SFU Cosmology Preprints

SCG-2025-09: A. Nezhadsafavi and L. Pogosian: Cosmic strings in the complex symmetron model.
SCG-2025-08: S. H. Mirpoorian, K. Jedamzik, and L. Pogosian: Is dynamical dark energy necessary? DESI BAO and modified recombination.
SCG-2025-07: G. Gu et. al.: Dynamical dark energy in light of the DESI DR2 baryonic acoustic oscillations measurements.
SCG-2025-06: E. Di Valentino et. al.: The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics.
SCG-2025-05: P. Arras, J. Roth, M. Reinecke, R. A. Perley, A. Frolov, R. Westermann, and T. A. Enßlin: Bayesian imaging of interferometric data from polarized electromagnetic signals.
SCG-2025-04: K. Jedamzik, L. Pogosian, and T. Abel: Hints of primordial magnetic fields at recombination and implications for the Hubble tension.
SCG-2025-03: J. Barenboim, A. V. Frolov, and G. Kunstatter: Evaporation of regular black holes in 2D dilaton gravity.
SCG-2025-02: M. Abitbol et. al.: The Simons Observatory: Science goals and forecasts for the enhanced Large Aperture Telescope.
SCG-2025-01: Pan-Experiment Galactic Science Group: Full-sky models of galactic microwave emission and polarization at sub-arcminute scales for the Python Sky Model.
SCG-2024-05: S. H. Mirpoorian, K. Jedamzik, and L. Pogosian: Modified recombination and the Hubble tension.
SCG-2024-04: Z. Wang, D. Saadeh, K. Koyama, L. Pogosian, B. Bose, L. Yi, and G.-B. Zhao: Extending MGCAMB tests of gravity to nonlinear scales.
SCG-2024-03: L. Pogosian, G.-B. Zhao, and K. Jedamzik: A consistency test of the cosmological model at the epoch of recombination using DESI BAO and Planck measurements.
SCG-2024-02: S. Castello, Z. Wang, L. Dam, C. Bonvin, and L. Pogosian: Disentangling modified gravity from a dark force with gravitational redshift.
SCG-2024-01: J. Barenboim, A. V. Frolov, and G. Kunstatter: No drama in 2D black hole evaporation.
SCG-2023-06: K. Jedamzik and L. Pogosian: Primordial magnetic fields and the Hubble tension.
SCG-2023-05: G. F. Quispe Peña and A. V. Frolov: Astrophysical foreground cleanup using non-local means.
SCG-2023-04: Z. Wang, S. H. Mirpoorian, L. Pogosian, A. Silvestri, and G.-B. Zhao: New MGCAMB tests of gravity with CosmoMC and Cobaya.
SCG-2023-03: A. V. Frolov: A GPU-accelerated viewer for HEALPix maps.
SCG-2023-02: A. V. Frolov and V. P. Frolov: Classical mechanics with inequality constraints.
SCG-2023-01: S. H. Mirpoorian, Z. Wang, and L. Pogosian: On validity of the quasi-static approximation in scalar-tensor theories.
SCG-2022-05: R. X. Adhikari: Report of the topical group on cosmic probes of fundamental physics for for Snowmass 2021.
SCG-2022-04: C. Bonvin and L. Pogosian: Modified Einstein versus modified Euler for dark matter.
SCG-2022-03: C. L. Chang et. al.: Snowmass2021 cosmic frontier: Cosmic microwave background measurements white paper.
SCG-2022-02: E. Abdalla et. al.: Cosmology intertwined: A review of the particle physics, astrophysics, and cosmology associated with the cosmological tensions and anomalies.
SCG-2022-01: K. Abazajian et. al.: Snowmass 2021 CMB-S4 White Paper.
SCG-2021-04: Brandon S. Hensley et. al.: The Simons Observatory: Galactic science goals and forecasts.
SCG-2021-03: S. Galli, L. Pogosian, K. Jedamzik, and L. Balkenhol: Consistency of Planck, ACT and SPT constraints on magnetically assisted recombination and forecasts for future experiments.
SCG-2021-02: L. Pogosian, M. Raveri, K. Koyama, M. Martinelli, A. Silvestri, G.-B. Zhao: Imprints of cosmological tensions in reconstructed gravity.
SCG-2021-01: M. Raveri, L. Pogosian, K. Koyama, M. Martinelli, A. Silvestri, G.-B. Zhao, J. Li, S. Peirone, and A. Zucca: A joint reconstruction of dark energy and modified growth evolution.
