University of Helsinki, Department of Physical Sciences, Division of Theoretical Physics

Field Theory at Finite Temperature and Density

Main conferences, talks and activities

2008

• Strong and ElectroWeak Matter, Amsterdam, 26-29 August.
  • Keijo Kajantie and Aleksi Kurkela.
  • Talk by Aleksi Kurkela on "Center-symmetric dimensional reduction of hot Yang-Mills theory".
  
  
• XQCD 2008, North Carolina State University, 21-23 July.
  • Aleksi Kurkela.
  
  
• Lattice 2008, College of William and Mary, Williamsburg, Virginia, 14-19 July.
  • Ari Hietanen and Aleksi Kurkela.
  • Talk by Ari Hietanen on "Spectrum of SU(2) gauge theory with two fermions in the adjoint representation".
  • Talk by Aleksi Kurkela on "Center-symmetric dimensional reduction of hot Yang-Mills theory".
  
  
• Mini-workshop on hot and dense QCD, Oulu, 26-28 June.
  • Keijo Kajantie and Aleksi Kurkela.
  • Invited talk by Keijo Kajantie on "Five dimensional black holes and 4d thermodynamics".
  • Invited talk by Aleksi Kurkela on "New results from center-symmetric dimensionally reduced Yang-Mills theory".
  
  
  
• Aleksi Kurkela visits University of Jyväskylä and gives an invited talk on "Dimensional reduction near the deconfinement transition", 25-27 February.
  
  
• Ari Hietanen's doctoral dissertation, Helsinki, 25 April.
  • Opponent Prof. Edwin Laermann from University of Bielefeld.
  • Custos professor Kari Enqvist.
  • The thesis can be found here.
  
  
  
• Aleksi Kurkela's doctoral dissertation, Helsinki, 16 May.
  • Opponent Prof. Simon Hands from Swansea University.
  • Custos professor Kari Enqvist.
  • The thesis can be found here.
  
  

2007

• Aleksi Kurkela gives a talk on "Non-perturbative Pressure of hot QCD", HIP, Helsinki, 16 January.
  
  
• Aleksi Kurkela visits University of Oulu, 1-2 February.
  
  
• Ari Hietanen visits University of Oulu, 5-16 February.
  
  
• Winter School on Conceptual and Numerical Challenges in Femto- and Peta-Scale Physics , Schladming, 24 February - 3 March.
  • Ari Hietanen and Aleksi Kurkela.
  • Talk by Aleksi Kurkela on "Plaquette expectation value and hot QCD".
  
  
• Finnish-Japanese Workshop on Particle Cosmology, Helsinki, 8-9 March.
  • Talk by Keijo Kajantie on "Little bang, big bang and gravity duals".
  
  
• Keijo Kajantie gives a talk on "Expanding systems in gauge theory/gravity duality", HIP, Helsinki, 27 March.
  
  
• Keijo Kajantie visits Perimeter Institute, Waterloo, Canada, 13-25 May.
  
  
• Exotic States of Hot and Dense Matter and their Dual Description, Waterloo, Canada, 22-25 May.
  • Keijo Kajantie and Touko Tahkokallio
  • Invited talk by Keijo Kajantie on "Expanding matter and gravity duals".
  
  
• Touko Tahkokallio visits University of Washington and gives a talk on "The gravity dual of 1+1d Bjorken expansion", Seattle, 28-31 May.
  
  
• Deisa training session, CSC Espoo, 30 May - 1 June, 2007.
  • Ari Hietanen
    • Talk on "Hot and dense nuclear matter in particle physics and cosmology"
  
  
• Mikko Vepsäläinen's doctoral dissertation, Helsinki, 28 June.
  • Opponent Dr. Philippe de Forcrand from ETH Zürich.
  • Custos professor Keijo Kajantie.
  • The thesis can be found here.
  
