalar field models; f(T, T ) gravity.
سال
2017
مجله INTERNATIONAL JOURNAL OF GEOMETRIC METHODS IN MODERN PHYSICS
شناسه DOI DOI: 10.1142/S0219887818500639
پژوهشگران اینس گودونو سالاکو ، عبدل جواد ، هومان مرادپور

چکیده

After reviewing the f(T, T ) gravity, in which T is the torsion scalar and T is the trace of the energy-momentum tensor, we refer to two cosmological models of this theory in agreement with observational data. Thereinafter, we consider a flat Friedmann–Robertson– Walker (FRW) universe filled by a pressureless source and look at the terms other than the Einstein terms in the corresponding Friedmann equations, as the dark energy (DE) candidate. In addition, some cosmological features of models, including equation of states and deceleration parameters, are addressed helping us in getting the accelerated expansion of the universe in quintessence era. Finally, we extract the scalar field as well as potential of quintessence, tachyon, K-essence and dilatonic fields for both f(T, T ) models. It is observed that the dynamics of scalar field as well as the scalar potential of these models indicate an accelerated expanding universe in these models.