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
2025
Saatavilla Open Access kautta

Physical Review B
Virtanen, P.
Julkaisu
2024
Saatavilla Open Access kautta

SciPost Physics
Kansanen, Kalle Sulo Ukko
Heikkilä, Tero Tapio
Julkaisu
2024
Saatavilla Open Access kautta

Physical Review Letters
Virtanen, Pauli
Heikkilä, Tero T.
Julkaisu
2024
Saatavilla Open Access kautta

Physical Review B
Sokolov, Andrii M.
Heikkilä, Tero T.
Julkaisu
2024
Saatavilla Open Access kautta

Physical Review B
Ilić, Stefan
Virtanen, Pauli
Crawford, Daniel
Heikkilä, Tero T.
Bergeret, F. Sebastián
Julkaisu
2024
Saatavilla Open Access kautta

Nature Communications
Levartoski de Araujo, Clodoaldo Irineu
Virtanen, Pauli
Spies, Maria
González-Orellana, Carmen
Kerschbaumer, Samuel
Ilyn, Maxim
Rogero, Celia
Heikkilä, Tero Tapio
Giazotto, Francesco
Strambini, Elia
Julkaisu
2024

Tiede
Heikkilä, Tero
Törmä, Päivi
Julkaisu
2024
Saatavilla Open Access kautta

Physical Review Research
Hijano, Alberto
Ilić, Stefan
Bergeret, F. Sebastián
Julkaisu
2023
Saatavilla Open Access kautta

Physical Review B
Hijano, Alberto
Vosoughi-nia, Sakineh
Bergeret, F. Sebastián
Virtanen, Pauli
Heikkilä, Tero T.
Julkaisu
2023
Saatavilla Open Access kautta

Physical Review B
Lu, Yao
Ilić, Stefan
Ojajärvi, Risto
Heikkilä, Tero T.
Bergeret, F. Sebastian
Julkaisu
2023
Saatavilla Open Access kautta

Superconductor Science and Technology
Geng, Zhuoran
Hijano, Alberto
Ilic, Stefan
Ilin, Maxim
Maasilta, Ilari J.
Monfardini, Alessandro
Spies, Maria
Strambini, Elia
Virtanen, Pauli
Calvo, Martino
González-Orellána, Carmen
Helenius, Ari P.
Khorshidian, Sara
Levartoski de Araujo, Clodoaldo Irineu
Levy-Bertrand, Florence
Rogero, Celia
Giazotto, Francesco
Bergeret, F. Sebastian
Heikkilä, Tero T.
Julkaisu
2022
Saatavilla Open Access kautta

Physical Review B
Aikebaier, Faluke
Heikkilä, Tero T.
Lado, J. L.

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