Levon Edward Pogosian

115 results

Citation Summary

Most Recent

Hints of Primordial Magnetic Fields at Recombination and Implications for the Hubble Tension

Karsten Jedamzik
(
- U. Montpellier 2, LUPM and
- Montpellier U. and
- St. Petersburg, INP
)
,
Levon Pogosian
(
- Simon Fraser U.
)
,
Tom Abel
(
- KIPAC, Menlo Park and
- Stanford U., HEPL and
- Stanford U. and
- SLAC
)

(Mar 12, 2025)

e-Print:
- 2503.09599 [astro-ph.CO]

pdf

reference search1 citation

Modified recombination and the Hubble tension

(Nov 25, 2024)

e-Print:
- 2411.16678 [astro-ph.CO]

pdf

reference search5 citations

Extending MGCAMB tests of gravity to nonlinear scales

et al.

(Jun 13, 2024)

Published in:
- JCAP 11 (2024) 003
•
e-Print:
- 2406.09204 [astro-ph.CO]

DOI

reference search1 citation

A Consistency Test of the Cosmological Model at the Epoch of Recombination Using DESI Baryonic Acoustic Oscillation and Planck Measurements

Levon Pogosian
(
- Simon Fraser U., Burnaby (main)
)
,
Gong-Bo Zhao
(
- NAOC, Beijing and
- Beijing, GUCAS and
- Beijing Normal U.
)
,
Karsten Jedamzik
(
- U. Montpellier 2, LUPM
)

(May 30, 2024)

Published in:
- Astrophys.J.Lett. 973 (2024) 1, L13
•
e-Print:
- 2405.20306 [astro-ph.CO]

DOI

reference search20 citations

Disentangling modified gravity from a dark force with gravitational redshift

(Apr 14, 2024)

Published in:
- Phys.Rev.D 110 (2024) 10, 10
•
e-Print:
- 2404.09379 [astro-ph.CO]

pdfDOI

reference search5 citations

Primordial magnetic fields and the Hubble tension

(Jul 11, 2023)

e-Print:
- 2307.05475 [astro-ph.CO]

pdf

reference search9 citations

Can cosmology distinguish a dark force from a modification of gravity?

(Jun 22, 2023)

Published in:
- Nature Astron. 7 (2023) 9, 1023-1024

DOI

reference search0 citations

New MGCAMB tests of gravity with CosmoMC and Cobaya

Zhuangfei Wang
(
- Simon Fraser U., Burnaby (main)
)
,
Seyed Hamidreza Mirpoorian
(
- Simon Fraser U., Burnaby (main)
)
,
Levon Pogosian
(
- Simon Fraser U., Burnaby (main)
)
,
Alessandra Silvestri
(
- Leiden U.
)
,
Gong-Bo Zhao
(
- NAOC, Beijing and
- UCAS, Beijing and
- Beijing Normal U.
)

(May 9, 2023)

Published in:
- JCAP 08 (2023) 038
•
e-Print:
- 2305.05667 [astro-ph.CO]

DOI

reference search21 citations

On validity of the quasi-static approximation in scalar-tensor theories

(Feb 21, 2023)

Published in:
- JCAP 07 (2023) 069
•
e-Print:
- 2302.10999 [astro-ph.CO]

DOI

reference search6 citations

Report of the Topical Group on Cosmic Probes of Fundamental Physics for for Snowmass 2021

#10

Rana X. Adhikari
(
- Caltech
)
,
Luis A. Anchordoqui
(
- Lehman Coll. and
- City Coll., N.Y. and
- Amer. Museum Natural Hist.
)
,
Ke Fang
(
- Wisconsin U., Madison
)
,
B.S. Sathyaprakash
(
)
,
Kirsten Tollefson
(
- Michigan State U.
)

et al.

(Sep 23, 2022)

e-Print:
- 2209.11726 [hep-ph]

pdf

reference search23 citations

Modified Einstein versus modified Euler for dark matter

#11

(Sep 8, 2022)

Published in:
- Nature Astron. 7 (2023) 9, 1127-1134
•
e-Print:
- 2209.03614 [astro-ph.CO]

pdfDOI

reference search17 citations

Snowmass2021 Cosmic Frontier: Cosmic Microwave Background Measurements White Paper

#12

Clarence L. Chang
(
- U. Chicago (main) and
- Argonne
)
,
Kevin M. Huffenberger
(
- Florida State U.
)
,
Bradford A. Benson
(
- Fermilab and
- U. Chicago (main)
)
,
Federico Bianchini
(
- KIPAC, Menlo Park and
- SLAC
)
,
Jens Chluba
(
- Jodrell Bank
)

et al.

