Built on

C. D. Kreisch, F. Y. Cyr-Racine and O. Doré, The Neutrino Puzzle: Anomalies, Interactions, and Cosmological Tensions,
Original
1902
Earlier work this paper cites.
M. Martinelli, N. B. Hogg, S. Peirone, M. Bruni and D. Wands, Constraints on the interacting vacuum - geodesic CDM scenario,
Original
1902
Earlier work this paper cites.
A. G. Riess, S. Casertano, W. Yuan, L. M. Macri and D. Scolnic, Large Magellanic Cloud Cepheid Standards Provide a 1% Foundation for the Determination of the Hubble Constant and Stronger Evidence for Physics beyond Λ \Lambda CDM,
Original
1903
Earlier work this paper cites.
K. Vattis, S. M. Koushiappas and A. Loeb, Dark matter decaying in the late Universe can relieve the H0 tension,
Original
1903
Earlier work this paper cites.
S. Kumar, R. C. Nunes and S. K. Yadav, Dark sector interaction: a remedy of the tensions between CMB and LSS data,
Original
1903
Earlier work this paper cites.
P. Agrawal, F. Y. Cyr-Racine, D. Pinner and L. Randall, Rock ’n’ Roll Solutions to the Hubble Tension,
Original
1904
Earlier work this paper cites.
W. Yang, S. Pan, A. Paliathanasis, S. Ghosh and Y. Wu, Observational constraints of a new unified dark fluid and the H 0 H_{0} tension,
Original
1904
Earlier work this paper cites.
X. L. Li, A. Shafieloo, V. Sahni and A. A. Starobinsky, Revisiting Metastable Dark Energy and Tensions in the Estimation of Cosmological Parameters,
Original
1904
Earlier work this paper cites.
W. Yang, S. Vagnozzi, E. Di Valentino, R. C. Nunes, S. Pan and D. F. Mota, Listening to the sound of dark sector interactions with gravitational wave standard sirens,
Original
1905
Earlier work this paper cites.
X. Li and A. Shafieloo, Phenomenologically Emergent Dark Energy and Ruling Out Cosmological Constant,
Original
1906
Earlier work this paper cites.
D. Camarena and V. Marra, Cosmology-independent local determination of H 0 H_{0} in strong tension with CMB,
Original
1906
Earlier work this paper cites.
T. Hamana et al
Original
1906
Earlier work this paper cites.
W. Yang, S. Pan, E. Di Valentino, A. Paliathanasis and J. Lu, Challenging bulk viscous unified scenarios with cosmological observations,
Original
1906
Earlier work this paper cites.
W. Yang, O. Mena, S. Pan and E. Di Valentino, Dark sectors with dynamical coupling,
Original
1906
Earlier work this paper cites.
E. Di Valentino, R. Z. Ferreira, L. Visinelli and U. Danielsson, Late time transitions in the quintessence field and the H 0 H_{0} tension,
Original
1906
Earlier work this paper cites.
M. Martinelli and I. Tutusaus, CMB tensions with low-redshift H 0 H_{0} and S 8 S_{8} measurements: impact of a redshift-dependent type-Ia supernovae intrinsic luminosity,
Original
1906
Earlier work this paper cites.
K. C. Wong et al
Original
1907
Earlier work this paper cites.
S. Vagnozzi, New physics in light of the H 0 H_{0} tension: an alternative view,
Original
1907
Earlier work this paper cites.
H. Desmond, B. Jain and J. Sakstein, A local resolution of the Hubble tension: The impact of screened fifth forces on the cosmic distance ladder,
Original
1907
Earlier work this paper cites.
W. Yang, S. Pan, S. Vagnozzi, E. Di Valentino, D. F. Mota and S. Capozziello, Dawn of the dark: unified dark sectors and the EDGES Cosmic Dawn 21-cm signal,
Original
1907
Earlier work this paper cites.
S. Pan, W. Yang, E. Di Valentino, E. N. Saridakis and S. Chakraborty, Interacting scenarios with dynamical dark energy: Observational constraints and alleviation of the H 0 H_{0} tension,
Original
1907
Earlier work this paper cites.
L. Visinelli, S. Vagnozzi and U. Danielsson, Revisiting a negative cosmological constant in light of low-redshift data,
Original
1907
Earlier work this paper cites.
Y. F. Cai, M. Khurshudyan and E. N. Saridakis, Model-independent reconstruction of f ⁡ ( T ) f(T) gravity from Gaussian Processes and alleviation of the H 0 H_{0} tension,
Original
1907
Earlier work this paper cites.
N. Schöneberg, J. Lesgourgues and D. C. Hooper, The BAO+BBN take on the Hubble tension,
Original
1907
Earlier work this paper cites.
L. Kazantzidis and L. Perivolaropoulos, Is gravity getting weaker at low z? Observational evidence and theoretical implications,
Original
1907
Earlier work this paper cites.
E. Di Valentino, A. Melchiorri, O. Mena and S. Vagnozzi, Interacting dark energy after the latest Planck, DES, and H 0 H_{0} measurements: an excellent solution to the H 0 H_{0} and cosmic shear tensions,
Original
1908
Earlier work this paper cites.
N. Arendse et al
Original
1909
Earlier work this paper cites.
M. Asgari et al
Original
1910
Earlier work this paper cites.
E. Di Valentino, A. Melchiorri, O. Mena and S. Vagnozzi, Nonminimal dark sector physics and cosmological tensions,
Original
1910
Earlier work this paper cites.
N. Palanque-Delabrouille, C. Yèche, N. Schöneberg, J. Lesgourgues, M. Walther, S. Chabanier and E. Armengaud, Hints, neutrino bounds and WDM constraints from SDSS DR14 Lyman- α \alpha and Planck full-survey data,
Original
1911
Earlier work this paper cites.