  
• Lattice 2007, Regensburg, 30 July - 4 August.
  • Ari Hietanen and Aleksi Kurkela.
  • Poster by Ari Hietanen on "Quark number susceptibility of high temperature and finite density QCD".
  • Poster by Aleksi Kurkela on "Z(3)-symmetric effective theory of hot QCD"
  
  
• Summer School on "Lattice QCD and its applications", Seattle, 8-28 August, 2007
  • Aleksi Kurkela
    • Poster on "Z(3)-symmetric effective theory of hot QCD"
  
  
• "Analytic Methods for Quantum Fields at High Temperatures", University of Bielefeld, 10-14 September 2007.
  • Keijo Kajantie gives three lectures on the topic "String-theory inspired methods for hot QCD".
  
  
• Aleksi Kurkela visits Vienna University of Technology and gives an invited talk on "Hot Yang-Mills Theory and The Center Symmetry", 5-12 October.

2006

• Antti Gynther gives a talk on "Pressure of the standard model", HIP, Helsinki, 14 March.
  
  
• Antti Gynther visits Jyväskylä and gives a talk on "Pressure of the standard model", 11 April.
  
  
• Aleksi Kurkela visits University of Bielefeld, 17-22 April.
  
  
• Keijo Kajantie gives a talk on "Solving QCD??", HIP, Helsinki, 3 May.
  
  
• 20th anniversery of J/psi suppression, Brookhaven, 9 May.
  • Keijo Kajantie and Mikko Vepsäläinen.
  • Invited talk by Keijo Kajantie on "Quark-antiquark pair production in heavy ion collisions".
  
  
• Strong and electroweak matter 2006, Brookhaven, 10-13 May.
  • Antti Gynther, Ari Hietanen, Keijo Kajantie and Mikko Vepsäläinen.
  • Talk by Antti Gynther on "Pressure of the standard model".
  
  
• Antti Gynther's doctoral dissertation, Helsinki, 23 May.
  • Opponent professor Andras Patkos from Eötvös Lorand University, Budapest.
  • Custos professor Keijo Kajantie.
  • The thesis can be found here.
  
  
• Keijo Kajantie visits CERN, 4-10 June.
  
  
• Keijo Kajantie gives lectures on "Gauge theory/gravity duality and finite temperature QCD", Jyväskylä, 21 June.
  
  
• Workshop on Hadrons and Strings, Trento, Italy, 17-22 July.
  • Touko Tahkokallio
  
  
• Aleksi Kurkela visits University of Washington, Seattle, 18-22 July.
  
  
• Lattice 2006, Tucson, Arizona, 23-28 July.
  • Ari Hietanen and Aleksi Kurkela.
  • Talk by Ari Hietanen on "Quark number susceptibility in high temperature".
  
  
• Lecture Week on The Physics of Hadrons and Ultrarelativistic Heavy Ion Collisions , Hyytiälä, 25-30 september.
  • Aleksi Kurkela
    • Talk on " Free energy of 3D SU(N) gauge theory".
  
  
• Aleksi Kurkela visits University of Southern Denmark, Odense, 12-16 November.
  • Invited talk on "Plaquette expectation value of three-dimensional SU(N) gauge theory and hot QCD".
  
  
• Touko Tahkokallio gives a talk on "Thermodynamics of AdS/QCD", HIP, Helsinki, 28 November.
  
  
• Aleksi Kurkela visits University of Oulu and gives a talk on "Plaquette expectation value and hot QCD", 27 November - 1 December.
  
  
• Ari Hietanen gives a talk on "Quark number susceptibility at high temperature", HIP, Helsinki, 12 December.
  
  

2005

• Tuomas Lappi's doctoral dissertation, Helsinki, 7 January.
  • Opponent Jean-Paul Blaizot from ECT, Italy.
  • Custos professor Keijo Kajantie.
  • The thesis can be found here.
  
  
• Michael Strickland gives a talk on "Instability driven thermalization of a QGP" at HIP, Helsinki, 18 January.
  
