A Few of Our Publications

Recent Publications

Late-transition vs smooth H(z) deformation models for the resolution of the Hubble crisis
G. Alestas, D. Camarena, E. Di Valentino, L. Kazantzidis, V. Marra, S. Nesseris and L. Perivolaropoulos
arXiv: 2110.04336 , Supplemental Material


Hubble tension or a transition of the Cepheid SnIa calibrator parameters?
Leandros Perivolaropoulos, Foteini Skara
arXiv:2109.0440, Supplemental Material


The Hubble Tension, the M Crisis of Late Time H(z) Deformation Models and the Reconstruction of Quintessence Lagrangians
Anastasios Theodoropoulos, Leandros Perivolaropoulos
Universe 2021, 7(8), 300 • Contribution to: 1st Electronic Conference on Universe
DOI: 10.3390/universe7080300, Supplemental Material


Challenges for CDM: An update
Leandros Perivolaropoulos, Foteini Skara
arXiv:2105.05208


Hints for a gravitational constant transition in Tully-Fisher data
G. Alestas, I. Antoniou and L. Perivolaropoulos
Universe 7 (2021) 366
DOI: 10.3390/universe7100366, Supplemental Material


Late time approaches to the Hubble tension deforming H(z), worsen the growth tension
G. Alestas, L. Perivolaropoulos
Mon.Not.Roy.Astron.Soc. 504 (2021) 3, 3956-3962
DOI: 10.1093/mnras/stab1070, Supplemental Material


A rapid transition of  Geff  at zt ≃0.01 as a solution of the Hubble and growth tensions
Valerio Marra, Leandros Perivolaropoulos
Phys.Rev.D 104 (2021) 2, L021303
DOI: 10.1103/PhysRevD.104.L021303


Gravitational redshift/blueshift of light emitted by geodesic test particles, frame-dragging and pericentre-shift effects, in the Kerr–Newman–de Sitter and Kerr–Newman black hole geometries
G.V. Kraniotis
Eur. Phys. J. C (2021) 81:147
DOI: 10.1140/epjc/s10052-021-08911-5

A w – M phantom transition at zt<0.1 as a resolution of the Hubble tension
G. Alestas, L. Kazantzidis, L. Perivolaropoulos
Phys.Rev.D 103 (2021) 8, 083517
DOI: 10.1103/PhysRevD.103.083517, Supplemental Material


Weak gravity on a ΛCDM background
Radouane Gannouji, Leandros Perivolaropoulos, David Polarski, Foteini Skara
Phys.Rev.D 103 (2021) 6, 063509
DOI: 10.1103/PhysRevD.103.063509


Hints for possible low redshift oscillation around the best fit ΛCDM model in the expansion history of the universe
L. Kazantzidis, H. Koo, S. Nesseris, L. Perivolaropoulos, A. Shafieloo
Mon.Not.Roy.Astron.Soc. 501 (2021) 3, 3421-3426
DOI: 10.1093/mnras/staa3866


Scalar tachyonic instabilities in gravitational backgrounds: Existence and growth rate
L. Perivolaropoulos, F. Skara
Phys.Rev.D 102 (2020) 10, 104034
DOI: 10.1103/PhysRevD.102.104034, Supplemental Material


Existence and Stability of Static Spherical Fluid Shells in a Schwarzschild-Rindler-anti-de Sitter Metric
G. Alestas, G.V. Kraniotis, L. Perivolaropoulos
Phys.Rev.D 102 (2020) 10, 104015
DOI: 10.1103/PhysRevD.102.104015Supplemental Material


H0 tension, phantom dark energy, and cosmological parameter degeneracies
G. Alestas, L. Kazantzidis, L. Perivolaropoulos
Phys.Rev.D 101 (2020) 12, 123516
DOI: 10.1103/PhysRevD.101.123516, Supplemental Material


Hints of a Local Matter Underdensity or Modified Gravity in the Low z Pantheon data
L. Kazantzidis, L. Perivolaropoulos
Phys.Rev.D 102 (2020) 2, 023520
DOI: 10.1103/PhysRevD.102.023520, Supplemental Material


Tension of the EG  statistic and redshift space distortion data with the Planck-ΛCDM model and implications for weakening gravity
F. Skara, L. Perivolaropoulos
Phys.Rev.D 101 (2020) 6, 063521
DOI: 10.1103/PhysRevD.101.063521, Supplemental Material