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C. P. Ma and E. Bertschinger, Cosmological perturbation theory in the synchronous and conformal Newtonian gauges,
1995
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R. E. Kass and A. E. Raftery, Bayes Factors,
1995
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A. Lewis, A. Challinor and A. Lasenby, Efficient computation of CMB anisotropies in closed FRW models,
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2019

Reconciling $H_0$ tension in a six parameter space?

Pan, Supriya, Yang, Weiqiang, Di Valentino, Eleonora et al.

Understand

Consistent observations indicate that some of the important cosmological parameters measured through the local observations are in huge tension with their measurements from the global observations (within the minimal $\Lambda$CDM cosmology).

The tensions in those cosmological parameters have been found to be either weakened or reconciled with the introduction of new degrees of freedom that effectively increases the underlying parameter space compared to the minimal $\Lambda$CDM cosmology.
It might be interesting to investigate the above tensions within the context of an emergent dark energy scenario proposed recently by Li and Shafieloo~\cite{Li:2019yem}.
We find that the tension on $H_0$ is clearly alleviated within 68\% confidence level with an improvement of the $\chi^2$ for CMB, for the above emergent dark energy model having only six free parameters similar to the spatially flat $\Lambda$CDM model.

Built on

C. D. Kreisch, F. Y. Cyr-Racine and O. Doré, The Neutrino Puzzle: Anomalies, Interactions, and Cosmological Tensions,
Original
1902
Earlier work this paper cites.
M. Martinelli, N. B. Hogg, S. Peirone, M. Bruni and D. Wands, Constraints on the interacting vacuum - geodesic CDM scenario,
Original
1902
Earlier work this paper cites.
A. G. Riess, S. Casertano, W. Yuan, L. M. Macri and D. Scolnic, Large Magellanic Cloud Cepheid Standards Provide a 1% Foundation for the Determination of the Hubble Constant and Stronger Evidence for Physics beyond Λ \Lambda CDM,
Original
1903
Earlier work this paper cites.
K. Vattis, S. M. Koushiappas and A. Loeb, Dark matter decaying in the late Universe can relieve the H0 tension,
Original
1903
Earlier work this paper cites.
S. Kumar, R. C. Nunes and S. K. Yadav, Dark sector interaction: a remedy of the tensions between CMB and LSS data,
Original
1903
Earlier work this paper cites.
P. Agrawal, F. Y. Cyr-Racine, D. Pinner and L. Randall, Rock ’n’ Roll Solutions to the Hubble Tension,
Original
1904
Earlier work this paper cites.
W. Yang, S. Pan, A. Paliathanasis, S. Ghosh and Y. Wu, Observational constraints of a new unified dark fluid and the H 0 H_{0} tension,
Original
1904
Earlier work this paper cites.
X. L. Li, A. Shafieloo, V. Sahni and A. A. Starobinsky, Revisiting Metastable Dark Energy and Tensions in the Estimation of Cosmological Parameters,
Original
1904
Earlier work this paper cites.
W. Yang, S. Vagnozzi, E. Di Valentino, R. C. Nunes, S. Pan and D. F. Mota, Listening to the sound of dark sector interactions with gravitational wave standard sirens,
Original
1905
Earlier work this paper cites.
X. Li and A. Shafieloo, Phenomenologically Emergent Dark Energy and Ruling Out Cosmological Constant,
Original
1906
Earlier work this paper cites.
D. Camarena and V. Marra, Cosmology-independent local determination of H 0 H_{0} in strong tension with CMB,
Original
1906
Earlier work this paper cites.
T. Hamana et al
Original
1906
Earlier work this paper cites.
