2015 report

2015 report

 

2015 publications

S. Räsänen in T. Buchert et al.,
Is there proof that backreaction of inhomogeneities is irrelevant in cosmology?,
Class. Quantum Grav. 32 (2015) 215021

K. Enqvist, D. J. Mulryne, and S. Nurmi,
Resolving primordial physics through correlated signatures,
J. Cosmol. Astropart. Phys. 05 (2015) 010

K. Enqvist, S. Nadathur, T. Sekiguchi, and T. Takahashi,
Decaying dark matter and the tension in σ8,
J. Cosmol. Astropart. Phys. 09 (2015) 067

A. Golovnev, M. Karčiauskas, and H. J. Nyrhinen,
ADM analysis of gravity models within the framework of bimetric variational formalism,
J. Cosmol. Astropart. Phys. 05 (2015) 021

M. Herranen, T. Markkanen, S. Nurmi, and A. Rajantie,
Spacetime curvature and Higgs stability after inflation,
Phys. Rev. Lett. 115 (2015) 241301

M. Hindmarsh, S. J. Huber, K. Rummukainen, and D. J. Weir,
Numerical simulations of acoustically generated gravitational waves at a first order phase transition,
Phys. Rev. D 92 (2015) 123009

K. Horiguchi, K. Ichiki, T. Sekiguchi, and N. Sugiyama,
Primordial magnetic fields from self-ordering scalar fields,
J. Cosmol. Astropart. Phys. 04 (2015) 007

S. Hotchkiss, S. Nadathur, S. Gottlöber, I. T. Iliev, A. Knebe, W. A. Watson, and G. Yepes,
The Jubilee ISW Project – II. Observed and simulated imprints of voids and superclusters on the cosmic microwave background,
Mon. Not. R. Astron. Soc. 446 (2015) 1321

K. Kainulainen, K. Tuominen, and J. Virkajärvi,
A model for dark matter, naturalness and a complete gauge unification,
J. Cosmol. Astropart. Phys. 07 (2015) 034

M. Kawasaki, K. Saikawa, and T. Sekiguchi,
Axion dark matter from topological defects,
Phys. Rev. D 91 (2015) 065014

K. Kettula et al.,
CFHTLenS: weak lensing calibrated scaling relations for low-mass clusters of galaxies,
Mon. Not. R. Astron. Soc. 451 (2015) 1460

M. Lavinto and S. Räsänen,
CMB seen through random Swiss Cheese,
J. Cosmol. Astropart. Phys. 10 (2015) 057

T. Markkanen,
Curvature induced running of the cosmological constant,
Phys. Rev. D 91 (2015) 124011

T. Markkanen, S. Räsänen, and P. Wahlman,
Inflation without quantum gravity,
Phys. Rev. D 91 (2015) 084064

K. Kettula in M. Mirkazemi et al.,
Brightest X-ray clusters of galaxies in the CFHTLS wide field: catalog and optical mass estimator,
Astrophys. J. 799 (2015) 60

H. F. S. Mota and M. Hindmarsh,
Big-bang nucleosynthesis and gamma-ray constraints on cosmic strings with a large Higgs condensate,
Phys. Rev. D 91 (2015) 043001

S. Nadathur and S. Hotchkiss,
The nature of voids – II. Tracing underdensities with biased galaxies,
Mon. Not. R. Astron. Soc. 454 (2015) 889

S. Nadathur and S. Hotchkiss,
The nature of voids – I. Watershed void finders and their connection with theoretical models,
Mon. Not. R. Astron. Soc. 454 (2015) 2228

S. Nadathur, S. Hotchkiss, J. M. Diego, I. T. Iliev, S. Gottlöber, W. A. Watson, and G. Yepes,
Self-similarity and universality of void density profiles in simulation and SDSS data,
Mon. Not. R. Astron. Soc. 449 (2015) 3997

S. Nurmi, T. Tenkanen, and K. Tuominen,
Inflationary imprints on dark matter,
J. Cosmol. Astropart. Phys. 11 (2015) 001

A. Ota, T. Sekiguchi, Y. Tada, and S. Yokoyama,
Anisotropic CMB distortions from non-Gaussian isocurvature perturbations,
J. Cosmol. Astropart. Phys. 03 (2015) 013

D. Regan and M. Hindmarsh,
The bispectrum of matter perturbations from cosmic strings,
J. Cosmol. Astropart. Phys. 03 (2015) 008

D. Regan and M. Hindmarsh,
The bispectrum of cosmic string temperature fluctuations including recombination effects,
J. Cosmol. Astropart. Phys. 10 (2015) 030

S. Räsänen, K. Bolejko, and A. Finoguenov,
New test of the Friedmann-Lemaître-Robertson-Walker metric using the distance sum rule,
Phys. Rev. Lett. 115 (2015) 101301

J. Väliviita and E. Palmgren,
Distinguishing interacting dark energy from wCDM with CMB, lensing, and baryon acoustic oscillation data,
J. Cosmol. Astropart. Phys. 07 (2015) 015