  
• Tuomas Lappi visits Duke University, Durham, 12-15 January, Ohio State University, Columbus, 17-19 January and BNL, Brookhaven, 20-21 January.
  
  
• Keijo Kajantie visits CERN, 6-14 February.
  
  
• Keijo Kajantie visits CERN, 20 July-1 August.
  
  
• Quark Matter 2005, Budapest, 3-9 August.
  • Keijo Kajantie and Tuomas Lappi.
  • Talk by Tuomas Lappi on "Quark-antiquark production from classical fields and chemical equilibration"
  
  
• Workshop on Quark-Gluon-Plasma thermalization, Wien, 10-12 August.
  • Keijo Kajantie and Tuomas Lappi.
  • Talk by Tuomas Lappi on "Quark-antiquark production from classical fields and chemical equilibration"
  
  
• Keijo Kajantie participates in a meeting at ECT, Trento, 5-12 September.
  
  
• Keijo Kajantie gives a talk on "The initial state of little bang" at HIP, Helsinki, 25 October.
  
  
• Keijo Kajantie gives a talk on "Living in the multiverse" at HIP, Helsinki, 25 November.
  
  
• Keijo Kajantie visits Institut für Theoretische Physik, Frankfurt, and gives a talk on "The initial state of little bang and classical fields", 4-8 December.

2004

• Quantum Phenomena at Low Temperatures, Lammi, 7-11 January.
  • Keijo Kajantie
    • Talk on "Quantum phenomena at medium temperatures of 10^13 K: QCD matter in relativistic heavy ion collisions".
  
  
• Quark Matter 2004, Oakland, 11-17 January.
  • Tuomas Lappi
    • Poster on "Particle production in the classical field model for heavy ion collisions".
  
  
• Mikko Vepsäläinen gives a talk on "Mesonic correlation lengths in high-temperature QCD" at HIP, Helsinki, 27 January.
  
  
• Mischa Sallé gives a talk on "Kinks in the Hartree approximation" at the phenomenology seminar, TFO, 28 January.
  
  
• Lattice QCD at finite temperature and density, Brookhaven National Laboratory, 8-12 February.
  • Keijo Kajantie
    • talk on QCD thermodynamics and 3d effective theories.
  • Mikko Vepsäläinen
    • talk on Mesonic screening masses at high temperature.
  
  
• Tuomas Lappi gives a talk on "News from Quark Matter 2004" at the phenomenology seminar, TFO, 18 February.
  
  
• Annual meeting of the Finnish Physical Society, Oulu, 18-20 March.
  • Mikko Vepsäläinen
    • poster on "Mesonic correlation lengths in high-temperature QCD".
  • Aleksi Vuorinen
    • talk on "Thermodynamics of hot and/or dense quark-gluon plasma".
  
  
• Aleksi Vuorinen gives a talk on "Perturbative thermodynamics of QCD matter" at the phenomenology seminar, TFO, 24 March.
  
  
• Workshop "From Nuclear to Nucleon Structure" in celebration of the 60th birthday of Professor Dan-Olof Riska, Helsinki, 1-2 April.
  • Keijo Kajantie
    • Talk on "QCD at finite temperature: theory and experiment".
  
  
• "QCD and Dense Matter: From Lattices to Stars", INT Program 04-1, Seattle, 29 March - 18 June.
  • Aleksi Vuorinen (13-23 April)
    • Talk on "The Pressure of Hot and/or Dense QCD".
  
  
• Keijo Kajantie gives a talk on "Hadron masses at finite temperature: attempts to solve an ill-posed problem" at the phenomenology seminar, TFO, 21 April 2004.
  
  
• "Loops and Legs in Quantum Field Theory", Zinnowitz, 25-30 April.
  • Aleksi Vuorinen
    • Invited talk on "QCD Pressure up to Four Loops at Finite Temperature and Density".
  
