| Causal field theory with an infinite speed of sound N Afshordi, DJH Chung, G Geshnizjani Physical Review D 75 (8), 083513, 2007 | 169 | 2007 |
| Back reaction and the local cosmological expansion rate G Geshnizjani, R Brandenberger Physical Review D 66 (12), 123507, 2002 | 149 | 2002 |
| Back-reaction of perturbations in two scalar field inflationary models G Geshnizjani, R Brandenberger Journal of Cosmology and Astroparticle Physics 2005 (04), 006, 2005 | 103 | 2005 |
| Cuscuton cosmology: dark energy meets modified gravity N Afshordi, DJH Chung, M Doran, G Geshnizjani Physical Review D 75 (12), 123509, 2007 | 90 | 2007 |
| Do observations offer evidence for cosmological-scale extra dimensions? N Afshordi, G Geshnizjani, J Khoury Journal of Cosmology and Astroparticle Physics 2009 (08), 030, 2009 | 89 | 2009 |
| Do large-scale inhomogeneities explain away dark energy? G Geshnizjani, DJH Chung, N Afshordi Physical Review D 72 (2), 023517, 2005 | 70 | 2005 |
| Reconstructing a general inflationary action R Bean, DJH Chung, G Geshnizjani Physical Review D 78 (2), 023517, 2008 | 59 | 2008 |
| Initial conditions for brane inflation R Brandenberger, G Geshnizjani, S Watson Physical Review D 67 (12), 123510, 2003 | 46 | 2003 |
| General conditions for scale-invariant perturbations in an expanding universe G Geshnizjani, WH Kinney, AM Dizgah Journal of Cosmology and Astroparticle Physics 2011 (11), 049, 2011 | 26* | 2011 |
| Effect of extra dimensions on gravitational waves from cosmic strings E O’Callaghan, S Chadburn, G Geshnizjani, R Gregory, I Zavala Physical review letters 105 (8), 081602, 2010 | 25 | 2010 |
| Coarse-grained back reaction in single scalar field driven inflation G Geshnizjani, N Afshordi Journal of Cosmology and Astroparticle Physics 2005 (01), 011, 2005 | 23 | 2005 |
| Extended effective field theory of inflation A Ashoorioon, R Casadio, M Cicoli, G Geshnizjani, HJ Kim Journal of High Energy Physics 2018 (2), 172, 2018 | 20 | 2018 |
| Perturbations in a regular bouncing universe TJ Battefeld, G Geshnizjani Physical Review D 73 (6), 064013, 2006 | 20 | 2006 |
| The effect of extra dimensions on gravity wave bursts from cosmic string cusps E O'Callaghan, S Chadburn, G Geshnizjani, R Gregory, I Zavala Journal of Cosmology and Astroparticle Physics 2010 (09), 013, 2010 | 19 | 2010 |
| Comment on perturbations during a regular bounce TJ Battefeld, G Geshnizjani Physical Review D 73 (4), 048501, 2006 | 16* | 2006 |
| Cuscuton bounce SS Boruah, HJ Kim, M Rouben, G Geshnizjani Journal of Cosmology and Astroparticle Physics 2018 (08), 031, 2018 | 15 | 2018 |
| Getting super-excited with modified dispersion relations A Ashoorioon, R Casadio, G Geshnizjani, HJ Kim Journal of Cosmology and Astroparticle Physics 2017 (09), 008, 2017 | 13 | 2017 |
| Theory of cosmological perturbations with cuscuton SS Boruah, HJ Kim, G Geshnizjani Journal of Cosmology and Astroparticle Physics 2017 (07), 022, 2017 | 13 | 2017 |
| Theoretical implications of detecting gravitational waves G Geshnizjani, WH Kinney Journal of Cosmology and Astroparticle Physics 2015 (8), 008, 2015 | 8 | 2015 |
| Horizon-preserving dualities and perturbations in non-canonical scalar field cosmologies G Geshnizjani, WH Kinney, AM Dizgah Journal of Cosmology and Astroparticle Physics 2012 (02), 015, 2012 | 7 | 2012 |
Niayesh AfshordiAssociate Professor of Physics and Astronomy, University of Waterloo and Perimeter InstituteVerified email at pitp.ca
