eLISA Cosmology Working Group Workshop

14 Apr 2015, 08:00 → 17 Apr 2015, 13:00 Europe/Zurich

4/3-006 - TH Conference Room (CERN)

For the second eLISA CosWG workshop, please visit
 http://indico.cern.ch/e/SecondeLISACosWG

This is the first workshop of the eLISA cosmology working group. The aim is to identify and discuss scientific topics and research projects relevant in the context of the next Gravitational Wave Observatory, the mission approved by ESA for L3 launch.

The deadline for registration is April 7th.

Organizers:  
   Diego Blas (CERN)
   Chiara Caprini (CNRS IPhT Saclay)
   Daniel Figueroa (CERN)
   Germano Nardini (DESY)

Invited Speakers: 

   E. Barausse (IAP Paris)
   C. Berry (University of Birmingham)
   P. Binetruy (APC Paris)
   J.J. Blanco-Pillado (University of the Basque Country & Ikerbasque)
   C. Bonvin (CERN)
   W. Del Pozzo (University of Birmingham)
   V. Domcke (SISSA)
   R. Durrer (University of Geneva)
   M. Hewitson (AEI Hannover)
   M. Hindmarsh (University of Sussex)
   D. Holz (University of Chicago)
   S. Huber (University of Sussex)
   A. Jaffe (Imperial College London)
   T. Konstandin (DESY)
   A. Megevand (University Mar del Plata)
   E. Pajer (University of Utrecht)
   A. Petiteau (APC Paris)
   A. Rajantie (Imperial College London)
   C. Ringeval (University of Louvain)
   J. Romano (University of Texas at Brownsville)
   S. Sanidas (University of Manchester)
   F. Schmidt (Max Planck Garching)
   B. Schutz (Cardiff University & AEI Golms)
   A. Sesana (AEI Potsdam & University of Birmingham)
   C. Skordis (University of Cyprus)
   J. Urrestilla (University of the Basque Country)

Tuesday 14 April

1 Welcome + Status of the mission

Speaker: Pierre Binetruy

First Order Phase Transitions

2 Models with strong GW signature

Speaker: Thomas Konstandin

Slides seminar_v3.pdf

11:00 Coffee Break

3 Bubble wall velocity

Speaker: Ariel Megevand

Slides wallvelocity.pdf

4 GW from sound waves

Speaker: Mark Hindmarsh

Slides G-Waves_2015_CERN_Hindmarsh.pdf

5 GW from collision and turbulence

Speaker: Ruth Durrer

Slides ruth_durrer.pdf

13:00 Lunch

6 The EWPT versus LHC constraints

Speaker: Stephan Huber

Slides Cern_2015_huber.pptx.pdf

7 Discussion on GW from IOPT

Speaker: Daniel G. Figueroa (CERN)

15:45 Coffee Break

GW Detection and pathfinder

8 Detection of a stochastic background and noise curves

Speaker: Joe Romano

Slides joe_romano.pdf

9 eLISA noise curve

Speaker: Antoine Petiteau

Slides antoine-pdf.pdf

10 LISA pathfinder

Speaker: Martin Hewitson

Slides lpf_hewitson_eLISA_cos_CERN.pdf

11 Detection discussion

Wednesday 15 April

Topological defects

12 Nambu Goto strings simulations

Speaker: Josè Juan Blanco-Pillado

Slides blanco-pillado.pdf

13 Field theory cosmic strings

Speaker: Jon Urrestilla

Slides jon_urestilla.pdf

14 Strings and CMB

Speaker: Christophe Ringeval

Slides ringeval_geneva_15.pdf

11:00 Coffee Break

15 EPTA constraints on the GW from cosmic strings

Speaker: Sotiris Sanidas

Slides sotiris_sanidas.pdf

16 Cosmic strings discussion

Speakers: Jose Juan Blanco-Pillado, Mark Hindmarsch

12:45 Lunch

17 Colloquium

Speaker: Bernard Schutz

15:00 Coffee break

Standard Sirens

18 Cosmology with standard sirens

Speaker: Daniel Holz

Slides daniel_holz.pdf

19 GW Propagation in the inhomogeneous universe

Speaker: Camille Bonvin

Slides camille_bonvin.pdf

20 Standard sirens discussion

Reception

Thursday 16 April

Tests of GR

21 Testing GR with GW

Speaker: Christopher Berry

Slides christopher_berry.pdf

22 Testing GR with cosmology

Speaker: Constantinos Skordis

Slides costantinos_skordis.pdf

23 Testing gravity theories with gravitational waves and compact objects: the case of Lorentz violating gravity

Speaker: Enrico Barausse

Slides enrico_barausse.pdf

11:00 Coffee break

24 Prospects of testing GR with GW detectors

Speaker: Walter Del Pozzo

Slides walter_delpozzo.pdf

25 Testing GR discussion

Speaker: Diego Blas Temino (CERN)

12:45 Lunch

Structure formation

26 Structure formation and MBH merger events

Speaker: Alberto Sesana

Slides sesana_CERN15.pdf

27 GW and structure formation

Speaker: Fabian Schmidt

Slides fabian_schmidt.pdf

28 Structure formation discussion

Speaker: Vincent Desjacques (leads the discussion)

16:15 Coffee break

Working subgroups discussion + summary

Friday 17 April

Inflation and beyond

29 Inflationary GW: prospects of measurement in the near future

Speaker: Andrew Jaffe

Slides Jaffe-eLISA_2015.pdf

30 GW signal from preheating

Speaker: Arttu Rajantie

Slides rajantie_CERN_2015.pdf

31 GW from particle production during inflation

Speaker: Enrico Pajer

11:00 Coffee break

32 GW from B-L PT

Speaker: Valerie Domcke

Slides valerie_domke.pdf

33 Inflation and beyond discussion

Speakers: Dr Eugene Lim (KCL), Juan Garcia-Bellido (Universidad Autonoma de Madrid)

Final summary