  
• Keijo Kajantie visits Jyväskylä and gives a talk on "Hadron masses at finite temperature: attempts to solve an ill-posed problem", 7 May 2004.
  
  
• Ari Hietanen visits CERN, 9 - 23 May.
  
  
• Meeting of the NSAC Subcommittee on Relativistic Heavy Ions, Brookhaven National Laboratory, 2-6 June.
  • Keijo Kajantie
    • Talk on "LHC: Physics Overview".
  
  
• Strong and Electroweak Matter 2004, Helsinki, 16-19 June.
  • Keijo Kajantie, Mischa Sallé, Antti Gynther, Ari Hietanen, Tuomas Lappi, Mikko Vepsäläinen and Aleksi Vuorinen.
  • An invited talk by Tuomas Lappi on "Classical fields & heavy ion collisions".
  
  
• Keijo Kajantie visits CERN, 29 July - 7 August.
  
  
• Lecture week on the Physics of Hadrons and Ultrarelativistic Heavy Ion Collisions, Jyväskylä, 9-14 August.
  • Antti Gynther, Tuomas Lappi and Mikko Vepsäläinen

2003

• 3rd Nordic Winter School on Particle Physics and Cosmology, Gausdal, 4-10 January.
  • Kari Rummukainen (organizer)
  • Antti Gynther, Ari Hietanen, Tuomas Lappi and Mikko Vepsäläinen
  
  
• Keijo Kajantie participates in a Marie Curie research and training network meeting in Paris and visits Saclay, 25-28 January.
  
  
• Aleksi Vuorinen gives a talk on "High-temperature QCD at four-loop order: quark number susceptibilities" at HIP, Helsinki, 4 February.
  
  
• Mikko Vepsäläinen visits CERN, 2-14 March.
  
  
• Kari Rummukainen gives a talk on "Higgs mechanism without Higgs particle using warped extra dimensions?" at HIP, Helsinki, 4 March.
  
  
• Tuomas Lappi gives a talk on "Classical fields in heavy ion collisions" at the phenomenology seminar, TFO, 19 March.
  
  
• Annual meeting of the Finnish Physical Society, Helsinki, 20-22 March.
  • Keijo Kajantie
  
  
• Tuomas Lappi visits Jyväskylä and gives a talk on "Classical fields in heavy ion collisions", 4 April.
  
  
• Antti Gynther gives a talk on "Thermodynamics of electroweak theory at finite density" at HIP, Helsinki, 15 April.
  
  
• Keijo Kajantie visits Saclay, Paris, 25-30 April.
  
  
• Kari Rummukainen visits BNL, Brookhaven, 13-28 May, and MIT, Cambridge, 29 May - 14 June.
  
  
• Aleksi Vuorinen visits MIT, Cambridge, 18-25 May, and BNL, Brookhaven, 26-29 May, and gives talks on "The pressure of QCD at finite temperatures and densities".
  
  
• Keijo Kajantie visits CERN, 5-15 June.
  
  
• "Color Glass Condensate and Parton Percolation", Trento, 22-29 June.
  • Tuomas Lappi
    • Talk on "Classical field simulations of heavy ion collisions".
  
  
• Keijo Kajantie visits CERN, 1-27 August, and gives a talk on "Four-loop computations of the QCD free energy".
  
  
• Cosmo -03, Ambleside, Lake District, 25-29 August.
  • Antti Gynther
    • Talk on "The electroweak phase diagram at finite net lepton number density"
  
  
• Quantum fields in and out of equilibrium, Bielefeld, 23-27 September.
  • Antti Gynther, Ari Hietanen, Tuomas Lappi, Mischa Sallé, Mikko Vepsäläinen and Aleksi Vuorinen
  
  
• Tuomas Lappi visits Saclay, Paris, 26 October - 1 November, and gives a talk on "Particle production in the classical field model for heavy ion collisions".
  
