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Eero Aleksi Kurkela

Førsteamanuensis

E 540
Det teknisk- naturvitenskapelige fakultet

Institutt for matematikk og fysikk
Bio

I study how ordinary matter behaves in extraordinary conditions. Ultrarelativistic nuclear collisions in modern particle colliders -- such as the LHC at CERN -- smash together atomic nuclei creating a fireball so hot (about a million times the temperature of the core of the sun!) that protons and neutrons melt to their fundamental constituents and a new form of elementary particle matter, Quark Matter, is created. This soup of elementary particles filled the universe when it was in its infancy and it has been conjectured that it may be found in the cores of the most dense astrophysical objects, in the cores of neutron stars. 

How quark matter behaves and under which conditions it is formed is governed by the fundamental theory of Quantum Chromodynamics  or QCD -- the part of the Standard Model of particle physics responsible for the strong nuclear interactions. My research utilises QCD to model the nuclear collisions and cores of neutron stars and leverages the synergies between particle physics and astrophysics. 

 

SELECTED PUBLICATIONS:

On phenomenology of neutron stars and quark matter:

- E. Annala, T. Gorda, A. Kurkela, J. Nättilä and A. Vuorinen, Evidence for quark-matter cores in massive neutron stars, Nature Phys. (2020), [arXiv:1903.09121 [astro-ph.HE]].

- T. Gorda, A. Kurkela, P. Romatschke, M. Säppi and A. Vuorinen, Next-to-Next-to-Next-to-Leading Order Pressure of Cold Quark Matter: Leading Logarithm, Phys. Rev. Lett. 121 (2018) no.20, 202701,  [arXiv:1807.04120 [hep-ph]].

- E. Annala, T. Gorda, A. Kurkela and A. Vuorinen, Gravitational-wave constraints on the neutron-star-matter Equation of State, Phys. Rev. Lett. 120 (2018) no.17, 172703, [arXiv:1711.02644 [astro-ph.HE]].

- A. Kurkela and A. Vuorinen, Cool quark matter, Phys. Rev. Lett. 117 (2016) no.4, 042501[arXiv:1603.00750 [hep-ph]].

On far-from-equilibrium quantum fields and thermalization:

- D. Almaalol, A. Kurkela and M. Strickland, Non-equilibrium attractor in high-temperature QCD plasmas, Phys. Rev. Lett. 125 (2020) no.12, 122302, [arXiv:2004.05195 [hep-ph]]. 

- A. Kurkela, W. van der Schee, U.A. Wiedemann and B. Wu, Early- and Late-Time Behavior of Attractors in Heavy-Ion Collisions, Phys. Rev. Lett. 124 (2020) no.10, 102301 [arXiv:1907.08101 [hep-ph]].

- A. Kurkela and E. Lu, Approach to Equilibrium in Weakly Coupled Non-Abelian Plasmas, Phys. Rev. Lett. 113 (2014)no.18, 182301[arXiv:1405.6318 [hep-ph]].

On phenomenology of ultrarelativistic heavy-ion collisions:

- A. Kurkela and A. Mazeliauskas, Chemical Equilibration in Hadronic Collisions, Phys. Rev. Lett. 122 (2019), 142301 [arXiv:1811.03040 [hep-ph]]. 

- A. Kurkela, A. Mazeliauskas, J. F. Paquet, S. Schlichting and D. Teaney, Matching the Nonequilibrium Initial Stage of Heavy Ion Collisions to Hydrodynamics with QCD Kinetic Theory, Phys. Rev. Lett. 122 (2019) no.12, 122302,[arXiv:1805.01604 [hep-ph]].

- A. Kurkela and Y. Zhu, Isotropization and hydrodynamization in weakly coupled heavy-ion collisions, Phys. Rev. Lett. 115(2015) no.18, 182301[arXiv:1506.06647 [hep-ph]].

Some news articles and interviews in international media:

Neutron stars show their cores, home.cern 2020 

Why are big neutron stars like Tootsie Pops?, Popular Science 2020 

Neutron stars may contain free quarks, physicsworld 2020 

Gravitational waves shed light on neutron star interiors, Sky and Telescope 2018 

Gravitational Waves Shed Light on Dense Nuclear Matter, APS physics 2018 

Physicists prepare to detect gravitational waves from neutron star collisions, phys.org 2016 

Gravitational Waves to Crack Neutron Star Mystery, Space.org 2016 

Cool quarks, APS physics 2010

 

WORK EXPERIENCE

- 2015- Associate professor at UiS

- 2015-2020 Staff member at CERN

- 2013-2015 Marie Curie senior fellow at CERN

- 2010-2013 Postdoctoral research fellow at McGill University

- 2008-2010 Postdoctoral research fellow at ETH Zürich 

- 2006-2008 PhD in physics at University of Helsinki

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Publications
  • Vitenskapelige publikasjoner
    • Boguslavski, Kirill; Kurkela, Aleksi; Lappi, Tuomas; Peuron, Jarkko

      (2020)

      Heavy quark diffusion in an overoccupied gluon plasma.