(Mar 15, 2022)

Contribution to:
- Snowmass 2021
•
e-Print:
- 2203.07638 [astro-ph.CO]

reference search37 citations

Snowmass 2021 CMB-S4 White Paper

#13

CMB-S4

Collaboration

•

Kevork Abazajian
(
- UC, Irvine (main)
)

et al.

(Mar 15, 2022)

Contribution to:
- Snowmass 2021
•
e-Print:
- 2203.08024 [astro-ph.CO]

reference search118 citations

Cosmology intertwined: A review of the particle physics, astrophysics, and cosmology associated with the cosmological tensions and anomalies

#14

Elcio Abdalla
(
- Sao Paulo U.
)
,
Guillermo Franco Abellán
(
- U. Montpellier 2, LUPM
)
,
Amin Aboubrahim
(
- Munster U., ITP
)
,
Adriano Agnello
(
- DARK Cosmology Ctr.
)
,
Ozgur Akarsu
(
- Istanbul, Tech. U.
)

et al.

(Mar 11, 2022)

Published in:
- JHEAp 34 (2022) 49-211
•
Contribution to:
- Snowmass 2021, 49-211
•
e-Print:
- 2203.06142 [astro-ph.CO]

DOI

reference search1,058 citations

Consistency of Planck, ACT, and SPT constraints on magnetically assisted recombination and forecasts for future experiments

#15

Silvia Galli
(
- Paris, Inst. Astrophys.
)
,
Levon Pogosian
(
- Simon Fraser U.
)
,
Karsten Jedamzik
(
- U. Montpellier 2, LUPM
)
,
Lennart Balkenhol
(
- Melbourne U.
)

(Sep 8, 2021)

Published in:
- Phys.Rev.D 105 (2022) 2, 023513
•
e-Print:
- 2109.03816 [astro-ph.CO]

pdfDOI

reference search40 citations

Principal reconstructed modes of dark energy and gravity

#16

Marco Raveri
(
- MIT, Cambridge, Dept. Phys. and
- INFN, Genoa and
- Pennsylvania U.
)
,
Levon Pogosian
(
- Simon Fraser U. and
- Portsmouth U., ICG and
- NAOC, Beijing and
- Beijing, GUCAS
)
,
Matteo Martinelli
(
- Rome Observ. and
- Madrid, IFT
)
,
Kazuya Koyama
(
- Portsmouth U., ICG
)
,
Alessandra Silvestri
(
- Leiden U.
)

et al.

(Jul 27, 2021)

Published in:
- JCAP 02 (2023) 061
•
e-Print:
- 2107.12990 [astro-ph.CO]

pdfDOI

reference search54 citations

Imprints of cosmological tensions in reconstructed gravity

#17

Levon Pogosian
(
- Simon Fraser U. and
- Portsmouth U., ICG and
- NAOC, Beijing
)
,
Marco Raveri
(
- Pennsylvania U.
)
,
Kazuya Koyama
(
- Portsmouth U., ICG
)
,
Matteo Martinelli
(
- CSIC, Madrid and
- Madrid, Autonoma U.
)
,
Alessandra Silvestri
(
- Leiden U.
)

et al.

(Jul 27, 2021)

Published in:
- Nature Astron. 6 (2022) 12, 1484-1490,
- Nature Astron. (2022)
•
e-Print:
- 2107.12992 [astro-ph.CO]

pdflinksDOI

reference search70 citations

Why reducing the cosmic sound horizon alone can not fully resolve the Hubble tension

#18

Karsten Jedamzik
(
- U. Montpellier 2, LUPM
)
,
Levon Pogosian
(
- Simon Fraser U.
)
,
Gong-Bo Zhao
(
- NAOC, Beijing and
- Beijing, GUCAS
)

(Oct 8, 2020)