SCG-2020-09: K. Jedamzik, L. Pogosian, and G.-B. Zhao: Why reducing the cosmic sound horizon alone can not fully resolve the Hubble tension.
SCG-2020-08: A. D. Hincks et. al.: NDRIO White Paper: Envisioning Digital Research Infrastructure for the Simons Observatory.
SCG-2020-07: Planck Collaboration: Planck intermediate results. LV. Reliability and thermal properties of high-frequency sources in the Second Planck Catalogue of Compact Sources.
SCG-2020-06: L. Pogosian, G.-B. Zhao, and K. Jedamzik: Recombination-independent determination of the sound horizon and the Hubble constant from BAO.
SCG-2020-05: CMB-S4 Collaboration: CMB-S4: Forecasting constraints on primordial gravitational waves.
SCG-2020-04: Planck Collaboration: Planck intermediate results. LVII. Joint Planck LFI and HFI data processing.
SCG-2020-03: Planck Collaboration: Planck intermediate results. LVI. Detection of the CMB dipole through modulation of the thermal Sunyaev-Zeldovich effect: Eppur si muove II.
SCG-2020-02: K. Jedamzik and L. Pogosian: Relieving the Hubble tension with primordial magnetic fields.
SCG-2020-01: A. Saurabh, T. Vachaspati, and L. Pogosian: Decay of cosmic global string loops.
SCG-2019-13: S. Hanany et. al.: PICO: Probe of Inflation and Cosmic Origins.
SCG-2019-12: K. Abazajian et. al.: CMB-S4 Decadal Survey APC white paper.
SCG-2019-11: Planck Collaboration: Planck 2018 results. V. CMB power spectra and likelihoods.
SCG-2019-10: Simons Observatory Collaboration: The Simons Observatory: Astro2020 decadal project whitepaper.
SCG-2019-09: A. Zucca, L. Pogosian, A. Silvestri, Y. Wang, and G.-B. Zhao: Generalized Brans-Dicke theories in light of evolving dark energy.
SCG-2019-08: CMB-S4 Collaboration: CMB-S4 science case, reference design, and project plan.
SCG-2019-07: L. Pogosian, M. Shimon, M. Mewes, and B. Keating: Future CMB constraints on cosmic birefringence and implications for fundamental physics.
SCG-2019-06: D. Matsunami, L. Pogosian, A. Saurabh, and T. Vachaspati: Decay of cosmic string loops due to particle radiation.
SCG-2019-05: Planck Collaboration: Planck 2018 results. VII. Isotropy and statistics of the CMB.
SCG-2019-04: Planck Collaboration: Planck 2018 results. IX. Constraints on primordial non-Gaussianity.
SCG-2019-03: S. Hanany et. al.: PICO: Probe of Inflation and Cosmic Origins.
SCG-2019-02: J. T. Gálvez Ghersi, A. V. Frolov, and D. A. Dobre: Echoes from the scattering of wavepackets on wormholes.
SCG-2019-01: A. Zucca, L. Pogosian, A. Silvestri, and G. B. Zhao: MGCAMB with massive neutrinos and dynamical dark energy.
SCG-2018-17: J. Espejo, S. Peirone, M. Raveri, K. Koyama, L. Pogosian, and A. Silvestri: Phenomenology of Large Scale Structure in scalar-tensor theories: joint prior covariance of w_DE, Σ and μ in Horndeski.
SCG-2018-16: Simons Observatory Collaboration: The Simons Observatory: Science goals and forecasts.
SCG-2018-15: J. T. Gálvez Ghersi, A. Zucca, and A. V. Frolov: Observational constraints on constant roll inflation.
SCG-2018-14: Y. Wang, L. Pogosian, G.-B. Zhao, and A. Zucca: Evolution of dark energy reconstructed from the latest observations.
SCG-2018-13: Planck Collaboration: Planck 2018 results. XII. Galactic astrophysics using polarized dust emission.
SCG-2018-12: Planck Collaboration: Planck 2018 results. XI. Polarized dust foregrounds.
SCG-2018-11: Planck Collaboration: Planck 2018 results. X. Constraints on inflation.
SCG-2018-10: Planck Collaboration: Planck 2018 results. VIII. Gravitational lensing.
SCG-2018-09: Planck Collaboration: Planck 2018 results. VI. Cosmological parameters.
SCG-2018-08: Planck Collaboration: Planck 2018 results. IV. Diffuse component separation.
SCG-2018-07: Planck Collaboration: Planck 2018 results. III. High Frequency Instrument data processing and frequency maps.
