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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

Searching for cosmological collider in the Planck CMB data
W Sohn, DG Wang, JR Fergusson, EPS Shellard
– Journal of Cosmology and Astroparticle Physics
(2024)
2024,
016
Searching for Cosmological Collider in the Planck CMB Data
W Sohn, D-G Wang, JR Fergusson, EPS Shellard
(2024)
On the IR divergences in de Sitter space: loops, resummation and the semi-classical wavefunction
S Céspedes, AC Davis, DG Wang
– Journal of High Energy Physics
(2024)
2024,
4
On the IR Divergences in de Sitter Space: loops, resummation and the semi-classical wavefunction
S Céspedes, A-C Davis, D-G Wang
(2023)
Bootstrapping multi-field inflation: non-Gaussianities from light scalars revisited
DG Wang, GL Pimentel, A Achúcarro
– Journal of Cosmology and Astroparticle Physics
(2023)
2023,
043
Bootstrapping Multi-Field Inflation: non-Gaussianities from light scalars revisited
D-G Wang, GL Pimentel, A Achúcarro
(2022)
One small step for an inflaton, one giant leap for inflation: A novel non-Gaussian tail and primordial black holes
YF Cai, XH Ma, M Sasaki, DG Wang, Z Zhou
– Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
(2022)
834,
137461
Boostless cosmological collider bootstrap
GL Pimentel, DG Wang
– Journal of High Energy Physics
(2022)
2022,
177
Boostless Cosmological Collider Bootstrap
GL Pimentel, D-G Wang
– JHEP
(2022)
10,
177
One Small Step for an Inflaton, One Giant Leap for Inflation: a novel non-Gaussian tail and primordial black holes
Y-F Cai, X-H Ma, M Sasaki, D-G Wang, Z Zhou
(2021)
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Research Group

Relativity and Gravitation

Room

BL.34

Telephone

01223 764292