Cora Uhlemann

Theoretical Cosmology

Research & Publications

PUBLICATIONS

You can find my publication history on different platforms:

Google ScholarINSPIRE, ORCIDarXiv


total: 15 research articles, 10 of which first & corresponding author, 1 single author, 1 student-led all independent of PhD supervisor


August 2018

Extreme Spheres: Counts-in-cells for 21cm intensity mapping

Oliver Leicht, Cora Uhlemann, Francisco Villaescusa-Navarro, Sandrine Codis, Lars Hernquist, Shy Genel

accepted in MNRAS, preprint arXiv:1808.09968


July 2018

Finding closure: approximating Vlasov-Poisson using finitely generated cumulants

Cora Uhlemann


November 2017

Cylinders out of a top hat: counts-in-cells for projected densities
Cora Uhlemann, Christophe Pichon, Sandrine Codis, Benjamin L'Huillier, Juhan Kim, Francis Bernardeau, Changbom Park, Simon Prunet

August 2017

Hunting high and low: Disentangling primordial and late-time non-Gaussianity with cosmic densities in spheres

C. Uhlemann, E. Pajer, C. Pichon, T. Nishimichi, S. Codis and F. Bernardeau

MNRAS 474 (3): 2853–2870 (2018)arXiv:1708.02206


May 2017

A question of separation: disentangling tracer bias and gravitational nonlinearity with counts-in-cells statistics
C. Uhlemann, M. Feix, S. Codis, C. Pichon, F. Bernardeau, 

B. L'Huillier, J. Kim, S. E. Hong, C. Laigle, C. Park, J. Shin and D. Pogosyan

MNRAS 473 (4): 5098–5112 (2018), arXiv:1705.08901


December 2016

Two is better than one: joint statistics of density and velocity in concentric spheres as cosmological probe

C. Uhlemann, S. Codis, O. Hahn, C. Pichon and F. Bernardeau

MNRAS 469 (2): 2481-2497 (2017)arXiv:1612.00019


July 2016

Beyond Kaiser bias: mildly non-linear two-point statistics of densities in distant spheres

C. Uhlemann, S. Codis, J. Kim, C. Pichon, F. Bernardeau, D. Pogosyan, C. Park and B. L’Huillier 

MNRAS 466 (2): 2067-2084 (2017)arXiv:1607.01026


June 2016

Choose to smooth: Gaussian streaming with the truncated Zel'dovich approxmation
M. Kopp, C. Uhlemann, I. Achitouv


March 2016

Encircling the dark: constraining dark energy via cosmic density in spheres
S. Codis, C. Pichon, F. Bernardeau, C. Uhlemann, S. Prunet

December 2015

Back in the saddle: Large-deviation statistics of the cosmic log-density field

C. Uhlemann, S. Codis, C. Pichon, F. Bernardeau, P. Reimberg

MNRAS 460 (2): 1529-1541 (2016)arXiv:1512.05793


March 2015

Edgeworth streaming model for redshift space distortions

C. Uhlemann, M. Kopp and T. Haugg

Phys. Rev. D 92, 063004 (2015)arXiv:1503.08837


September 2014

Beyond single-stream with the Schrödinger method


July 2014

Coarse-grained cosmological perturbation theory: stirring up the dust model

March 2014

Schrödinger method as N-body double and UV completion of dust

C. Uhlemann, M. Kopp and T. Haugg

Phys. Rev. D 90, 023517 (2014)arXiv:1403.5567

Pancake-collapse in phase-space 

comparison between the Schrödinger method (shaded blue) and the Zeldovich approximation (dotted red)

left: initial single-streaming regime, middle: intermediate multi-streaming stage, right: final virialization 


December 2013

Newton to Einstein - dust to dust

M. Kopp, C. Uhlemann and T. Haugg

JCAP03 (2014) 018arXiv:1312.3638 

THESES

July 2015

Theoretical models for the formation of the large-scale structure in the Universe
PhD thesis (summa cum laude), supervised by Prof. Stefan Hofmann at LMU Munich

October 2012

Stability of Generalized Kasner spacetimes

Diploma thesis in Physics, supervised by Prof. Alejandro Ibarra at TU Munich

September 2012

Cosmological Perturbation Theory in an anisotropic universe

Master thesis in Theoretical and Mathematical Physics, supervised by Prof. Stefan Hofmann at LMU Munich

June 2011

Renormalization of the regularized relativistic electron-positron field

Bachelor thesis in Mathematics, supervised by Prof. Heinz Siedentop at LMU Munich

RESEARCH INTERESTS


Theoretical Cosmology, Astrophysics 

and Gravitational Physics


Large scale structure

cosmic web, matter and halo correlation functions, redshift space distortions


Dark matter dynamics and self-gravitating systems

perturbation theory, spherical collapse,

approximate quantal methods for classical dynamics, Vlasov-Poisson and Schrödinger-Poisson equations


Large Deviation Statistics

theory of large deviations from statistical mechanics and it's application in cosmology


Cosmological Perturbation Theory

stability analysis, primordial anisotropy


Gravitational Singularities

BKL conjecture, mixmaster universe