CMB Lensing Constraints on Dark Energy and Modified Gravity Scenarios Export

@article{Calabrese:2009tt, abstract = {Weak gravitational lensing leaves a characteristic imprint on the cosmic microwave background temperature and polarization angular power spectra. Here we investigate the possible constraints on the integrated lensing potential from future CMB angular spectra measurements expected from Planck and EPIC. We find that Planck and EPIC will constrain the amplitude of the integrated projected potential responsible for lensing at 6\% and 1\% level, respectively with very little sensitivity to the shape of the lensing potential. We discuss the implications of such a measurement in constraining dark energy and modified gravity scalar-tensor theories. We then discuss the impact of a wrong assumption on the weak lensing potential amplitude on cosmological parameter inference.}, archivePrefix = {arXiv}, author = {Calabrese, Erminia and Cooray, Asantha and Martinelli, Matteo and Melchiorri, Alessandro and Pagano, Luca and Slosar, Anze and Smoot, George F.}, citeulike-article-id = {5865786}, citeulike-linkout-0 = {http://arxiv.org/abs/0908.1585}, citeulike-linkout-1 = {http://arxiv.org/pdf/0908.1585}, day = {11}, eprint = {0908.1585}, keywords = {cmb-lensing, cosmology, dark-energy, modified-gravity}, month = {Aug}, posted-at = {2009-10-01 08:23:04}, priority = {2}, title = {CMB Lensing Constraints on Dark Energy and Modified Gravity Scenarios}, url = {http://arxiv.org/abs/0908.1585}, year = {2009} }

TY - JOUR ID - Calabrese:2009tt L3 - citeulike-article-id:5865786 N2 - Weak gravitational lensing leaves a characteristic imprint on the cosmic microwave background temperature and polarization angular power spectra. Here we investigate the possible constraints on the integrated lensing potential from future CMB angular spectra measurements expected from Planck and EPIC. We find that Planck and EPIC will constrain the amplitude of the integrated projected potential responsible for lensing at 6% and 1% level, respectively with very little sensitivity to the shape of the lensing potential. We discuss the implications of such a measurement in constraining dark energy and modified gravity scalar-tensor theories. We then discuss the impact of a wrong assumption on the weak lensing potential amplitude on cosmological parameter inference. TI - CMB Lensing Constraints on Dark Energy and Modified Gravity Scenarios KW - cmb-lensing KW - cosmology KW - dark-energy KW - modified-gravity AU - Calabrese, Erminia AU - Cooray, Asantha AU - Martinelli, Matteo AU - Melchiorri, Alessandro AU - Pagano, Luca AU - Slosar, Anze AU - Smoot, George PY - 2009/Aug/11/ UR - http://arxiv.org/abs/0908.1585 ER -