Published in:
- Commun.in Phys. 4 (2021) 123
•
e-Print:
- 2010.04158 [astro-ph.CO]

pdfDOI

reference search199 citations

Recombination-independent determination of the sound horizon and the Hubble constant from BAO

#19

Levon Pogosian
(
- Simon Fraser U.
)
,
Gong-Bo Zhao
(
- Beijing Observ. and
- Beijing, GUCAS
)
,
Karsten Jedamzik
(
- U. Montpellier 2, LUPM
)

(Sep 17, 2020)

Published in:
- Astrophys.J.Lett. 904 (2020) 2, L17
•
e-Print:
- 2009.08455 [astro-ph.CO]

pdfDOI

reference search64 citations

CMB-S4: Forecasting Constraints on Primordial Gravitational Waves

#20

CMB-S4

Collaboration

•

Kevork Abazajian
(
- UC, Irvine
)

et al.

(Aug 27, 2020)

Published in:
- Astrophys.J. 926 (2022) 1, 54
•
e-Print:
- 2008.12619 [astro-ph.CO]

linksDOI

reference search272 citations

Relieving the Hubble tension with primordial magnetic fields

#21

Karsten Jedamzik
(
- U. Montpellier 2, LUPM
)
,
Levon Pogosian
(
- Simon Fraser U. and
- Portsmouth U., ICG
)

(Apr 20, 2020)

Published in:
- Phys.Rev.Lett. 125 (2020) 18, 181302
•
e-Print:
- 2004.09487 [astro-ph.CO]

pdfDOI

reference search193 citations

Decay of Cosmic Global String Loops

#22

Ayush Saurabh
(
- Arizona State U.
)
,
Tanmay Vachaspati
(
- Arizona State U.
)
,
Levon Pogosian
(
- Simon Fraser U.
)

(Jan 3, 2020)

Published in:
- Phys.Rev.D 101 (2020) 8, 083522
•
e-Print:
- 2001.01030 [hep-ph]

DOI

reference search36 citations

PICO: Probe of Inflation and Cosmic Origins

#23

Marcelo Alvarez
(
- LBL, Berkeley and
- UC, Berkeley
)
,
Emmanuel Artis
(
- IRFU, Saclay
)
,
Peter Ashton
(
- LBL, Berkeley and
- UC, Berkeley and
- Tokyo U., IPMU
)
,
Jonathan Aumont
(
- IRAP, Toulouse
)
,
Ragnhild Aurlien
(
- Oslo U.
)

et al.

(Aug 20, 2019)

Published in:
- Bull.Am.Astron.Soc. 51 (2019) 7, 194
•
e-Print:
- 1908.07495 [astro-ph.IM]

pdf

reference search52 citations

CMB-S4 Decadal Survey APC White Paper

#24

Kevork Abazajian
(
- UC, Irvine
)
,
Graeme Addison
(
- Johns Hopkins U.
)
,
Peter Adshead
(
- Illinois U., Urbana (main)
)
,
Zeeshan Ahmed
(
- SLAC
)
,
Steven W. Allen
(
- Stanford U.
)

et al.

(Jul 31, 2019)

Published in:
- Bull.Am.Astron.Soc. 51 (2019) 7, 209
•
e-Print:
- 1908.01062 [astro-ph.IM]

linksDOI

reference search102 citations

Generalized Brans-Dicke theories in light of evolving dark energy

#25

Alex Zucca
(
- Simon Fraser U., Burnaby (main)
)
,
Levon Pogosian
(
- Simon Fraser U., Burnaby (main) and
- Portsmouth U., ICG
)
,
Alessandra Silvestri
(
- Leiden U.
)
,
Yuting Wang
(
- CAS, Beijing
)
,
Gong-Bo Zhao
(
- CAS, Beijing and
- Portsmouth U., ICG
)

(Jul 18, 2019)

Published in:
- Phys.Rev.D 101 (2020) 4, 043518
•
e-Print:
- 1907.07667 [astro-ph.CO]

pdfDOI

reference search11 citations

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Levon Edward Pogosian (Լևոն Պողոսյան)(
Simon Fraser U.
)

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Levon Edward Pogosian (Լևոն Պողոսյան)(Simon Fraser U.)

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Levon Edward Pogosian (Լևոն Պողոսյան)(
Simon Fraser U.
)