Cora Uhlemann

PostDoc in Theoretical Cosmology

Research & Publications

PUBLICATIONS

You can find my articles on the preprint server arxiv: Cora Uhlemann's articles on arXiv

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

submitted to MNRAS, arXiv:1711.04767


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

accepted in MNRAS, 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

accepted in MNRAS, 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

Phys. Rev. D 94, 123522 (2016), arXiv:1606.02301


March 2016

Encircling the dark: constraining dark energy via cosmic density in spheres
S. Codis, C. Pichon, F. Bernardeau, C. Uhlemann, S. Prunet
MNRAS 460 (2): 1549-1554 (2016), arXiv:1603.03347

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


July 2014

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

C. Uhlemann and M. Kopp

Phys. Rev. D 91, 084010 (2015) arXiv:1407.4810 


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 

REVIEWS & PROCEEDINGS

July 2015

Theoretical models for the formation of the large-scale structure in the Universe
PhD thesis of Cora Uhlemann done under the supervision of Stefan Hofmann at LMU Munich

September 2014

Beyond single-stream with the Schrödinger method

C. Uhlemann and M. Kopp

Proceedings IAU Symposium 308 The Zeldovich Universe, arXiv:1409.7694

RESEARCH INTERESTS


Cosmology and Gravitational Physics


Large scale structure

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


Self-gravitating systems

formation of dark matter halos and voids


Dark Matter Dynamics

approximate methods for cold dark matter  with the Schrödinger-Poisson equation, spherical collapse


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