SFU Cosmology Seminars

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Monday, 26 January 2015, 12:00 in P8445B

Dr. Gong-Bo Zhao (NAOC, Beijing and ICG, Portsmouth)

Cosmological tests of gravity
In this talk, I will be presenting methods and results of cosmological tests of gravity on both linear and nonlinear scales. On linear scales, I will introduce the principle component analysis (PCA) method for the model-independent gravity test and use this method to estimate the constraining power of future imaging and spectroscopic surveys. On nonlinear scales, I will present the high-resolution N-body simulations of modified gravity models and show the imprint of nonlinear screening effect on matter power spectrum and mass function. I will also talk about applications of these simulations, including a new GR test using the environmental effect, and a modified gravity extension of Halofit.

Seminars in 2014:

2014-09-03 16:15 in P8445A - Yin-Zhe Ma (UBC): Searching for missing baryons

2014-10-02 16:00 in P8445A - Gabor Kunstatter (University of Winnipeg): The stability of AdS spacetime in Einstein-Gauss-Bonnet gravity

2014-10-03 14:30 in AQ3005 - Gabor Kunstatter (University of Winnipeg): The black hole information loss problem: Is there light at the end of the tunnel? (physics colloquium)

2014-10-23 16:00 in P8445A - Yuting Wang (NAOC Beijing): Cosmological forecasts for galaxy surveys using multi-tracer techniques

2014-10-30 16:00 in P8445A - Yun Li (SFU): Primordial magnetic fields

2014-11-06 16:00 in P8445A - Tomas Galvez (SFU): Bimetric models of gravity and cosmology in the early universe

2014-11-20 16:00 in P8445A - Micah Brush (SFU): 3D cosmological observables in spherical coordinates

2015-01-12 12:00 in P8445B - Misao Sasaki (YITP, Kyoto University): Reviving open inflation

2015-01-20 15:30 in P8445B - Alessandra Silvestri (Lorentz Institute, Leiden): Testing gravity within the EFT framework of cosmic acceleration

2015-01-26 12:00 in P8445B - Gong-Bo Zhao (NAOC, Beijing and ICG, Portsmouth): Cosmological tests of gravity

2015-03-05 14:00 in P8445A - Scott Chapman (Dalhousie University): Studying the epoch of inflation with the cosmic microwave background

[ See complete seminar archives | iCal feed ]

Modified by Andrei Frolov <frolov@sfu.ca> on 2023-11-01

2014-09-03 16:15 in P8445A	- Yin-Zhe Ma (UBC): Searching for missing baryons
2014-10-02 16:00 in P8445A	- Gabor Kunstatter (University of Winnipeg): The stability of AdS spacetime in Einstein-Gauss-Bonnet gravity
2014-10-03 14:30 in AQ3005	- Gabor Kunstatter (University of Winnipeg): The black hole information loss problem: Is there light at the end of the tunnel? (physics colloquium)
2014-10-23 16:00 in P8445A	- Yuting Wang (NAOC Beijing): Cosmological forecasts for galaxy surveys using multi-tracer techniques
2014-10-30 16:00 in P8445A	- Yun Li (SFU): Primordial magnetic fields
2014-11-06 16:00 in P8445A	- Tomas Galvez (SFU): Bimetric models of gravity and cosmology in the early universe
2014-11-20 16:00 in P8445A	- Micah Brush (SFU): 3D cosmological observables in spherical coordinates
2015-01-12 12:00 in P8445B	- Misao Sasaki (YITP, Kyoto University): Reviving open inflation
2015-01-20 15:30 in P8445B	- Alessandra Silvestri (Lorentz Institute, Leiden): Testing gravity within the EFT framework of cosmic acceleration
2015-01-26 12:00 in P8445B	- Gong-Bo Zhao (NAOC, Beijing and ICG, Portsmouth): Cosmological tests of gravity
2015-03-05 14:00 in P8445A	- Scott Chapman (Dalhousie University): Studying the epoch of inflation with the cosmic microwave background