## Contact

Swiss National Science Foundation (SNSF)

Wildhainweg 3P.O. Box

CH-3001 Bern

Phone +41 31 308 22 22

Applicant | Laine Mikko |
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Number | 140234 |

Funding scheme | Project funding |

Research institution | Institut für Theoretische Physik Universität Bern |

Institution of higher education | University of Berne - BE |

Main discipline | Theoretical Physics |

Start/End | 01.10.2012 - 30.09.2014 |

Approved amount | 334'299.00 |

Particle Cosmology; Effective Field Theories; Thermal QCD

Lead |
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Lay summary |

Various real-time observables, such as particle production rates from a hot medium, or "transport coefficients" (conductivities, viscosities), play an important role in all contexts in which relativistic thermal field theory is being applied. An example from heavy ion collisions could be the diffusion coefficient of heavy quark flavours, characterizing the efficiency at which "jets" containing a charm or bottom quark get "quenched"; an example from cosmology could be the production rate of right-handed neutrinos, playing an important role in many Dark Matter and Baryon Asymmetry computations. It is the strong interactions which play a crucial role in heavy ion collisions whereas in cosmology weak interactions are more prominent, yet both are described by non-Abelian gauge theories, so that on the technical side many of the methods used are similar. The goal of this project is to make progress towards a reliable determination of selected real-time observables playing a role in current heavy ion collision experiments as well as in certain cosmological scenarios, by making use of both analytic and numerical techniques. |

Direct link to Lay Summary | Last update: 21.02.2013 |

Name | Institute |
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Name | Institute |
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Publication |
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A first look at Bottomonium melting via a stochastic potential |

A relation between screening masses and real-time rates |

Interpolation of hard and soft dilepton rates |

Kubo relations and radiative corrections for lepton number washout |

A hard thermal loop benchmark for the extraction of the nonperturbative $Q\barQ$ potential |

A new Bayesian approach to the reconstruction of spectral functions |

Bayesian approach to spectral function reconstruction for Euclidean quantum field theories |

Benchmarking the Bayesian reconstruction of the non-perturbative heavy $Q\barQ$ potential |

Charm mass effects in bulk channel correlations |

From Complex to Stochastic Potential: Heavy Quarkonia in the Quark-Gluon Plasma |

Lattice NRQCD study of in-medium bottomonium states using $N_f = 2+1, 48^3 \times 12$ HotQCD configurations |

Light-cone Wilson loop in classical lattice gauge theory |

NLO thermal dilepton rate at non-zero momentum |

Sommerfeld effect in heavy quark chemical equilibration |

Temporal mesonic correlators at NLO for any quark mass |

Thermal 2-loop master spectral function at finite momentum |

Thermal right-handed neutrino production rate in the relativistic regime |

Towards the continuum limit in transport coefficient computations |

Towards understanding thermal jet quenching via lattice simulations |

Massive vector current correlator in thermal QCD |

Title | Type of contribution | Title of article or contribution | Date | Place | Persons involved |
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INT Program INT 14-3: Heavy Flavor and Electromagnetic Probes in Heavy Ion Collisions | Talk given at a conference | Heating up QGP: towards charm quark chemical equilibration | 22.09.2014 | Seattle, United States of America | Laine Mikko; |

SEWM14 | Poster | Three-loop Debye mass and effective coupling in thermal QCD | 14.07.2014 | Lausanne, Switzerland | Ghisoiu Ioan; |

SEWM14 | Talk given at a conference | Towards understanding chiral vortical effect | 14.07.2014 | Lausanne, Switzerland | Sohrabi Anaraki Kiyoumars; |

KITP Program: Particlegenesis | Talk given at a conference | On radiative corrections in leptogenesis | 23.06.2014 | Santa Barbara, United States of America | Laine Mikko; |

University of Helsinki | Individual talk | Three-loop Debye mass and effective coupling in thermal QCD | 09.06.2014 | Helsinki, Finland | Ghisoiu Ioan; |

Facing Strong Dynamics | Talk given at a conference | Some non-equilibrium thermodynamics | 02.06.2014 | Liselund Castle, Denmark | Laine Mikko; |

University of Geneva, Theoretical Physics Colloquium | Individual talk | Towards first principles in particle cosmology | 11.04.2014 | Genf, Switzerland | Laine Mikko; |

Ions at the Future Circular Collider | Talk given at a conference | Heating up QGP: how far to charm quark chemical equilibration? | 10.04.2014 | Genf, Switzerland | Laine Mikko; |

DPG Frühjahrstagung des Fachverbands Teilchenphysik | Talk given at a conference | Three-loop Debye mass in thermal QCD | 24.03.2014 | Mainz, Germany | Ghisoiu Ioan; |

The 6th International Conference on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions (Hard Probes 2013) | Talk given at a conference | On loop corrections to the dilepton rate | 04.11.2013 | Stellenbosch, South Africa | Laine Mikko; |

The 31st International Symposium on Lattice Field Theory (LATTICE 2013) | Talk given at a conference | Temporal mesonic correlators at NLO for any quark mass (talk), Benchmarking the Bayesian reconstruction of the non-perturbative heavy QQ¯ potential (poster) | 29.07.2013 | Mainz, Germany | Burnier Yannis; |

Heavy quarks and quarkonia in thermal QCD | Talk given at a conference | Heavy quarkonium physics from Euclidean correlators | 02.04.2013 | ECT, Trento, Italy | Burnier Yannis; |

LNGS | Individual talk | Towards first principles in particle cosmology | 24.01.2013 | Gran Sasso, Italy | Laine Mikko; |

TU Munich | Individual talk | Towards first principles in particle cosmology | 13.12.2012 | Garching München, Germany | Laine Mikko; |

University of Zurich | Individual talk | Towards first principles in particle cosmology | 22.10.2012 | Zürich, Switzerland | Laine Mikko; |

Xth Quark Confinement and the Hadron Spectrum | Talk given at a conference | Hot QCD vs. cosmology | 08.10.2012 | München, Germany | Laine Mikko; |

Communication | Title | Media | Place | Year |
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Other activities | Vortrag an Gymnasiallehrer aus Kanton Bern | German-speaking Switzerland | 2013 |

Number | Title | Start | Funding scheme |
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146737 | Electroweak scale cosmology in light of LHC data | 01.01.2014 | Project funding |

155935 | Real-time observables in thermal field theory | 01.10.2014 | Project funding |

Various real-time observables, such as particle production rates from a hot medium, or "transport coefficients" (conductivities, viscosities), play an important role in all contexts in which relativistic thermal field theory is being applied. An example from heavy ion collisions could be the diffusion coefficient of heavy flavours, characterizing the efficiency at which "jets" containing a charm or bottom quark get "quenched"; an example from cosmology could be the production rate of right-handed neutrinos, playing an important role in many Dark Matter and Baryon Asymmetry computations. It is the strong interactions which play a crucial role in heavy ion collisions whereas in cosmology weak interactions are more prominent, yet both are described by non-Abelian gauge theories, so that on the technical side many of the methods used are similar. The goal of this project is to make progress towards a reliable determination of selected real-time observables playing a role in current heavy ion collision experiments as well as in certain cosmological scenarios, by making use of both analytic and numerical techniques.

Swiss National Science Foundation (SNSF)

Wildhainweg 3P.O. Box

CH-3001 Bern

Phone +41 31 308 22 22

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