Cosmo 07

21 Aug 2007, 02:00 → 25 Aug 2007, 14:00 Europe/London

University of Sussex

International Workshop on Particle Physics and the Early Universe.

Supported by:

Science and Technology Facilities Council, Institute for Particle Physics Phenomenology, Royal Astronomical Society

Arrival information arrival.pdf

document Cosmo07PaymentForm.doc Cosmo07PaymentForm.pdf

Tuesday, 21 August

09:15 → 12:30 Plenaries Tuesday

09:15 Registration

09:45 Welcome and Introduction

Speaker: Organisers

document arrival.pdf

09:55 Inflation

Speaker: Prof. Lev Kofman (CITA)

Slides Kofman.pdf

10:35 Coffee break

11:10 Gravitational Waves

Speaker: Prof. Sheila Rowan (Glasgow)

Slides Rowan.pdf

11:50 Tests of Gravitation

Speaker: Dr Clive Speake (Birmingham)

Slides Speake.pdf

12:30 → 13:45 Lunch

13:45 → 17:45 Dark Energy and Modified Gravity

13:45 The sound of darkness

Speaker: Dr Marco Bruni (University of Portsmouth and University of Rome "Tor Vergata")

Slides Bruni.pdf

14:03 Complementarity of Dark Energy Probes

Speaker: Dr Jochen Weller (University College London)

Slides Weller.ppt

14:21 Cosmological Constraints from Type Ia SNe Peculiar Velocities

Speaker: Dr Christopher Gordon (University of Oxford)

Slides Gordon.pdf

14:39 Parametering Dark Energy

Speaker: Mr Zhiqi Huang (CANADIAN INSTITUTE OF THEORETICAL ASTROPHYSICS)

Slides Huang.ppt

14:57 Deviations from a cosmological constant: a field-space parameterization

Speaker: Dr Robert Crittenden (Institute of Cosmology and Gravitation)

Slides Crittenden.ppt

15:15 Tea break

15:45 Conditions for the cosmological viability of f(R) dark energy models

Speaker: Dr Shinji Tsujikawa (Gunma National College of Technology)

Slides Tsujikawa.pdf

16:00 Do consistent f(R) models mimic General Relativity?

Speaker: Mr Stephen Appleby (University of Manchester)

Slides Appleby.ppt

16:15 Dynamics of Linear Perturbations in Modified Gravity

Speaker: Dr Allesandra Silvestri (Syracuse University)

Slides Silvestri.pdf

16:30 Modifications of Gravity: constraints and instabilities

Speaker: Dr Antonio De Felice (University of Sussex)

Slides De_Felice.pdf

16:45 Solutions of modified field equations in f(R) theories of gravity

Speaker: Dr Tuomas Multamaki (University of Turku)

Slides Multamaki.pdf

17:00 Spherically symmetric spacetimes in f(R) gravity theories

Speaker: Mr Daniel Sunhede (Dept. of Physics, University of Jyvaskyla)

Slides Sunhede.pdf

17:15 Signature change, vacuum condensation and cosmological constant

Speaker: Dr Farhad Darabi (Azarbaijan University of Tarbiat Moallem)

17:30 Dynamical Dark Energy or Simply Cosmic Curvature?

Speaker: Ms Marina Cortes (Astronomy Centre, University of Sussex)

13:45 → 17:45 Inflation

13:45 The three-point correlator and the second order Klein-Gordon equation

Speaker: Dr Karim MALIK (QMUL)

Slides Karim_Malik.pdf

14:03 Primordial non-Gaussianity from inflation

Speaker: Mr Christian BYRNES (ICG)

Slides chris_byrnes.ppt

14:21 Primordial Non-Gaussianity in Multi-Scalar Slow-Roll Inflation

Speaker: Dr Teruaki SUYAMA (ICRR Tokyo)

Slides teruaki_Suyama.ppt

14:39 Non-Gaussianity of the primordial perturbation in the curvaton model

Speaker: Dr Jussi VALIVIITA (ICG)

Slides Jussi_Valiviita.pdf

14:57 Stochastic Inflation revisited: Non-slow roll statistics and DBI inflation

Speaker: Dr Andrew TOLLEY (Perimeter)

Slides AndrewTolley.pdf

15:15 Tea break

15:45 Dynamics of superinflation in Loop Quantum Cosmology

Speaker: Dr Nelson NUNES (DAMTP)

Slides nunes.pdf

16:00 Classical approximation to quantum cosmological correlations

Speaker: Mr Meindert VAN DER MEULEN (Amsterdam)