  
• Ari Hietanen visits CERN, 9 - 16 November.
  
  
• Keijo Kajantie gives a talk on "Quark pair production from classical fields in heavy ion collisions" at the phenomenology seminar, TFO, 12 November.
  
  
• Kari Rummukainen gives a talk on "Pressure in hot QCD - how non-perturbative is it?" at CERN, 19 November.
  
  
• Keijo Kajantie participates in the "Hagedorn Memorial Meeting", CERN, 26 November - 1 December, and gives a talk on "Rolf Hagedorn, a scientific biography".
  
  
• Aleksi Vuorinen visits MIT, Cambridge, 9-14 December.
  
  
• Particle Physics Day, Helsinki, 15 December
  • Mikko Vepsäläinen
    • Talk on "Mesonic correlation lengths in high-temperature QCD".
  
  
• Aleksi Vuorinen's doctoral dissertation, Helsinki, 20 December.
  • Opponent professor Anton Rebhan from Technische Universität Wien, Vienna.
  • Custos professor Keijo Kajantie.
  • Pictures from the defense and the post-doctoral party can be seen here.
  • The thesis can be found here.

2002

• Nordic Particle Physics Meeting, Spåtind, 4-10 January.
  • Tuomas Lappi and Mikko Vepsäläinen
  
  
• NorFA Network Meeting: Theoretical Particle Physics and Cosmology, Copenhagen, 24-27 January.
  • Keijo Kajantie
  
  
• Annual meeting of the Finnish Physical Society, Joensuu, 14-16 March.
  • Antti Gynther
  
  
• ITP Program on QCD and Gauge Theory Dynamics in the RHIC Era, Institute for Theoretical Physics, Santa Barbara, 1 April - 18 June.
  • Keijo Kajantie
    • Talk given on "Effective Theory for the Free Energy of Hot QCD" in ITP Conference on QCD and Gauge Theory Dynamics in the RHIC Era, 8-12 April. Slides of the talk can be found here (in .ps).
    • Talk on "Comparing Different Approaches to Saturation", 17 April.
  • Tuomas Lappi (13-30 May)
  
  
• Keijo Kajantie visits Lawrence Berkeley Laboratory, Berkeley, and gives a talk on "Comparing Different Approaches to Saturation", 29-30 April.
  
  
• Tuomas Lappi visits Jyväskylä and gives a talk on "Classical Chromodynamics Simulations of Relativistic Heavy-Ion Collisions", 3 May.
  
  
• Quark Matter 2002, Nantes, 18-24 July.
  • Keijo Kajantie
    • Talk on "Physics of LHC (theory)".
  • Antti Gynther and Tuomas Lappi (both attending also on the student pre-conference on 17 July)
  
  
• Mikko Vepsäläinen visits CERN, 24-30 August.
  
  
• Keijo Kajantie gives a talk on "Cosmological matter in the laboratory?" at HIP, Helsinki, 3 September.
  
  
• Loops and Legs in Quantum Field Theory, Kloster Banz, 8-13 September.
  • Aleksi Vuorinen
  
  
• Strong and Electroweak Matter 2002, Heidelberg, 2-5 October.
  • Keijo Kajantie
    • Summary talk of the conference.
  • Antti Gynther, Tuomas Lappi, Mikko Vepsäläinen and Aleksi Vuorinen.
  
  
• Coherent Effects at RHIC and LHC: Initial Conditions and Hard Probes, Trento 14-25 October.
  • Tuomas Lappi
    • Talk on "Numerical Consequences of the McLerran-Venugopalan Model"
  
  
• Particle Physics Day, Jyväskylä, 25 October
  • Antti Gynther
    • Talk on "Complete Thermodynamics of the Electroweak Theory"
  
  
• Keijo Kajantie visits Sacley, Service de physique theorique, Paris, and gives a talk on "The last frontier: QCD pressure to order g^6 log(g), 2-9 November.