Hints of modified gravity in cosmos and in the lab?
Leandros Perivolaropoulos, Lavrentios Kazantzidis
Int.J.Mod.Phys.D 28 (2019) 05, 1942001, Invited Review for Special Issue on Modified Gravity
DOI: 10.1142/S021827181942001X


Evading Derrick’s theorem in curved space: Static metastable spherical domain wall
G. Alestas, L. Perivolaropoulos
Phys.Rev.D 99 (2019) 6, 064026
DOI: 10.1103/PhysRevD.99.064026, Supplemental Material


The massive Dirac equation in the Kerr-Newman de Sitter and Kerr-Newman black hole spacetimes
G.V. Kraniotis
Journal of Physics Communications 3 (2019) 035026
DOI: 10.1088/2399-6528/ab1046


Constraining power of cosmological observables: blind redshift spots and optimal ranges
L. Kazantzidis, L. Perivolaropoulos, F. Skara
Phys.Rev.D 99 (2019) 6, 063537
DOI: 10.1103/PhysRevD.99.063537, Supplemental Material


Spinning particle orbits around a black hole in an expanding background
I. Antoniou, D. Papadopoulos, L. Perivolaropoulos
Class.Quant.Grav. 36 (2019) 8, 085002
DOI: 10.1088/1361-6382/ab0fc1


Reconstructing a Model for Gravity at Large Distances from Dark Matter Density Profiles
L. Perivolaropoulos, F. Skara
Phys.Rev.D 99 (2019) 12, 124006
DOI: 10.1103/PhysRevD.99.124006, Supplemental Material


Is gravity getting weaker at low z? Observational evidence and theoretical implications
Lavrentios Kazantzidis, Leandros Perivolaropoulos
Invited contribution for the White Paper of COST CA-15117 project “CANTATA” (Cosmology and Astrophysics Network for Theoretical Advances and Training Actions) “Observational Discriminators” section.
arXiv:1907.03176, Supplemental Material


Primordial Power Spectra of Cosmological Fluctuations with Generalized Uncertainty Principle and Maximum Length Quantum Mechanics
F. Skara, L. Perivolaropoulos
Phys.Rev.D 100 (2019) 12, 123527
DOI: 10.1103/PhysRevD.100.123527, Supplemental Material

Evolution of the 8 tension with the Planck15/ΛCDM determination and implications for modified gravity theories
L. Kazantzidis, L. Perivolaropoulos
Phys.Rev.D 97 (2018) 10, 103503
DOI: 10.1103/PhysRevD.97.103503, Supplemental Material


Gravitational Interactions of Finite Thickness Global Topological Defects with Black Holes
L. Perivolaropoulos
Phys.Rev.D 97 (2018) 12, 124035
DOI: 10.1103/PhysRevD.97.124035, Supplemental Material


Consistency of modified gravity with a decreasing  Geff (z) in a ΛCDM background
Radouane Gannouji, Lavrentios Kazantzidis, Leandros Perivolaropoulos, David Polarski
Phys.Rev.D 98 (2018) 10, 104044
DOI: 10.1103/PhysRevD.98.104044

Selected Older Publications

Comparison of thawing and freezing dark energy parametrizations
G. Pantazis, S. Nesseris, L. Perivolaropoulos
Phys.Rev.D 93 (2016) 10, 103503
DOI: 10.1103/PhysRevD.93.103503, Supplemental Material


Viable f(T) models are practically indistinguishable from ΛCDM
S. Nesseris, S. Basilakos, E.N. Saridakis, L. Perivolaropoulos
Phys.Rev.D 88 (2013) 103010
DOI: 10.1103/PhysRevD.88.103010


Observational constraints on viable f(R) parametrizations with geometrical and dynamical probes
Spyros Basilakos, Savvas Nesseris, Leandros Perivolaropoulos
Phys.Rev.D 87 (2013) 12, 123529
DOI: 10.1103/PhysRevD.87.123529, Supplemental Material


CMB Maximum temperature asymmetry Axis: Alignment with other cosmic asymmetries
Antonio Mariano, Leandros Perivolaropoulos
Phys.Rev.D 87 (2013) 4, 043511
DOI: 10.1103/PhysRevD.87.043511, Supplemental Material