Slides Meindert_van_der_meulen.pdf

16:15 Loop corrections to the primordial perturbations

Speaker: Ms Yuko URAKAWA (Waseda)

Slides YukoUrakawa.ppt

16:30 Radiative Lifting of Flat Directions during Inflation

Speaker: Dr Bjorn GARBRECHT (Manchester)

Slides Bjorn_Garbrecht.pdf

16:45 A graviton propagator for inflation

Speaker: Mr Thomas JANSSEN (Utrecht)

Slides Tomas_Janssen.ps

17:00 Supergravity origin of the MSSM inflation

Speaker: Mr Sami NURMI (Helsinki)

Slides Sami_Nurmi.pdf

17:15 D-term chaotic inflation in supergravity

Speaker: Dr Masahide YAMAGUCHI (Aoyama)

Slides MASAHIDE_YAMAGUCHI.ppt

17:30 Right-Handed Sneutrino Modification of D-term Hybrid Inflation in Non-minimal Supergravity

Speaker: Mr Chia-Min LIN (Lancaster)

Slides Chia_Min_Lin.pdf

13:45 → 17:45 Strings and Branes in Cosmology

13:45 Cosmology, Dark Matter and Galaxy Formation from Strings Theory

Speaker: Dr Tonatiuh Matos (Centro de Investigacion y de Estudios Avanzados del IPN (Mexico))

Slides TMatos.ppt

14:00 Curvature perturbations from ekpyrotic collapse with multiple fields

Speaker: Dr Shuntaro Mizuno (Tokyo)

Slides mizuno.pdf

14:15 Braneworld cosmological perturbations

Speaker: Dr Sanjeev Seahra (Institute of Cosmology and Gravitation, Portsmouth)

Slides Seahra.pdf

14:30 Time dependent solutions in six dimensional supergravity

Speaker: Osamu Seto (Madrid)

14:45 Cosmological evolution of regularized branes in 6D warped flux compactifications

Speaker: Mr Masato Minamitsuji (ASC, LMU)

Slides cosmo07_minamitsuji.ppt

15:00 Brane cosmological solutions in six-dimensional warped flux compactifications

Speaker: Dr Tsutomu Kobayashi (Waseda University)

Slides cosmo07_kobayashi.ppt

15:15 Tea break

15:45 The Effective Field Theory of Codimension-two Branes

Speaker: Dr Claudia de Rham (McMaster / Perimeter Institute)

Slides deRham.ppt

16:05 Dynamics of colliding branes and black brane production

Speaker: Mr Yuichi Takamizu (Waseda)

Slides Cosmo07_Takamizu.ppt

16:25 Big Bang Nucleosynthesis as a probe of fundamental ``constants"

Speaker: Dr Thomas Dent (Theoretical Physics, Heidelberg)

Slides DentCosmo07.pdf

16:45 Scaling of non-topological cosmic string networks

Speaker: Prof. Ana Achucarro Achucarro (University of Leiden / UPV-EU Bilbao)

Slides Achucarro.pdf

17:05 Kinematics of String Junctions

Speaker: Prof. Tom Kibble (Imperial College London)

Slides Kibble.pdf

17:25 Field Theoretical Approach to the Formation of Junctions of Cosmic Strings

Speaker: Petja Salmi (Leiden University)

Slides salmi.pdf

18:00 → 20:00 Reception

Wednesday, 22 August

09:15 → 12:30 Plenaries Wednesday

09:15 Supernovae

Speaker: Prof. Ariel Goobar (Stockholm)

Slides Goobar.pdf

09:55 Dark energy

Speaker: Dr Martin Kunz

Slides Kunz.pdf

10:35 Coffee break

11:10 Ultra-high energy Cosmic Rays

Speaker: Dr Johannes Knapp (Leeds)

Slides Knapp.pdf

11:50 Theoretical Developments in Ultra-High Energy Cosmic Radiation

Speaker: Dr Guenter Sigl (IAP)

Slides Sigl.pdf

12:30 → 13:45 Lunch

13:45 → 17:45 Dark Energy and Modified Gravity

13:45 The dark matter sector and new forces mediated by dark energy

Speaker: Dr Carsten Van de Bruck (Department of Applied Mathematics, Sheffield)

Slides Van_de_Brook.ppt

14:03 Detecting Chameleon in the Laboratory

Speaker: Dr Philippe Brax (SPHT Saclay)

