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

09:30 → 10:30 Welcome + Status of the mission

Speaker: Pierre Binetruy

10:30 → 15:45 First Order Phase Transitions

10:30 Models with strong GW signature

Speaker: Thomas Konstandin

Slides seminar_v3.pdf

11:00 Coffee Break

11:30 Bubble wall velocity

Speaker: Ariel Megevand

Slides wallvelocity.pdf

12:00 GW from sound waves

Speaker: Mark Hindmarsh

Slides G-Waves_2015_CERN_Hindmarsh.pdf

12:30 GW from collision and turbulence

Speaker: Ruth Durrer

Slides ruth_durrer.pdf

13:00 Lunch

14:30 The EWPT versus LHC constraints

Speaker: Stephan Huber

Slides Cern_2015_huber.pptx.pdf

15:00 Discussion on GW from IOPT

Speaker: Daniel G. Figueroa (CERN)

15:45 → 16:15 Coffee Break

16:15 → 19:00 GW Detection and pathfinder

16:15 Detection of a stochastic background and noise curves

Speaker: Joe Romano

Slides joe_romano.pdf

17:15 eLISA noise curve

Speaker: Antoine Petiteau

Slides antoine-pdf.pdf

17:45 LISA pathfinder

Speaker: Martin Hewitson

Slides lpf_hewitson_eLISA_cos_CERN.pdf

18:15 Detection discussion

Wednesday 15 April

09:30 → 12:45 Topological defects

09:30 Nambu Goto strings simulations

Speaker: Josè Juan Blanco-Pillado

Slides blanco-pillado.pdf

10:00 Field theory cosmic strings

Speaker: Jon Urrestilla

Slides jon_urestilla.pdf

10:30 Strings and CMB

Speaker: Christophe Ringeval

Slides ringeval_geneva_15.pdf

11:00 Coffee Break

11:30 EPTA constraints on the GW from cosmic strings

Speaker: Sotiris Sanidas

Slides sotiris_sanidas.pdf

12:00 Cosmic strings discussion

Speakers: Jose Juan Blanco-Pillado, Mark Hindmarsch

12:45 → 14:00 Lunch

14:00 → 15:00 Colloquium

Speaker: Bernard Schutz

15:00 → 15:30 Coffee break

15:30 → 17:15 Standard Sirens

15:30 Cosmology with standard sirens

Speaker: Daniel Holz

Slides daniel_holz.pdf

16:00 GW Propagation in the inhomogeneous universe

Speaker: Camille Bonvin

Slides camille_bonvin.pdf

16:30 Standard sirens discussion

18:30 → 21:00 Reception

Thursday 16 April

08:30 → 12:45 Tests of GR

09:30 Testing GR with GW

Speaker: Christopher Berry

Slides christopher_berry.pdf

10:00 Testing GR with cosmology

Speaker: Constantinos Skordis

Slides costantinos_skordis.pdf

10:30 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

11:30 Prospects of testing GR with GW detectors

Speaker: Walter Del Pozzo

Slides walter_delpozzo.pdf

12:00 Testing GR discussion

Speaker: Diego Blas Temino (CERN)

12:45 → 14:30 Lunch

14:30 → 16:15 Structure formation

14:30 Structure formation and MBH merger events

Speaker: Alberto Sesana

Slides sesana_CERN15.pdf

15:00 GW and structure formation

Speaker: Fabian Schmidt

Slides fabian_schmidt.pdf

15:30 Structure formation discussion

Speaker: Vincent Desjacques (leads the discussion)

16:15 → 16:45 Coffee break

16:45 → 18:15 Working subgroups discussion + summary

Friday 17 April

09:30 → 12:45 Inflation and beyond

09:30 Inflationary GW: prospects of measurement in the near future

Speaker: Andrew Jaffe

Slides Jaffe-eLISA_2015.pdf

10:00 GW signal from preheating

Speaker: Arttu Rajantie

Slides rajantie_CERN_2015.pdf

10:30 GW from particle production during inflation

Speaker: Enrico Pajer

11:00 Coffee break

11:30 GW from B-L PT

Speaker: Valerie Domcke

Slides valerie_domke.pdf

12:00 Inflation and beyond discussion

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

12:45 → 13:00 Final summary