      Journal of High Energy Physics (JHEP)

      ISSN 1126-6708.

      Volum 2020.

      Hefte 9.

      DOI: 10.1007/JHEP09(2020)077

    • Ghiglieri, Jacopo; Kurkela, Aleksi; Strickland, Michael; Vuorinen, Aleksi

      (2020)

      Perturbative thermal QCD: Formalism and applications.

      Physics reports

      ISSN 0370-1573.

      Volum 880.

      s.1-73.

      DOI: 10.1016/j.physrep.2020.07.004

    • Kurkela, Eero Aleksi; Taghavi, Seyed Farid; Wiedemann, Urs Achim; Wu, Bin

      (2020)

      Hydrodynamization in systems with detailed transverse profiles.

      Physics Letters B

      ISSN 0370-2693.

      Volum 811.

      DOI: 10.1016/j.physletb.2020.135901

    • Kurkela, Eero Aleksi; Mazeliauskas, Aleksas

      (2020)

      Chemical equilibration of QGP in hadronic collisions. I: The XVIII International Conference on Strangeness in Quark Matter : SQM 2019.

      Springer

      ISBN 9783030534479.

      s.177-181.

      DOI: 10.1007/978-3-030-53448-6_26

    • Almaalol, Dekrayat; Kurkela, Aleksi; Strickland, Michael

      (2020)

      Nonequilibrium attractor in high-temperature QCD plasmas.

      Physical Review Letters

      ISSN 0031-9007.

      Volum 125.

      Hefte 12.

      DOI: 10.1103/PhysRevLett.125.122302

    • Kurkela, Aleksi; van der Schee, Wilke; Wiedemann, Urs Achim; Wu, Bin

      (2020)

      Early- and Late-Time Behavior of Attractors in Heavy-Ion Collisions.

      Physical Review Letters

      ISSN 0031-9007.

      Volum 124.

      DOI: 10.1103/PhysRevLett.124.102301

    • Annala, Eemeli; Gorda, Tyler; Kurkela, Aleksi; Nättilä, Joonas; Vuorinen, Aleksi

      (2020)

      Evidence for quark-matter cores in massive neutron stars.

      Nature Physics

      ISSN 1745-2473.

      Volum 16.

      DOI: 10.1038/s41567-020-0914-9

    • Kurkela, Aleksi; Wiedemann, Urs Achim

      (2019)

      Analytic structure of nonhydrodynamic modes in kinetic theory.

      European Physical Journal C

      ISSN 1434-6044.

      Volum 79.

      Hefte 9.

      s.1-21.

      DOI: 10.1140/epjc/s10052-019-7271-9

    • Kurkela, Aleksi; Wiedemann, Urs Achim; Wu, Bin

      (2019)

      Flow in AA and pA as an interplay of fluid-like and non-fluid like excitations.

      European Physical Journal C

      ISSN 1434-6044.

      Volum 79.

      Hefte 11.

      DOI: 10.1140/epjc/s10052-019-7428-6

    • Boguslavski, K; Kurkela, Aleksi; Lappi, T; Peuron, J

      (2019)

      Highly occupied gauge theories in 2+1 dimensions: A self-similar attractor.

      Physical Review D

      ISSN 2470-0010.

      Volum 100.

      Hefte 9.

      s.1-12.

      DOI: 10.1103/PhysRevD.100.094022

    • Kurkela, Aleksi; Mazeliauskas, Aleksas; Paquet, Jean-Francois; Schlichting, Sören; Teaney, Derek

      (2019)

      Effective kinetic description of event-by-event pre-equilibrium dynamics in high-energy heavy-ion collisions.

      Physical Review C

      ISSN 2469-9985.

      Volum 99.

      Hefte 3.

      s.1-43.