Slides Brax.ppt

14:21 Detecting Chameleon Fields through Casimir Force Measurements

Speaker: Dr Douglas Shaw (DAMTP, University of Cambridge)

Slides Shaw.pdf

14:39 Renormalisation group running of gravitational couplings

Speaker: Dr Daniel Litim (Sussex University)

Slides Litim.pdf

14:57 The Stability Issue In Models Of Neutrino Dark Energy

Speaker: Mr Ole Bjaelde (Department of Physics and Astronomy, University of Aarhus)

Slides Bjaelde.ppt

15:15 Tea break

15:45 BBN Constraints on Scaling Quintessence Models and Dark Energy Surveys

Speaker: Mr Antonio Cardoso (Institute of Cosmology and Gravitation, University of Portsmouth)

Slides Cardoso.pdf

16:00 Superluminal signal propagation in k-essence cosmology

Speaker: Dr Sergei Winitzki (Department of Physics, Munich)

Slides Winitzki.pdf

16:15 Turnaround in Cyclic Cosmology

Speaker: Prof. Paul Frampton (UNC-Chapel Hill)

Slides Frampton.pdf

16:30 Solar System Constraints on Gauss-Bonnet Mediated Dark Energy

Speaker: Dr Stephen Davis (Instituut-Lorentz)

Slides scdavis.pdf

16:45 Stealth Acceleration and Modified Gravity

Speaker: Dr Antonio Padilla (University of Nottingham)

Slides Padilla.ppt

17:00 A dark energy model with accelerating Chaplygin gas in decelerating DGP geometry.

Speaker: Prof. Matts Roos (University of Helsinki)

Slides Roos.ppt

17:15 Non-linear interactions in a cosmological background in the DGP braneworld model

Speaker: Mr Fabio Silva (Institute of Cosmology and Gravitation, Portsmouth)

Slides Silva.pdf

17:30 Backreaction from Linear Perturbations

Speaker: Dr Iain Brown (Institut fur Theoretische Physik, Univeristat Heidelberg)

Slides Brown.pdf

13:45 → 17:30 Dark Matter

13:45 Sterile neutrinos with a pinch of pepper (13

Speaker: Dr Anze SLOSAR (University of Oxford)

Slides Slosar.odp

14:00 The WIMP of a Minimal Technicolor Theory (13

Speaker: Jussi VIRKAJäRVI (University of Jyväskylä)

Slides Virkajarvi.pptm

14:15 Massive antisymmetric tensor field as dark matter (13

Speaker: Tomislav PROKOPEC (Utrecht University)

Slides Prokopec.ppt.ppt

14:30 The inflaton as dark matter (13

Speaker: Andrew LIDDLE (University of Sussex)

Slides liddle_dm.pdf

14:45 Were Primordial Black Holes ever formed in the early Universe? (13")

Speaker: Carlos HIDALGO (Queen Mary College)

15:00 Curvature profiles as initial conditions for primordial black hole formation

Speaker: Ilia Musco (Queen Mary, University of London)

15:15 Tea break

15:45 Free Streaming and Non-Thermally Produced Dark Matter (13

Speaker: Tomo TAKAHASHI (Saga University)

16:00 Late time stau dilution by Q balls (13

Speaker: Shinta KASUYA (Kanagawa University)

Slides Kasuya.pdf

16:15 Long-lived charged massive particle and the effects on cosmology (13

Speaker: Kazunori KOHRI (Lancaster University)

Slides Kohri.pdf

16:30 Reheating temperature from Axino (Gravitino) LSP with LHC (13")

Speaker: Ki Young CHOI (University of Sheffield)

16:45 The cosmic 6Li and 7Li anomalies: Signs of the dark Universe? (13

Speaker: Karsten JEDAMZIK (LPTA Montpellier)

Slides Jedamzik.pdf.pdf

17:00 Dark Matter in the Constrained MSSM - A New Approach to an Old Problem (13

Speaker: Leszek ROSZKOWSKI (University of Sheffield)

Slides Roszkowski.pdf.pdf

17:15 Determining the WIMP mass using direct detection experiments (13

Speaker: Anne GREEN (University of Nottingham)

13:45 → 15:15 Large-Scale Structure

13:45 The cosmological gravitational wave background from primordial density perturbations

Speaker: Dr Kishore Ananda (University of Cape Town)

Slides KAnanda.ppt

14:00 Observational bounds on the cosmic radiation density

Speaker: Dr Jan Hamann (TU Munich)

