Publications

Aikebaier, F., Virtanen, P., & Heikkilä, T. (2019). Superconductivity near a magnetic domain wall. Physical Review B, 99 (10), 104504. doi:10.1103/PhysRevB.99.104504 Open access

Aikebaier, F., Silaev, M., & Heikkilä, T. (2018). Supercurrent-induced charge-spin conversion in spin-split superconductors. Physical Review B, 98 (2), 024516. doi:10.1103/physrevb.98.024516 Open access

Bergeret, F. S., Silaev, M., Virtanen, P., & Heikkilä, T. (2018). Colloquium : Nonequilibrium effects in superconductors with a spin-splitting field. Reviews of Modern Physics, 90 (4), 041001. doi:10.1103/RevModPhys.90.041001 Open access

Chakraborty, S., & Heikkilä, T. (2018). Thermoelectric radiation detector based on a superconductor-ferromagnet junction : Calorimetric regime. Journal of Applied Physics, 124 (12), 123902. doi:10.1063/1.5037405 Open access

Heikkilä, T., Ojajärvi, R., Maasilta, I., Strambini, E., Giazotto, F., & Bergeret, F. S. (2018). Thermoelectric Radiation Detector Based on Superconductor-Ferromagnet Systems. Physical Review Applied, 10 (3), 034053. doi:10.1103/PhysRevApplied.10.034053 Open access

Hyart, T., Ojajärvi, R., & Heikkilä, T. (2018). Two Topologically Distinct Dirac-Line Semimetal Phases and Topological Phase Transitions in Rhombohedrally Stacked Honeycomb Lattices. Journal of Low Temperature Physics, 191 (1-2), 35-48. doi:10.1007/s10909-017-1846-3 Open access

Ojajärvi, R., Hyart, T., Silaev, M., & Heikkilä, T. (2018). Competition of electron-phonon mediated superconductivity and Stoner magnetism on a flat band. Physical Review B, 98 (5), 054515. doi:10.1103/physrevb.98.054515 Open access

Peltonen, T., Ojajärvi, R., & Heikkilä, T. (2018). Mean-field theory for superconductivity in twisted bilayer graphene. Physical Review B, 98 (22), 220504(R). doi:10.1103/PhysRevB.98.220504 Open access

Rouco, M., Heikkilä, T., & Bergeret, F. S. (2018). Electron refrigeration in hybrid structures with spin-split superconductors. Physical Review B, 97 (1), 014529. doi:10.1103/PhysRevB.97.014529 Pre-print

Baieva, S., Hakamaa, O., Groenhof, G., Heikkilä, T., & Toppari, J. (2017). Dynamics of Strongly Coupled Modes between Surface Plasmon Polaritons and Photoactive Molecules: The Effect of the Stokes Shift. ACS Photonics, 4 (1), 28-37. doi:10.1021/acsphotonics.6b00482

Heikkilä, T. (2017, 30.8.2017). Tieteessä rakkaalla lapsella on hieno nimi – entä yliopistolla?. Tiedeblogi. Open access

Ockeloen-Korppi, C. F., Damskägg, E., Pirkkalainen, J.-M., Heikkilä, T., Massel, F., & Sillanpää, M. (2017). Noiseless Quantum Measurement and Squeezing of Microwave Fields Utilizing Mechanical Vibrations. Physical Review Letters, 118 (10), 103601. doi:10.1103/PhysRevLett.118.103601 Open access

Ockeloen-Korppi, C. F., Heikkilä, T., Sillanpää, M. A., & Massel, F. (2017). Theory of phase-mixing amplification in an optomechanical system. Quantum Science and Technology, 2 (3), 035002. doi:10.1088/2058-9565/aa78e3 Open access

Virtanen, P., & Heikkilä, T. (2017). Spin Pumping and Torque Statistics in the Quantum Noise Limit. Physical Review Letters, 118 (23), 237701. doi:10.1103/PhysRevLett.118.237701 Open access

Arjoranta, J., & Heikkilä, T. (2016). Intrinsic spin-orbit interaction in diffusive normal wire Josephson weak links: Supercurrent and density of states. Physical Review B, 93 (2), 024522. doi:10.1103/PhysRevB.93.024522 Open access

Heikkilä, T., & Volovik, G. E. (2016). Flat Bands as a Route to High-Temperature Superconductivity in Graphite. In P. D. Esquinazi (Ed.), Basic Physics of Functionalized Graphite (pp. 123-143). Springer Series in Materials Science, 244. Springer. doi:10.1007/978-3-319-39355-1_6 Pre-print

Hyart, T., & Heikkilä, T. (2016). Momentum-space structure of surface states in a topological semimetal with a nexus point of Dirac lines. Physical Review B, 93 (23), 235147. doi:10.1103/PhysRevB.93.235147 Open access