 

2015 conferences and visits out

Nordic Winter School on Cosmology and Particle Physics
January 2-7, Svingvoll, Norway
(talk by T. Tenkanen, talk by V. Vaskonen)

Beyond LCDM Conference
January 7-11, Oslo, Norway
(talk by M. Lavinto, Syksy Räsänen)

Extended theories of gravity
4-13 March, Nordita, Stockholm, Sweden,
(T. Koivisto, talk by H. J. Nyrhinen)

Annual Meeting of the Finnish Physical Society
March 17-19, Helsinki, Finland
(talk by T. Tenkanen)

Kosmologietag Workshop
May 6-8, Bielefeld, Germany
(talk by T. Tenkanen)

Origin of Mass
May 11-22, Odense, Denmar
(talk by K. Kainulainen)

Neutrinos and Dark Matter in Nuclear Physics
June 1-5, Jyväskylä, Finland
(talk by K. Kainulainen)

Spacetime Odyssey Continues
June 1-5, Nordita, Copenhagen, Denmark
(talk by K. Kainulainen)

One Hundred Years of Strong Gravity,
June 8-16, Instituto superior tecnico, Lisbon, Portugal,
(talk by H. J. Nyrhinen)

Research visit to University of Jyväskylä
June 17-18, Jyväskylä, Helsinki
(T. Tenkanen)

Research visit to University of Jyväskylä
August 10-12, Jyväskylä, Helsinki
(T. Tenkanen)

Current Themes in High Energy Physics and Cosmology
August 17-21, Niels Bohr Institute, Denmark
(K. Kainulainen)

Calliolab DM & HIP meeting
September 2, University of Helsinki, Finland
(talk by J. Virkajärvi)

COSMO’15 conference
September 7-11, Warsaw, Poland
(talk by V.-M. Enckell, talk by S. Nurmi, talk by E. Palmgren, talk by T. Tenkanen)

Particle Physics and Cosmology Meeting Workshop
September 17-18, Tampere, Finland
(talk by V.-M. Enckell, H. Jukkala, K. Kainulainen, L. Laulumaa, talk by M.Lavinto, J. Leskinen, S. Nurmi, talk by H. Nyrhinen, S. Räsänen, talk by T. Tenkanen, J. Virkajärvi, talk by V. Vaskonen)

DESY Theory Workshop 2015: Physics at the LHC and beyond
September 29-October 2, Hamburg, Germany
(talk by T. Tenkanen, talk by V. Vaskonen)

Research visit to University of Nottingham
October 12-14, Nottingham, UK
(talk by H. J. Nyrhinen)

University of Stavanger
15 October – 10 November, Stavanger, Norway
(talk by T. Tenkanen)

Research visit to Imperial College London,
November 2-3, London, UK
(talk by T. Tenkanen)

Research visit to Queen Mary University of London
November 4-5, London, UK
(talk by T. Tenkanen)

Research visit to King’s College London
November 6, London, UK
(talk by T. Tenkanen)

Research visit to University of Sussex
November 9-10, Brighton, UK
(talk by T. Tenkanen)

Research visit to ICG Portsmouth
November 11, Portsmouth, UK
(talk by T. Tenkanen)

Research visit to Nordita
November 16-17, Stockholm, Sweden
(talk by T. Tenkanen)

Research visit to CP3 Origins
November 18-20, Odense, Denmark
(T. Tenkanen)

Research visit to Nordita,
November 18 – December 9,
Stockholm, Sweden
(H. J. Nyrhinen)

Research visit to University of Münster
November 19, Münster, Germany
(talk by T. Tenkanen)

Research visit to University of Bielefeld
November 20, Bielefeld, Germany
(talk by T. Tenkanen)

Research visit to University of Heidelberg
November 21-23, Heidelberg, Germany
(talk by T. Tenkanen)

Workshop Particle Physics Day 2015
November 30, Helsinki, Finland
(talk by T. Tenkanen)

Research visit to University of California, Los Angeles
November 30 – December 4, Los Angeles, USA
(talk by T. Tenkanen)

TRR33 Winter School on Cosmology
December 6-11, Passo Tonale, Italy
(J. Leskinen)

Research visit to Stanford University
December 7-11, Palo Alto, USA
(talk by T. Tenkanen)

Research visit to CP3 Origins
December 8-9, Odense, Denmark
(talk by S. Räsänen)

Research visit to Nordita
December 10-14, Copenhagen, Denmark
(talk by S. Räsänen)

28th Texas Symposium on Relativistic Astrophysics
December 13-18, Geneva, CH
(talk by F. Montanari)

Research visit to Dark Cosmology Centre
December 14, Copenhagen, Denmark
(by S. Räsänen)

Dark Matter – Cairo Workshop
December 14-17, Cairo, Egypt
(talk by V. Vaskonen)

Research visit to University of California, Berkeley
December 14-18, Berkeley, USA
(T. Tenkanen)