Slides hamann.pdf

14:15 Constraining Cosmology with Peculiar Velocities of Type Ia Supernovae

Speaker: Dr Troels Haugboelle (Aarhus University)

Slides Troels-Haugboelle-Cosmo2007.ppt

14:30 Primordial black holes in the dark ages

Speaker: Ms Katherine Mack (Princeton University)

Slides Mack_final.ppt

14:45 Baryonic Acoustic Oscillation via the Renormalization Group

Speaker: Dr Massimo Pietroni (INFN-Padova)

Slides Pietroni_Cosmo_07.pdf

15:00 Cluster cosmology from XCS

Speaker: Mr Martin Sahlen (University of Sussex)

Slides MSahlenCosmo22Aug07.ppt

15:45 → 17:50 Strings and Branes in Cosmology

15:45 P-term Cosmology

Speaker: Prof. Anne Davis (DAMTP, University of Cambridge)

Slides adavis.ppt

16:05 Spinflation

Speaker: Dr Damien Easson (Durham University)

Slides Easson-COSMO07.pdf

16:25 Wam inflation in small field models: a stringy realization

Speaker: Mr Juan Carlos Bueno Sanchez (Lancaster University)

Slides JCBuenoSanchez.ppt.ppt

16:45 Moduli Stabilisation in the Presence of Matter Fields

Speaker: Dr Lisa Hall (University of Sheffield)

Slides Lisa_Hall_Cosmo07.pdf

17:00 Mass Scales on Braneworlds

Speaker: Prof. Katherine Benson (Agnes Scott College)

Slides benson.pdf

17:15 Dynamics in Nonlocal Cosmological Models Derived from String Field Theory

Speaker: Dr Liudmila Joukovskaya (University of Cambridge)

Slides cosmo07joukovskaya.ppt.ppt COSMO-07-talk-l.joukovskaya.ppt

17:30 Nonlocal cosmology from string theory

Speaker: Dr Gianluca Calcagni (University of Sussex)

Slides CuTac2cosmo.pdf

Thursday, 23 August

09:15 → 12:30 Plenaries Thursday

09:15 Electroweak baryogenesis

Speaker: Dr Stephan Huber (Sussex)

Slides Huber.pdf

09:55 Leptogenesis and low energy neutrino physics

Speaker: Dr Silvia Pascoli (IPPP)

Slides Pascoli.pdf

10:35 Coffee break

11:10 Neutrino telescopes

Speaker: Dr Juergen Brunner (Marseille)

Slides Brunner.pdf

11:50 Magnetic fields and gravitational waves

Speaker: Prof. Ruth Durrer (Geneva)

Slides Durrer.ppt

12:30 → 13:45 Lunch

13:45 → 18:00 Free afternoon

Friday, 24 August

09:15 → 12:30 Plenaries Friday

09:15 Dark matter searches

Speaker: Prof. Hans Kraus (Oxford)

Slides Krauss.pdf

09:55 Dark matter candidates

Speaker: Dr Laura Covi (DESY)

Slides Covi.pdf

10:35 Coffee break

11:10 Weak lensing

Speaker: Prof. Andy Taylor (Edinburgh)

Slides Taylor.pdf

11:50 Primordial non-Gaussianity

Speaker: Prof. David Lyth (Lancaster)

Slides Lyth.pdf

12:30 → 13:45 Lunch

13:45 → 17:30 Cosmic Microwave Background

13:45 Correlations in the CMB due to dark energy

Speaker: Dr Richard Battye (Manchester)

Slides Battye.pdf

14:05 The CMB bispectrum from Inflation

Speaker: Paul Shellard (Cambridge)

Slides Shellard.pdf

14:25 B-mode from strings

Speaker: Levon Pogosian (Fraser)

Slides Pogosian.pdf

14:45 Cosmological Nested Sampling

Speaker: David Parkinson (Sussex)

Slides Parkinson.ppt

15:05 Tea break

15:45 The large scale CMB cut-off and the tensor-to-scalar ratio

Speaker: Gavin Nicholson (Imperial)

Slides Nicholson.ppt

16:05 CMB predictions from semilocal strings

Speaker: Jon Urrestilla (Sussex)

Slides jon-cosmo07.pdf

16:25 Thermalising a monochromatic neutrino beam.

Speaker: Anders BASBøLL (Århus)

Slides Basboll.odp

16:45 Hints of Isocurvature Perturbations in the Cosmic Microwave Background?

