Research groups


Drost, R., Ojanen, T., Harju, A., and Liljeroth, P., Topological states in engineered atomic lattices, Nature Physics, 13, 668-671 (2017).
Sahlberg, I., Westström, A., Pöyhönen, K., and Ojanen, T., Engineering one-dimensional topological phases on p –wave superconductors, Physical Review B, 95, 184512 (2017).


Pöyhönen, K., Westström, A., and Ojanen, T., Topological superconductivity in ferromagnetic atom chains beyond the deep-impurity regime, Physical Review B, 93, 014517 (2016).
Behrends, J., Grushin, A., Ojanen, T., and Bardarson, J., Visualizing the chiral anomaly in Dirac and Weyl semimetals using photoemission spectroscopy, Physical Review B, 93, 075114 (2016).
Röntynen, J., and Ojanen, T., Chern mosaic: Topology of chiral superconductivity in ferromagnetic adatom lattices, Physical Review B, 93, 094521 (2016).
Ojanen, T., Ground state angular momentum, spectral asymmetry and topology in chiral superfluids and superconductors, Physical Review B, 93, 174505 (2016).
Kaladzhyan, V., Röntynen, J., Simon, P., and Ojanen, T., Topological state engineering by potential impurities on chiral superconductors, Physical Review B, 94, 060505(R) (2016).
Westström, A., Pöyhönen, K., and Ojanen, T., Topological superconductivity and anti-Shiba states in disordered chains of magnetic adatoms, Physical Review B, 94, 104519 (2016).
Pöyhönen, K., Westström, A., Pershoguba, S.S., Ojanen, T., and Balatsky, A.V., Skyrmion-induced subgap states in p-wave superconductors, Physical Review B, 94, 214509 (2016).


Röntynen, J., and Ojanen, T., Topological Superconductivity and High Chern Numbers in 2D Ferromagnetic Shiba Lattices, Physical Review Letters, 114, 236803 (2015).
Westström, A., Pöyhönen, K., and Ojanen, T., Topological properties of helical Shiba chains with general impurity strength and hybridization, Physical Review B, 91, 064502 (2015).


Pöyhönen, K., Westsröm, A., Röntynen, J., and Ojanen, T., Majorana states in helical Shiba chains and ladders, Physical Review B, 89, 115109 (2014).
Ojanen, T., and Borkje, K., Ground-state cooling of mechanical motion in the unresolved sideband regime by use of optomechanically induced transparency, Physical Review A, 90, 013824 (2014).
Röntynen, J., Ojanen, T., Tuning topological superdoncuctivity in helical Shiba chains by supercurrent, Physical Review B, 90, 180503(R) (2014).


Ojanen, T., Majorana states and devices in magnetic structures, Physical Review B, 88, 220502 (2013).
Ojanen, T., Helical Fermi arcs and surface states in time-reversal invariant Weyl semimetals, Physical Review B, 87, 245112 (2013).
Ojanen, T., Topological π Josephson junction in superconducting Rashba wires, Physical Review B, 87, 100506 (2013).
Ojanen, T., Kitagawa, T., Anomalous electromagnetic response of superconducting Rashba systems in trivial and topological phases, Physical Review B, 87, 014512 (2013).
Ojanen, T., Majoranafermionit topologisissa suprajohteissa- tarina siitä, miten kaksi italialialaista herrasmiestä mahtuvat samaan kvanttibittiin, Arkhimedes, , 8-13 (2013).


Ojanen, T., and Kitagawa, T., Photoinduced helical metal and magnetization in two-dimensional electron systems with spin-orbit coupling, Physical Review B, 85, 161202 (2012).
Ojanen, T., Magnetoelectric effects in superconducting nanowires with Rashba spin-orbit coupling, Physical Review Letters, 109, 226804 (2012).
Ruokola, T., and Ojanen, T., Theory of single-electron heat engines coupled to electromagnetic environments, Physical Review B, 86, 035454 (2012).


Väyrynen, J.I. and Ojanen, T., Electrical manipulation and measurement of spin properties of quantum spin Hall edge states, Physical Review Letters, 106, 076803 (2011).
Ruokola, T., and Ojanen, T., Thermal conductance in a spin-boson model: Cotunneling and low-temperature properties, Physical Review B, 83, 045417/1-6 (2011).
Väyrynen, J.I. and Ojanen, T., Chiral topological phases andfractional domain wall excitations in one-dimensional chains and wires, Physical Review Letters, 107, 166804 (2011).
Ojanen, T., Topologiset materiaalit - kiinteän aineen uudet eksoottisetolomuodot, , , 15 (2011).
Ruokola, T. and Ojanen, T., Single-electron heat diode: Asymmetric heat transport between electronic reservoirs through Coulomb islands, Physical Review B, 83, 241404 (2011).


Ojanen, T., Quantum fluctuations and transport in mesoscopic physics, Low Temperature Laboratory , , 46 and append. (2007).