W. Yang, S. Pan, E. Di Valentino, A. Paliathanasis and J. Lu, Challenging bulk viscous unified scenarios with cosmological observations,
Original
1906
Earlier work this paper cites.
W. Yang, O. Mena, S. Pan and E. Di Valentino, Dark sectors with dynamical coupling,
Original
1906
Earlier work this paper cites.
E. Di Valentino, R. Z. Ferreira, L. Visinelli and U. Danielsson, Late time transitions in the quintessence field and the H 0 H_{0} tension,
Original
1906
Earlier work this paper cites.
M. Martinelli and I. Tutusaus, CMB tensions with low-redshift H 0 H_{0} and S 8 S_{8} measurements: impact of a redshift-dependent type-Ia supernovae intrinsic luminosity,
Original
1906
Earlier work this paper cites.
K. C. Wong et al
Original
1907
Earlier work this paper cites.
S. Vagnozzi, New physics in light of the H 0 H_{0} tension: an alternative view,
Original
1907
Earlier work this paper cites.
H. Desmond, B. Jain and J. Sakstein, A local resolution of the Hubble tension: The impact of screened fifth forces on the cosmic distance ladder,
Original
1907
Earlier work this paper cites.
W. Yang, S. Pan, S. Vagnozzi, E. Di Valentino, D. F. Mota and S. Capozziello, Dawn of the dark: unified dark sectors and the EDGES Cosmic Dawn 21-cm signal,
Original
1907
Earlier work this paper cites.
S. Pan, W. Yang, E. Di Valentino, E. N. Saridakis and S. Chakraborty, Interacting scenarios with dynamical dark energy: Observational constraints and alleviation of the H 0 H_{0} tension,
Original
1907
Earlier work this paper cites.
L. Visinelli, S. Vagnozzi and U. Danielsson, Revisiting a negative cosmological constant in light of low-redshift data,
Original
1907
Earlier work this paper cites.
Y. F. Cai, M. Khurshudyan and E. N. Saridakis, Model-independent reconstruction of f ⁡ ( T ) f(T) gravity from Gaussian Processes and alleviation of the H 0 H_{0} tension,
Original
1907
Earlier work this paper cites.
N. Schöneberg, J. Lesgourgues and D. C. Hooper, The BAO+BBN take on the Hubble tension,
Original
1907
Earlier work this paper cites.
L. Kazantzidis and L. Perivolaropoulos, Is gravity getting weaker at low z? Observational evidence and theoretical implications,
Original
1907
Earlier work this paper cites.
E. Di Valentino, A. Melchiorri, O. Mena and S. Vagnozzi, Interacting dark energy after the latest Planck, DES, and H 0 H_{0} measurements: an excellent solution to the H 0 H_{0} and cosmic shear tensions,
Original
1908
Earlier work this paper cites.
N. Arendse et al
Original
1909
Earlier work this paper cites.
M. Asgari et al
Original
1910
Earlier work this paper cites.
E. Di Valentino, A. Melchiorri, O. Mena and S. Vagnozzi, Nonminimal dark sector physics and cosmological tensions,
Original
1910
Earlier work this paper cites.
N. Palanque-Delabrouille, C. Yèche, N. Schöneberg, J. Lesgourgues, M. Walther, S. Chabanier and E. Armengaud, Hints, neutrino bounds and WDM constraints from SDSS DR14 Lyman- α \alpha and Planck full-survey data,
Original
1911
Earlier work this paper cites.

Similar

C. P. Ma and E. Bertschinger, Cosmological perturbation theory in the synchronous and conformal Newtonian gauges,
1995
Cited alongside, same era.
R. E. Kass and A. E. Raftery, Bayes Factors,
1995
Cited alongside, same era.
A. Lewis, A. Challinor and A. Lasenby, Efficient computation of CMB anisotropies in closed FRW models,
2000
Cited alongside, same era.
A. G. Riess, The Expansion of the Universe is Faster than Expected,
Original
2001
Cited alongside, same era.
W. L. Freedman et al
Original
2002
Cited alongside, same era.
A. Lewis and S. Bridle, Cosmological parameters from CMB and other data: A Monte Carlo approach,