Is there correlation between Fine Structure and Dark Energy Cosmic Dipoles?
Antonio Mariano, Leandros Perivolaropoulos
Phys.Rev.D 86 (2012) 083517
DOI: 10.1103/PhysRevD.86.083517, Supplemental Material


Searching for a Cosmological Preferred Axis: Union2 Data Analysis and Comparison with Other Probes
I. Antoniou, L. Perivolaropoulos
JCAP 12 (2010) 012
DOI: 10.1088/1475-7516/2010/12/012, Supplemental Material


PPN Parameter γ and solar system constraints of massive Brans-Dicke Theories
L. Perivolaropoulos
Phys.Rev.D 81 (2010) 047501
DOI: 10.1103/PhysRevD.81.047501


Comparison of Recent SnIa datasets
J.C.Bueno Sanchez, S. Nesseris, L. Perivolaropoulos
JCAP 11 (2009) 029
DOI: 10.1088/1475-7516/2009/11/029. Supplemental Material


Spherical collapse model and cluster formation beyond the Λ cosmology: Indications for a clustered dark energy?
Spyros Basilakos, J.C. Bueno Sanchez, Leandros Perivolaropoulos
Phys.Rev.D 80 (2009) 043530
DOI: 10.1103/PhysRevD.80.043530


Testing gamma-ray bursts as standard candles
Spyros Basilakos, L. Perivolaropoulos
Mon.Not.Roy.Astron.Soc. 391 (2008) 411-419
DOI: 10.1111/j.1365-2966.2008.13894.x, Supplemental Material


Comparison of Standard Ruler and Standard Candle constraints on Dark Energy Models
R. Lazkoz, S. Nesseris, L. Perivolaropoulos
JCAP 07 (2008) 012
DOI: 10.1088/1475-7516/2008/07/012, Supplemental Material


Testing ΛCDM with the Growth Function δ(α):Current Constraints 
S. Nesseris, Leandros Perivolaropoulos
Phys.Rev.D 77 (2008) 023504
DOI: 10.1103/PhysRevD.77.023504, Supplemental Material


Crossing the Phantom Divide: Theoretical Implications and Observational Status
S. Nesseris, Leandros Perivolaropoulos
JCAP 01 (2007) 018
DOI: 10.1088/1475-7516/2007/01/018, Supplemental Material


The Limits of Extended Quintessence
S. Nesseris, Leandros Perivolaropoulos
Phys.Rev.D 75 (2007) 023517
DOI: 10.1103/PhysRevD.75.023517, Supplemental Material


Tension and Systematics in the Gold06 SnIa Dataset
S. Nesseris, Leandros Perivolaropoulos
JCAP 02 (2007) 025
DOI: 10.1088/1475-7516/2007/02/025, Supplemental Material


Constraints on linear negative potentials in quintessence and phantom models from recent supernova data
Leandros Perivolaropoulos
Phys.Rev.D 71 (2005) 063503
DOI: 10.1103/PhysRevD.71.063503, Supplemental Material


Crossing the phantom divide barrier with scalar tensor theories
Leandros Perivolaropoulos
JCAP 10 (2005) 001
DOI: 10.1088/1475-7516/2005/10/001, Supplemental Material


Exploring Cosmological Expansion Parametrizations with the Gold SnIa Dataset
R. Lazkoz, S. Nesseris, Leandros Perivolaropoulos
JCAP 11 (2005) 010
DOI: 10.1088/1475-7516/2005/11/010, Supplemental Material


Comparison of the legacy and gold SnIa dataset constraints on dark energy models
S. Nesseris, Leandros Perivolaropoulos
Phys.Rev.D 72 (2005) 123519
DOI: 10.1103/PhysRevD.72.123519, Supplemental Material


The Fate of bound systems in phantom and quintessence cosmologies
S. Nesseris, L. Perivolaropoulos
Phys.Rev.D 70 (2004) 123529
DOI: 10.1103/PhysRevD.70.123529, Supplemental Material


Comparison of cosmological models using recent supernova data
S. Nesseris, L. Perivolaropoulos
Phys.Rev.D 70 (2004) 043531
DOI: 10.1103/PhysRevD.70.043531, Supplemental Material


Equation of state of oscillating Brans-Dicke scalar and extra dimensions
L. Perivolaropoulos
Phys.Rev.D 67 (2003) 123516
DOI: 10.1103/PhysRevD.67.1235160

For more publications related to our group, please visit the inspirehep database.