SCG-2018-06: Planck Collaboration: Planck 2018 results. II. Low Frequency Instrument data processing.
SCG-2018-05: Planck Collaboration: Planck 2018 results. I. Overview, and the cosmological legacy of Planck.
SCG-2018-04: A. Dhumuntarao, J. T. Gálvez Ghersi, and Niayesh Afshordi: Instantaneous Temperatures à la Hadamard: Towards a generalized Stefan-Boltzmann law for curved spacetime.
SCG-2018-03: Planck Collaboration: Planck intermediate results. LV. The Planck multi-frequency catalogue of non-thermal sources.
SCG-2018-02: L. Pogosian and A. Zucca: Searching for primordial magnetic fields with CMB B-modes.
SCG-2018-01: Planck Collaboration: Planck intermediate results. LIV. Polarized dust foregrounds.
SCG-2017-08: D. A. Dobre, A. V. Frolov, J. T. Gálvez Ghersi, S. Ramazanov, and A. Vikman: Unbraiding the Bounce: superluminality around the corner.
SCG-2017-07: S. Peirone, K. Koyama, L. Pogosian, M. Raveri, and A. Silvestri: Large-scale structure phenomenology of viable Horndeski theories.
SCG-2017-06: J. T. Gálvez Ghersi, M. J. Desrochers, M. Protter, and A. DeBenedictis: Hamiltonian consistency of the gravitational constraint algebra under deformations.
SCG-2017-05: Planck Collaboration: Planck intermediate results. LIII. Detection of velocity dispersion from the kinetic Sunyaev-Zeldovich effect.
SCG-2017-04: A. V. Frolov, J. T. Gálvez Ghersi, and A. Zucca: Nowhere to hide: Unscreening scalarons with a black hole.
SCG-2017-03: M. Raveri, P. Bull, A. Silvestri, and L. Pogosian: Priors on the effective Dark Energy equation of state in scalar-tensor theories.
SCG-2017-02: G.-B. Zhao et. al.: The clustering of galaxies in the completed SDSS-III Baryon Oscillation Spectroscopic Survey: Examining the observational evidence for dynamical dark energy.
SCG-2017-01: C. Tang and A. V. Frolov: Eigenvalue and eigenfunction for the PT-symmetric potential V=−(ix)^N.
SCG-2016-12: Planck Collaboration: Planck intermediate results. LII. Planet flux densities.
SCG-2016-11: A. Zucca, Y. Li, and L. Pogosian: Constraints on primordial magnetic fields from Planck combined with the South Pole Telescope CMB B-mode polarization measurements.
SCG-2016-10: K. N. Abazajian et. al.: CMB-S4 Science Book, First Edition.
SCG-2016-09: Planck Collaboration: Planck 2016 intermediate results. LI. Features in the cosmic microwave background temperature power spectrum and shifts in cosmological parameters.
SCG-2016-08: J. T. Gálvez Ghersi, A. V. Frolov: Two-point correlators revisited: Fast and slow scales in multifield models of inflation.
SCG-2016-07: Planck Collaboration: Planck intermediate results. L. Evidence for spatial variation of the polarized thermal dust spectral energy distribution and implications for CMB B-mode analysis.
SCG-2016-06: L. Pogosian and A. Silvestri: What can Cosmology tell us about Gravity? Constraining Horndeski with Sigma and Mu.
SCG-2016-05: Planck Collaboration: Planck intermediate results. XLVIII. Disentangling Galactic dust emission and cosmic infrared background anisotropies.
SCG-2016-04: Planck Collaboration: Planck intermediate results. XLIX. Parity-violation constraints from polarization data.
SCG-2016-03: Planck Collaboration: Planck 2016 intermediate results. XLVII. Planck constraints on reionization history.
SCG-2016-02: Planck Collaboration: Planck 2016 intermediate results. XLVI. Reduction of large-scale systematic effects in HFI polarization maps and estimation of the reionization optical depth.
SCG-2016-01: Planck Collaboration: Planck intermediate results. XLIV. The structure of the Galactic magnetic field from dust polarization maps of the southern Galactic cap.
SCG-2015-11: A. Hojjati, A. Plahn, A. Zucca, L. Pogosian, P. Brax, A.-C. Davis, and G.-B. Zhao: Searching for scalar gravitational interactions in current and future cosmological data.
SCG-2015-10: G.-B. Zhao et. al.: The extended Baryon Oscillation Spectroscopic Survey (eBOSS): a cosmological forecast.
SCG-2015-09: POLARBEAR Collaboration: POLARBEAR Constraints on Cosmic Birefringence and Primordial Magnetic Fields.
