87 citations · 267 across the 16 of their papers we have counts for
17 papers
Revisiting the energy-momentum squared gravity
Mihai Marciu
In this paper we have revisited the energy-momentum squared gravity theory, by taking into account the second derivative of the matter Lagrangian with respect to the metric, encaps…
Dynamical interplay between coupled scalar dark sectors and gravity
Mihai Marciu
We explore a novel cosmological model based on coupled fields in the framework of scalar tensor theories, considering the specific interplay between gravity and scalar fields. The…
Matter--Geometry interplay in new scalar tensor theories of gravity
Mihai Marciu
The paper studies the possible interplay between matter and geometry in scalar tensor theories of gravitation where the energy--momentum tensor is directly coupled with the Einstei…
Observational constraints for cubic gravity theory based on third order contractions of the Riemann tensor
Mihai Marciu, Dana Maria Ioan, Mihai Dragomir
The paper studies different observational features in the case of a specific cubic gravity theory, based on third order contractions of the Riemann tensor. Considering viable cosmi…
The accelerated expansion in gravity
Mihai Marciu, Dana Maria Ioan
In the present manuscript the basic Einstein--Hilbert cosmological model is extended, by adding a new functional in the fundamental action, encoding specific g…
Physical aspects of modified gravity theories
Mihai Marciu, Dana Maria Ioan
The paper extends basic Einstein--Hilbert action by adding a newly proposed invariant constructed from a specific contraction between the Einstein tensor and the energy momentum te…
A two-field dark energy model with cubic contractions of the Riemann tensor
Mihai Marciu
The paper proposes a novel cosmological model based on a two-field scenario, where the two fields are independently coupled with a specific invariant, based on cubic contractions o…
Investigation of bi-particle states in gate-array-controlled quantum-dot systems aided by machine learning techniques
G. A. Nemnes, T. L. Mitran, A. T. Preda +3
Quantum computing architectures require an accurate and efficient description in terms of many-electron states. Recent implementations include quantum dot arrays, where the ground…
Tachyonic cosmology with cubic contractions of the Riemann tensor
Mihai Marciu
A new cosmological theory is proposed in the theoretical framework of modified gravity theories which is based on a tachyonic field non-minimally coupled with a specific topologica…
Dark effects in gravity
Mihai Marciu
In the present paper a new cosmological model is proposed by extending the Einstein--Hilbert lagrangian with a generic functional , which depends on the scalar curvature $R…
Dynamical description of a quintom cosmological model nonminimally coupled with gravity
Mihai Marciu
In this work we have studied a cosmological model based on a quintom dark energy model non-minimally coupled with gravity, endowed with a specfic potential energy of the exponentia…
Dynamical aspects for scalar fields coupled to cubic contractions of the Riemann tensor
Mihai Marciu
The paper studies a new type of dark energy, a scalar field with positive or negative kinetic energy, generically coupled to a term which is composed by specific contractions of th…
A note on the dynamical features for the extended cubic gravity
Mihai Marciu
The paper studies the physical characteristics for the extended cubic gravity from a transitive perspective based on dynamical system analysis, by considering the linear sta…
String-inspired Teleparallel Cosmology
Sebastian Bahamonde, Mihai Marciu, Sergei D. Odintsov +1
The present paper represents an attempt for a very generic string inspired theory of gravitation, based on a stringy action in the teleparallel gravity which includes a specific fu…
Dynamical system analysis of generalized energy-momentum-squared gravity
Sebastian Bahamonde, Mihai Marciu, Prabir Rudra
In this work we have investigated the dynamics of a recent modification to the general theory of relativity, the energy-momentum squared gravity model , where $R…
Generalized Tachyonic Teleparallel cosmology
Sebastian Bahamonde, Mihai Marciu, Jackson Levi Said
In this paper we propose a new dark energy model in the teleparallel alternative of general relativity, by considering a generalized non--minimal coupling of a tachyonic scalar fie…
Generalised teleparallel quintom dark energy non-minimally coupled with the scalar torsion and a boundary term
Sebastian Bahamonde, Mihai Marciu, Prabir Rudra
Within this work, we propose a new generalised quintom dark energy model in the teleparallel alternative of general relativity theory, by considering a non-minimal coupling between…