      DOI: 10.1103/PhysRevC.99.034910

    • Kurkela, Aleksi; Mazeliauskas, Aleksas; Paquet, Jean-Francois; Schlichting, Sören; Teaney, Derek

      (2019)

      Matching the Nonequilibrium Initial Stage of Heavy Ion Collisions to Hydrodynamics with QCD Kinetic Theory.

      Physical Review Letters

      ISSN 0031-9007.

      Volum 122.

      Hefte 12.

      s.122302-1-122302-7.

      DOI: 10.1103/PhysRevLett.122.122302

    • Kurkela, Aleksi; Mazeliauskas, Aleksas

      (2019)

      Chemical equilibration in weakly coupled QCD.

      Physical Review D

      ISSN 2470-0010.

      Volum 99.

      Hefte 5.

      DOI: 10.1103/PhysRevD.99.054018

    • Kurkela, Aleksi; Mazeliauskas, Aleksas

      (2019)

      Chemical equilibration in hadronic collisions.

      Physical Review Letters

      ISSN 0031-9007.

      Volum 122.

      Hefte 14.

      DOI: 10.1103/PhysRevLett.122.142301

    • Katz, Andrey; Kurkela, Aleksi; Soloviev, Alexander

      (2019)

      Dynamical friction in interacting relativistic systems.

      Journal of Cosmology and Astroparticle Physics (JCAP)

      ISSN 1475-7516.

      Volum 2019.

      Hefte 8.

      DOI: 10.1088/1475-7516/2019/08/017

    • Boguslavski, Kirill; Kurkela, Aleksi; Lappi, Tuomas; Peuron, Jarkko

      (2019)

      Spectral function for overoccupied gluodynamics from classical lattice simulations.

      Acta Physica Polonica B

      ISSN 0587-4254.

      Volum 50.

      Hefte 6.

      s.1105-1116.

      DOI: 10.5506/APhysPolB.50.1105

    • Kurkela, Aleksi; Wiedemann, Urs Achim; Wu, Bin

      (2019)

      Opacity dependence of elliptic flow in kinetic theory.

      European Physical Journal C

      ISSN 1434-6044.

      Volum 79.

      Hefte 9.

      DOI: 10.1140/epjc/s10052-019-7262-x

    • Kurkela, Aleksi; Lappi, Tuomas; Peuron, Jarkko

      (2018)

      Plasmon mass scale and quantum fluctuations of classical fields on a real time lattice.

      The European Physical Journal Conferences

      ISSN 2101-6275.

      Volum 175.

      DOI: 10.1051/epjconf/201817511001

    • Annala, Eemeli; Gorda, Tyler; Kurkela, Aleksi; Vuorinen, Aleksi

      (2018)

      Gravitational-Wave Constraints on the Neutron-Star-Matter Equation of State.

      Physical Review Letters

      ISSN 0031-9007.

      Volum 120.

      Hefte 17.

      DOI: 10.1103/PhysRevLett.120.172703

    • Kurkela, Aleksi; Mukhopadhyay, Ayan; Preis, Florian; Rebhan, Anton; Soloviev, Alexander

      (2018)

      Hybrid fluid models from mutual effective metric couplings.

      Journal of High Energy Physics (JHEP)

      ISSN 1126-6708.

      Volum 2018.

      Hefte 8.

      DOI: 10.1007/JHEP08(2018)054

    • Heller, Michal P.; Kurkela, Aleksi; Spalinski, Michal; Svensson, Viktor

      (2018)

      Hydrodynamization in kinetic theory: Transient modes and the gradient expansion.

      Physical Review D

      ISSN 2470-0010.

      Volum 97.

      Hefte 9.

      DOI: 10.1103/PhysRevD.97.091503

    • Gorda, Tyler; Kurkela, Aleksi; Romatschke, Paul; Säppi, Matias; Vuorinen, Aleksi

      (2018)

      Next-to-Next-to-Next-to-Leading Order Pressure of Cold Quark Matter: Leading Logarithm.

      Physical Review Letters

      ISSN 0031-9007.

      Volum 121.

      Hefte 20.

      s.1-6.

      DOI: 10.1103/PhysRevLett.121.202701

    • Kurkela, Aleksi; Wiedemann, Urs Achim; Wu, Bin

      (2018)

      Nearly isentropic flow at sizeable η/s.

      Physics Letters B

      ISSN 0370-2693.

      Volum 783.

      s.274-279.

      DOI: 10.1016/j.physletb.2018.06.064

    • Boguslavski, Kirill; Kurkela, Aleksi; Lappi, Tuomas; Peuron, Jarkko

      (2018)

      Spectral function for overoccupied gluodynamics from real-time lattice simulations.