SCG-2015-08: T. Vachaspati, L. Pogosian, and D. Steer: Cosmic strings.
SCG-2015-07: J.-Q. Guo, P. S. Joshi, and J. T. Galvez Ghersi: Mass inflation near the central singularity in spherical collapse.
SCG-2015-06: M. Brush, L. Pogosian, and T. Vachaspati: Magnetic monopole hits a wall.
SCG-2015-05: Planck Collaboration: Planck intermediate results. XXXVIII. E- and B-modes of dust polarization from the magnetized filamentary structure of the interstellar medium.
SCG-2015-04: Y. Wang, G.-B. Zhao, D. Wands, L. Pogosian, and R. G. Crittenden: Reconstruction of the dark matter-vacuum energy interaction.
SCG-2015-03: Planck Collaboration: Planck 2015 results. XVI. Isotropy and statistics of the CMB.
SCG-2015-02: Planck Collaboration: Planck 2015. XX. Constraints on inflation.
SCG-2015-01: Planck Collaboration: Planck 2015 results. I. Overview of products and scientific results.
SCG-2014-04: C. Llinares and L. Pogosian: Domain walls coupled to matter: the symmetron example.
SCG-2014-03: V. P. Frolov and A. V. Frolov: Hybrid black holes.
SCG-2014-02: A. V. Frolov and V. P. Frolov: Rigidly rotating ZAMO surfaces in the Kerr spacetime.
SCG-2014-01: A. Moss and L. Pogosian: Did BICEP2 see vector modes? First B-mode constraints on cosmic defects.
SCG-2013-09: A. Hojjati, L. Pogosian, A. Silvestri, and G.-B. Zhao: Observable physical modes of modified gravity.
SCG-2013-08: J.-Q. Guo, D. Wang, and A. V. Frolov: Spherical collapse in f(R) gravity.
SCG-2013-07: L. Pogosian: Searching for primordial magnetism with multi-frequency CMB experiments.
SCG-2013-06: J.-Q. Guo: Construction of f(R) gravity models.
SCG-2013-05: S. Asaba, C. Hikage, K. Koyama, G.-B. Zhao, A. Hojjati, and L.-Pogosian: Principal component analysis of modified gravity using weak lensing and peculiar velocity measurements.
SCG-2013-04: J.-Q. Guo: Solar system tests of f(R) gravity.
SCG-2013-03: J.-Q. Guo and A. V. Frolov: Cosmological dynamics in f(R) gravity.
SCG-2013-02: S. De, L. Pogosian, and T. Vachaspati: CMB Faraday rotation as seen through the Milky Way.
SCG-2013-01: A. Silvestri, L. Pogosian, and R. V. Buniy: A practical approach to cosmological perturbations in modified gravity.
SCG-2012-04: L. Pogosian, T. Vachaspati, and A. Yadav: Primordial Magnetism in CMB B-modes.
SCG-2012-03: A. Hojjati, L. Pogosian, A. Silvestri, and S. Talbot: Practical solutions for perturbed f(R) gravity.
SCG-2012-02: G.-B. Zhao, R.G. Crittenden, L. Pogosian, and X. Zhang: Examining the evidence for dynamical dark energy.
SCG-2012-01: A.P.S. Yadav, L. Pogosian, and T. Vachaspati: Probing primordial magnetism with off-diagonal correlators of CMB polarization.
SCG-2011-08: R. Crittenden, G.-B. Zhao, L. Pogosian, L. Samushia, and X. Zhang: Fables of reconstruction: controlling bias in the dark energy equation of state.
SCG-2011-07: A. Hojjati, G.-B. Zhao, L. Pogosian, A. Silvestri, R. Crittenden, and K. Koyama: Cosmological tests of General Relativity: a principal component analysis.
SCG-2011-06: A. V. Frolov: Critical Collapse and Solitons in Classical Conformal Field Theory.
SCG-2011-05: A. Hojjati, L. Pogosian and G.-B. Zhao: Testing gravity with CAMB and CosmoMC.
SCG-2011-04: L. Pogosian, A.P.S. Yadav, Y.-F. Ng and T. Vachaspati: Primordial Magnetism in the CMB: Exact Treatment of Faraday Rotation and WMAP7 Bounds.
SCG-2011-03: A. Avgoustidis, E. J. Copeland, A. Moss, L. Pogosian, A. Pourtsidou, D. A. Steer: Constraints on the fundamental string coupling from B-mode experiments.
SCG-2011-02: E. J. Copeland, L. Pogosian and T. Vachaspati: Seeking String Theory in the Cosmos.
