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Department of Applied Mathematics and Theoretical Physics

Career

  • 2020 Oct. - present           Research Associate / Rubicon Fellow    University of Cambridge
  • 2016 Sept. - 2020 Sept.   PhD Candidate / de Sitter Fellow          Leiden University
  • 2013 Sept. - 2016 Jun.      Master                                              University of Science and Technology of China

Research

    My research focuses on primordial cosmology. Currently I am exploring new physics effects in the earliest stage of the Universe, by looking into their imprints in cosmological observables. In particular, I am interested in applying the boostrap approach to study the theoretical aspects of cosmological correlators, and the phenomenology of primordial non-Gaussianity.

    Find more on my personal website.

Publications

Universality and scaling in multi-field $α$-attractor preheating
O Iarygina, EI Sfakianakis, DG Wang, A Achúcarro
– Journal of Cosmology and Astroparticle Physics
(2019)
2019,
027
Primordial Black Holes from Sound Speed Resonance during Inflation.
Y-F Cai, X Tong, D-G Wang, S-F Yan
– Phys Rev Lett
(2018)
121,
081306
Hypernatural inflation
A Linde, DG Wang, Y Welling, Y Yamada, A Achúcarro
– Journal of Cosmology and Astroparticle Physics
(2018)
2018,
035
Revisiting non-Gaussianity from non-attractor inflation models
YF Cai, X Chen, MH Namjoo, M Sasaki, DG Wang, Z Wang
– Journal of Cosmology and Astroparticle Physics
(2018)
2018,
012
Universality of multi-field $α$-attractors
A Achúcarro, R Kallosh, A Linde, DG Wang, Y Welling
– Journal of Cosmology and Astroparticle Physics
(2018)
2018,
028
Matter bounce cosmology with a generalized single field: Non-Gaussianity and an extended no-go theorem
YB Li, J Quintin, DG Wang, YF Cai
– Journal of Cosmology and Astroparticle Physics
(2017)
2017,
031
Bouncing Cosmologies with Dark Matter and Dark Energy
YF Cai, A Marcianò, DG Wang, E Wilson-Ewing
– Universe
(2016)
3,
1
Features from the non-attractor beginning of inflation
YF Cai, JO Gong, DG Wang, Z Wang
– Journal of Cosmology and Astroparticle Physics
(2016)
2016,
017
Vacuum and gravitons of relic gravitational waves and the regularization of the spectrum and energy-momentum tensor
DG Wang, Y Zhang, JW Chen
– Physical Review D
(2016)
94,
044033
Hearing the echoes of electroweak baryogenesis with gravitational wave detectors
FP Huang, Y Wan, DG Wang, YF Cai, X Zhang
– Physical Review D
(2016)
94,
041702
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Research Group

Relativity and Gravitation