      Physical Review D

      ISSN 2470-0010.

      Volum 98.

      Hefte 1.

      DOI: 10.1103/PhysRevD.98.014006

    • Ghisoiu, Ioan; Gorda, Tyler; Kurkela, Aleksi; Romatschke, Paul; Säppi, Matias; Vuorinen, Aleksi

      (2017)

      On high-order perturbative calculations at finite density.

      Nuclear Physics B

      ISSN 0550-3213.

      Volum 915.

      s.102-118.

      DOI: 10.1016/j.nuclphysb.2016.11.023

    • Fraga, Eduardo S.; Kurkela, Aleksi; Vuorinen, Aleksi

      (2016)

      Neutron star structure from QCD.

      European Physical Journal A

      ISSN 1434-6001.

      Volum 52.

      Hefte 49.

      DOI: 10.1140/epja/i2016-16049-6

    • Kurkela, Aleksi

      (2016)

      Initial state of Heavy-Ion Collisions: Isotropization and thermalization.

      Nuclear Physics A

      ISSN 0375-9474.

      Volum 956.

      s.136-143.

      DOI: 10.1016/j.nuclphysa.2016.01.069

    • Keegan, Liam; Kurkela, Aleksi; Mazeliauskas, Aleksas; Teaney, Derek

      (2016)

      Initial conditions for hydrodynamics from weakly coupled pre-equilibrium evolution.

      Journal of High Energy Physics (JHEP)

      ISSN 1126-6708.

      Hefte 8.

      DOI: 10.1007/JHEP08(2016)171

    • Keegan, Liam; Kurkela, Aleksi; Romatschke, Paul; van der Schee, Wilke; Zhu, Yan

      (2016)

      Weak and strong coupling equilibration in nonabelian gauge theories.

      Journal of High Energy Physics (JHEP)

      ISSN 1126-6708.

      Volum 2016.

      Hefte 4.

      DOI: 10.1007/JHEP04(2016)031

    • Fraga, E.S.; Kurkela, Aleksi; Schaffner-Bielich, J.; Vuorinen, A.

      (2016)

      QCD constraints on the equation of state for compact stars.

      Nuclear Physics A

      ISSN 0375-9474.

      Volum 956.

      s.813-816.

      DOI: 10.1016/j.nuclphysa.2016.01.037

    • Fraga, E.S.; Kurkela, Aleksi; Schaffner-Bielich, J.; Vuorinen, A.

      (2016)

      QCD constraints on the equation of state for compact stars. I: XITH CONFERENCE ON QUARK CONFINEMENT AND HADRON SPECTRUM.

      AIP Publishing (American Institute of Physics)

      ISBN 978-0-7354-1348-1.

      DOI: 10.1063/1.4938692

    • Kurkela, Aleksi; Vuorinen, Aleksi

      (2016)

      Cool Quark Matter.

      Physical Review Letters

      ISSN 0031-9007.

      Volum 117.

      Hefte 4.

      DOI: 10.1103/PhysRevLett.117.042501

    • Kurkela, Aleksi; Lappi, Tuomas; Peuron, Jarkko

      (2016)

      Time evolution of linearized gauge field fluctuations on a real-time lattice.

      European Physical Journal C

      ISSN 1434-6044.

      Volum 76:688.

      Hefte 12.

      s.1-8.

      DOI: 10.1140/epjc/s10052-016-4523-9

    • Kurkela, Aleksi; Zhu, Yan

      (2015)

      Isotropization and Hydrodynamization in Weakly Coupled Heavy-Ion Collisions.

      Physical Review Letters

      ISSN 0031-9007.

      Volum 115.

      Hefte 18.

      DOI: 10.1103/PhysRevLett.115.182301

  • Bøker og kapitler
  • Formidling
    • Kurkela, Aleksi

      (2016)

      Far-from-equilibrium plasmas.

    • Kurkela, Aleksi

      (2016)

      QCD Kinetic Theory And Thermalization.

    • Kurkela, Aleksi

      (2016)

      Heavy-ion physics.

    • Kurkela, Aleksi

      (2016)

      Phenomenology of Heavy Ions and LQCD.

    • Kurkela, Aleksi

      (2016)

      Hydrodynamization in weakly-coupled heavy-ion collisions.

    • Kurkela, Aleksi

      (2015)

      Constraining neutron star matter with Quantum Chromodynamics.

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