Speaker: Vesa Muhonen (Helsinki)

Slides muhonen.pdf

17:05 Vector modes induced by primordial density fluctuations

Speaker: Teresa Hui-Ching Lu (Cape Town)

Slides Lu.pdf

13:45 → 17:45 Inflation

13:45 Eternal inflation on the landscape

Speaker: Dr Dmitri PODOLSKIY (Helsinki)

14:00 New constraints on the observable inflaton potential from WMAP and SDSS

Speaker: Mr Wessel VALKENBURG (LAPTH)

14:15 Roulette Inflation

Speaker: Mr Pascal VAUDREVANGE (CITA)

14:30 Oscillations in the inflaton potential?

Speaker: Mr Cedric PAHUD (Sussex)

14:45 Testing flat tree-level potentials with CMB and LSS data

Speaker: Mr Guillermo BALLESTEROS (Madrid)

15:00 Analyzing WMAP Observation from Quantum Gravity

Speaker: Dr Ken-ji HAMADA (KEK)

Slides HamadaCOSMO07(Sussex).pdf

15:15 Tea break

15:45 Nflation: observational predictions from the random matrix mass spectrum

Speaker: Ms Soo A KIM (Sussex)

16:00 Enhancement of Dirac-Born-Infeld inflaton field perturbations on super-Hubble scales

Speaker: Dr Pravabati CHINGANGBAM (KIAS)

16:15 Decoherence from Isocurvature Perturbations in Inflation

Speaker: Dr Gerasimos RIGOPOULOS (Utrecht)

16:30 Non-gaussianity from the trispectrum in general single field inflation

Speaker: Mr Frederico ANACLETO ARROJA (ICG)

16:45 Density Perturbations in the Universe from Massive Vector Fields

Speaker: Dr Konstantinos DIMOPOULOS (Lancaster)

17:00 Non-linear vector perturbations in a contracting universe

Speaker: Dr David MULRYNE (DAMTP)

17:15 Scale-invariance in expanding and contracting universes from two-field models

Speaker: Dr Daniel WESLEY (DAMTP)

17:30 The Cosmological Slingshot Scenario

Speaker: Dr Cristiano GERMANI (SISSA)

13:45 → 17:45 Non-Equilibrium Field Theory, Baryogenesis, Primordial Magnetic Fields

13:45 Warm inflation susy models in the close to equilibrium regime

Speaker: Dr Mar Bastero-Gil (University of Granada)

Slides Cosmo07_Bastero-Gil.pdf

14:05 Leptogenesis in the left-right symmetric seesaw mechanism

Speaker: Dr Thomas Konstandin

Slides Cosmo07_Konstandin.pdf

14:25 Complex hybrid inflation and baryogenesis

Speaker: Dr Luis Urena-Lopez

Slides Cosmo07_Urena-Lopez.pdf

14:45 Cosmic String Magnetogenesis: Loops and Straight String Encounters

Speaker: Dr Mark Wyman

Slides Cosmo07_Wyman.pdf

15:15 Tea break

15:45 Non-Gaussianity from preheating

Speaker: Dr Arttu Rajantie

Slides Cosmo07_Rajantie.pdf

16:05 Gravitational Waves from Preheating after Inflation

Speaker: Dr Jean-Francois Dufaux

Slides Cosmo07_Dufaux.pdf

16:25 Polarized relic gravitational waves

Speaker: Dr Tina Kahniashvili

Slides Cosmo07_Kahniashvili.pdf

16:45 The behaviour of inflationary primordial perturbations during sharp transitions into radiation domination

Speaker: Dr Ignacio Zaballa

Slides Cosmo07_Zaballa.pdf

17:05 Cosmological Phase Transition and Electromagnetic Field

Speaker: Dr Michiyasu Nagasawa

Slides Cosmo07_Nagasawa.pdf

18:30 → 22:30 Conference Dinner

Saturday, 25 August

09:15 → 12:30 Plenaries Saturday

09:15 Strings and Cosmology

Speaker: Prof. Cliff Burgess (Perimeter/McMaster)

Slides Burgess.ppt

09:55 Braneworlds

Speaker: Dr Kazuya Koyama (Portsmouth)

Slides Koyama.pdf

10:35 Coffee break

11:10 Non-equilibrium field theory in cosmology

Speaker: Dr Juergen Berges (Darmstadt)

Slides Berges.pdf

11:50 Conference summary

Speaker: Prof. Subir Sarkar (Oxford)

Slides Sarkar.pdf

12:30 → 13:30 Packed Lunch