Kauppila, V. J., Aikebaier, F., & Heikkilä, T. (2016). Flat-band superconductivity in strained Dirac materials. Physical Review B, 93 (21), 214505. doi:10.1103/PhysRevB.93.214505 Open access

Kauppila, V. J., Hyart, T., & Heikkilä, T. (2016). Collective amplitude mode fluctuations in a flat band superconductor formed at a semimetal surface. Physical Review B, 93 (2), 024505. doi:10.1103/PhysRevB.93.024505 Open access

Ockeloen-Korppi, C. F., Damskägg, E., Pirkkalainen, J.-M., Heikkilä, T., Massel, F., & Sillanpää, M. A. (2016). Low-Noise Amplification and Frequency Conversion with a Multiport Microwave Optomechanical Device. Physical Review X, 6 (4), 041024. doi:10.1103/PhysRevX.6.041024 Open access

Virtanen, P., Heikkilä, T., & Bergeret, F. S. (2016). Stimulated quasiparticles in spin-split superconductors. Physical Review B, 93 (1), 014512. doi:10.1103/PhysRevB.93.014512 Open access

Giazotto, F., Heikkilä, T., & Bergeret, F. S. (2015). Very Large Thermophase in Ferromagnetic Josephson Junctions. Physical Review Letters, 114 (6), 067001. doi:10.1103/PhysRevLett.114.067001 Open access

Heikkilä, T., & Volovik, G. E. (2015). Nexus and Dirac lines in topological materials. New Journal of Physics, 17 (September), 093019. doi:10.1088/1367-2630/17/9/093019 Open access

Khan, R., Massel, F., & Heikkilä, T. (2015). Cross-Kerr nonlinearity in optomechanical systems. Physical Review A, 91 (4), 043822. doi:10.1103/PhysRevA.91.043822 Open access

Kopnin, N. B., & Heikkilä, T. (2015). Surface Superconductivity in Rhombohedral Graphite. In J. Haruyama (Ed.), Carbon-based Superconductors : Towards High-Tc Superconductivity (pp. 231-263). Pan Stanford. Open access

Pirkkalainen, J.-M., Cho, S. U., Massel, F., Tuorila, J., Heikkilä, T., Hakonen, P. J., & Sillanpää, M. A. (2015). Cavity optomechanics mediated by a quantum two-level system. Nature Communications, 6, 6981. doi:10.1038/ncomms7981 Open access

Silaev, M., Virtanen, P., Bergeret, F. S., & Heikkilä, T. (2015). Long-Range Spin Accumulation from Heat Injection in Mesoscopic Superconductors with Zeeman Splitting. Physical Review Letters, 114 (16), 167002. doi:10.1103/PhysRevLett.114.167002 Open access

Silaev, M. A. A., Virtanen, P., Heikkilä, T., & Bergeret, F. S. (2015). Spin Hanle effect in mesoscopic superconductors. Physical Review B, 91 (2), 024506. doi:10.1103/PhysRevB.91.024506 Open access

Ballestar, A., Heikkilä, T., & Esquinazi, P. (2014). Size dependence of the Josephson critical behavior in pyrolytic graphite TEM lamellae. Superconductor Science and Technology, 27 (11), 115014. doi:10.1088/0953-2048/27/11/115014 Open access

Esquinazi, P., Heikkilä, T., Lysogorskiy, Y. V., Tayurskii, D. A., & Volovik, G. E. (2014). On the superconductivity of graphite interfaces. Pisma v zhurnal eksperimentalnoi i teoreticheskoi fiziki, 100 (5), 374-378. doi:10.7868/S0370274X14170093

Heikkilä, T., Massel, F., Tuorila, J., Khan, R., & Sillanpää, M. A. (2014). Enhancing Optomechanical Coupling via the Josephson Effect. Physical Review Letters, 112 (20), 203603. doi:10.1103/PhysRevLett.112.203603 Open access

Ozaeta, A., Virtanen, P., Bergeret, F. S., & Heikkilä, T. (2014). Predicted Very Large Thermoelectric Effect in Ferromagnet-Superconductor Junctions in the Presence of a Spin-Splitting Magnetic Field. Physical Review Letters, 112 (5), 057001. doi:10.1103/PhysRevLett.112.057001 Open access

Silaev, M., Heikkilä, T., & Virtanen, P. (2014). Lindblad-equation approach for the full counting statistics of work and heat in driven quantum systems. Physical Review E, 90 (2), 022103. doi:10.1103/PhysRevE.90.022103 Open access

Heikkilä, T. (2013). Cold-atom thermoelectrics. Science, 342 (6159), 703-704. doi:10.1126/science.1245981

Kauppila, V. J., Nguyuen, H. Q., & Heikkilä, T. (2013). Non-equilibrium and proximity effects in superconductor-normal metal junctions. Physical Review B, 88 (7), 75428. doi:10.1103/PhysRevB.88.075428 Open access