SCG-2011-01: A. V. Frolov and J.-Q. Guo: Small Cosmological Constant from Running of Gravitational Coupling.
SCG-2010-06: A. Pourtsidou, A. Avgoustidis, E. J. Copeland, L. Pogosian and D. A. Steer: Scaling configurations of cosmic superstring networks and their cosmological implications.
SCG-2010-05: Y. S. Song, G. B. Zhao, D. Bacon, K. Koyama, R. C. Nichol and L. Pogosian: Complementarity of Weak Lensing and Peculiar Velocity Measurements in Testing General Relativity.
SCG-2010-04: A. V. Frolov: Non-linear Dynamics and Primordial Curvature Perturbations from Preheating.
SCG-2010-03: A. Berndsen, L. Pogosian and M. Wyman: Correlations between 21 cm Radiation and the CMB from Active Sources.
SCG-2010-02: G. B. Zhao, T. Giannantonio, L. Pogosian, A. Silvestri, D. J. Bacon, K. Koyama, R. C. Nichol and Y. S. Song: Probing modifications of General Relativity using current cosmological observations.
SCG-2010-01: L. Pogosian, A. Silvestri, K. Koyama and G. B. Zhao: How to optimally parametrize deviations from General Relativity in the evolution of cosmological perturbations?.
SCG-2009-09: A. Hojjati, L. Pogosian and G. B. Zhao: Detecting Features in the Dark Energy Equation of State: A Wavelet Approach.
SCG-2009-08: R. G. Crittenden, L. Pogosian and G. B. Zhao: Investigating dark energy experiments with principal components.
SCG-2009-07: A. Berndsen, J. E. Lidsey and J. Ward: Non-relativistic Matrix Inflation.
SCG-2009-06: G. B. Zhao and X. Zhang: Probing Dark Energy Dynamics from Current and Future Cosmological Observations.
SCG-2009-05: G. B. Zhao, L. Pogosian, A. Silvestri and J. Zylberberg: Cosmological Tests of General Relativity with Future Tomographic Surveys.
SCG-2009-04: J. Aguirre et al.: Observing the Evolution of the Universe.
SCG-2009-03: S. Dodelson et al.: The Origin of the Universe as Revealed Through the Polarization of the Cosmic Microwave Background.
SCG-2009-02: E. Komatsu et al.: Non-Gaussianity as a Probe of the Physics of the Primordial Universe and the Astrophysics of the Low Redshift Universe.
SCG-2009-01: J. R. Bond, A. V. Frolov, Z. Huang and L. Kofman: Non-Gaussian Spikes from Chaotic Billiards in Inflation Preheating.
SCG-2008-07: D. Baumann et al.: CMBPol Mission Concept Study: Probing Inflation with CMB Polarization.
SCG-2008-06: G. B. Zhao, L. Pogosian, A. Silvestri and J. Zylberberg: Searching for modified growth patterns with tomographic surveys.
SCG-2008-05: J. Q. Xia, H. Li, G. B. Zhao and X. Zhang: Determining Cosmological Parameters with Latest Observational Data.
SCG-2008-04: H. Li, J. Q. Xia, G. B. Zhao, Z. H. Fan and X. Zhang: On using the WMAP distance priors in constraining the time evolving equation of state of dark energy.
SCG-2008-03: L. Pogosian, S. H. Tye, I. Wasserman and M. Wyman: Cosmic strings as the source of small-scale microwave background anisotropy.
SCG-2008-02: A. V. Frolov: DEFROST: A new code for simulating preheating after inflation.
SCG-2008-01: A. V. Frolov: A singularity problem with f(R) dark energy.
SCG-2007-04: C. Gooding and A. V. Frolov: Five-dimensional black hole capture cross-sections.
SCG-2007-03: G. B. Zhao, D. Huterer and X. Zhang: High-resolution temporal constraints on the dynamics of dark energy.
SCG-2007-02: L. Pogosian and M. Wyman: B-modes from cosmic strings.
SCG-2007-01: L. Pogosian and A. Silvestri: The pattern of growth in viable f(R) cosmologies.
SCG-2006-02: L. Pogosian and A. Vilenkin: Anthropic predictions for vacuum energy and neutrino masses in the light of WMAP-3.
SCG-2006-01: R. Bean, D. Bernat, L. Pogosian, A. Silvestri and M. Trodden: Dynamics of linear perturbations in f(R) gravity.

Modified by Andrei Frolov <frolov@sfu.ca> on 2025-04-29

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