Tiiviin aineen teoria

Tutkimme kvanttimekaanisia ja klassisia ilmiöitä nanokokoisissa elektronisissa rakenteissa. Aiheita ovat mm. suprajohtavuus, magnetismi, topologiset materiaalit ja avoimet kvanttisysteemit. Yleinen lähtökohtamme on rakentaa kullekin kvanttirakenteelle sopiva matalan energian teoria. Teemme projekteissamme yhteistyötä maailman johtavien kokeellisten ryhmien kanssa.
Nodal lines in graphite

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Tutkimuksen painoala
Luonnon perusilmiöt ja matemaattinen ajattelu
Tutkimusalueet
Nanotiede
Materiaalifysiikka
Toinen kvanttivallankumous
Tiedekunta
Matemaattis-luonnontieteellinen tiedekunta
Osasto
Fysiikan laitos

°Õ³Ü³Ù°ì¾±³¾³Ü²õ°ù²â³ó³¾Ã¤n kuvaus

Present research topics

  • Flat-band superconductivity and magnetism. We study interacting phases in systems with exotic electronic dispersion. We participate in the , with the grand idea of reaching room-temperature superconductivity by 2033.
  • Dynamic properties of quantum materials. Special focus is on 2D materials with strong spin-orbit interaction, superconductors, magnets, and especially collective modes in them. 
  • Silicon-based Josephson quantum electronics. Special focus is on Josephson diode effects and general non-reciprocal transport, along with gateable Josephson junctions.

Other recent research topics

  • Electronic properties of graphite and their relation to topological media. In particular, we seek models to explain high-temperature interface superconductivity observed in graphite. We are also extending such studies to generic artificial topological structures.
  • Nonequilibrium and thermoelectric effects in superconductor-ferromagnetic hybrid structures. Recent studies include characterisation of nonequilibrium modes in this type of systems, and the possible use of such systems as efficient radiation detectors. The latter was done especially in the FET Open SUPERTED project.
  • Magnetization dynamics especially in superconductor/ferromagnet heterostructures. The key problems are the studies of spin torque and its reciprocal effect, spin pumping.
  • Open quantum systems in various disguises. We have especially studied quantum optomechanics and, in particular, their microwave realisations. At present, we study a magnetic variation of optomechanics, so-called magnomechanics, as well as measurements of strong coupling between light and molecules which is often termed molecular polaritonics.

Julkaisut

Julkaisu
2021
Saatavilla Open Access kautta

Physical Review B
Kansanen, Kalle S. U.
Tassi, Camillo
Mishra, Harshad
Sillanpää, Mika A.
Heikkilä, Tero T.
Julkaisu
2021
Saatavilla Open Access kautta

Physical Review Research
Dou, Ziwei
Wakamura, Taro
Virtanen, Pauli
Wu, Nian-Jheng
Deblock, Richard
Autier-Laurent, Sandrine
Watanabe, Kenji
Taniguchi, Takashi
Guéron, Sophie
Bouchiat, Hélène
Ferrier, Meydi
Julkaisu
2021
Saatavilla Open Access kautta

Journal of Chemical Physics
Kansanen, Kalle S. U.
Toppari, J. Jussi
Heikkilä, Tero T.
Julkaisu
2021
Saatavilla Open Access kautta

Physical Review B
Nissinen, J.
Heikkilä, T. T.
Volovik, G. E.
Julkaisu
2020
Saatavilla Open Access kautta

Nature
Harris, Charles R.
Millman, K. Jarrod
van der Walt, Stéfan J.
Gommers, Ralf
Virtanen, Pauli
Cournapeau, David
Wieser, Eric
Taylor, Julian
Berg, Sebastian
Smith, Nathaniel J.
Kern, Robert
Picus, Matti
Hoyer, Stephan
van Kerkwijk, Marten H.
Brett, Matthew
Haldane, Allan
del Río, Jaime Fernández
Wiebe, Mark
Peterson, Pearu
Gérard-Marchant, Pierre
Sheppard, Kevin
Reddy, Tyler
Weckesser, Warren
Abbasi, Hameer
Gohlke, Christoph
Oliphant, Travis E.
Julkaisu
2020
Saatavilla Open Access kautta

Physical Review B
Aikebaier, Faluke
Heikkilä, Tero T.
Julkaisu
2020
Saatavilla Open Access kautta

Physical Review B
Lu, Yao
Virtanen, Pauli
Heikkilä, Tero T.
Julkaisu
2020
Saatavilla Open Access kautta

Physical Review B
Hurst, Hilary M.
Galitski, Victor
Heikkilä, Tero T.
Julkaisu
2020
Saatavilla Open Access kautta

Journal of Physics: Condensed Matter
Peltonen, Teemu Juhani
Heikkilä, Tero T.
Julkaisu
2020
Saatavilla Open Access kautta

Physical Review Applied
Paolucci, Federico
Ligato, Nadia
Buccheri, Vittorio
Germanese, Gaia
Virtanen, Pauli
Giazotto, Francesco
Julkaisu
2020
Saatavilla Open Access kautta

Physical Review B
Ojajärvi, Risto
Manninen, Juuso
Heikkilä, Tero T.
Virtanen, Pauli
Julkaisu
2020
Saatavilla Open Access kautta

Physical Review B
Virtanen, Pauli
Vargunin, Artjom
Silaev, Mikhail

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