Publications (44)
Anderson localization in two-dimensional graphene with short-range disorder: One-parameter scaling and finite-size effects
Zheyong Fan, Andreas Uppstu, Ari Harju
Thermal conductivity decomposition in two-dimensional materials: Application to graphene
Zheyong Fan, Luiz Felipe C. Pereira, Petri Hirvonen +5
Charge dynamics in two-electron quantum dots
Jani Särkkä, Ari Harju
Validity of the single-particle description and charge noise resilience for multielectron quantum dots
Michiel A. Bakker, Sebastian Mehl, Tuukka Hiltunen +2
Gate-controlled current switch in graphene
Kimmo Sääskilahti, Ari Harju, Pirjo Pasanen
Silicon and silicon-nitrogen impurities in graphene: structure, energetics and effects on electronic transport
Mikko M. Ervasti, Zheyong Fan, Andreas Uppstu +2
Maximal tripartite entanglement between singlet-triplet qubits in quantum dots
Tuukka Hiltunen, Ari Harju
Quantum confined electronic states in atomically well-defined graphene nanostructures
Sampsa Hämäläinen, Zhixiang Sun, Mark P. Boneschanscher +5
Y-junction splitting spin states of moving quantum dot
Tuukka Hiltunen, Ari Harju
Dominant source of disorder in graphene: Charged impurities or ripples?
Zheyong Fan, Andreas Uppstu, Ari Harju
Impurities and Landau level mixing in a fractional quantum Hall state in a flatband lattice model
Topi Siro, Mikko Ervasti, Ari Harju
Exact diagonalization of quantum lattice models on coprocessors
Topi Siro, Ari Harju
Exchange-correlation potentials for inhomogeneous electron systems in two dimensions from exact diagonalization: comparison with the local-spin-density approximation
Ilja Makkonen, Mikko M. Ervasti, Ville Kauppila +1
Superfluidity and Density Order in a Bilayer Extended Hubbard Model
Tuomas I. Vanhala, Jildou E. Baarsma, Miikka O. J. Heikkinen +3
Lagrange mesh and exact diagonalization for numerical study of semiconductor quantum dot systems with application in singlet-triplet qubits
Tuukka Hiltunen, Juha Ritala, Oona Kupiainen +2
Thermal and electronic transport characteristics of highly stretchable graphene kirigami
Bohayra Mortazavi, Aurélien Lherbier, Zheyong Fan +3
Equivalence of the equilibrium and the nonequilibrium molecular dynamics methods for thermal conductivity calculations: From bulk to nanowire silicon
Haikuan Dong, Zheyong Fan, Libin Shi +2
Electronic and transport properties in geometrically disordered graphene antidot lattices
Zheyong Fan, Andreas Uppstu, Ari Harju
Multiscale modeling of polycrystalline graphene: A comparison of structure and defect energies of realistic samples from phase field crystal models
Petri Hirvonen, Mikko M. Ervasti, Zheyong Fan +7
Exact diagonalization of the Hubbard model on graphics processing units
Topi Siro, Ari Harju
Scaling in the correlation energies of two-dimensional artificial atoms
Alexander Odriazola, Mikko M Ervasti, Ilja Makkonen +4
Charge-noise tolerant exchange gates of singlet-triplet qubits in asymmetric double quantum dots
Tuukka Hiltunen, Hendrik Bluhm, Sebastian Mehl +1
Efficient linear-scaling quantum transport calculations on graphics processing units and applications on electron transport in graphene
Zheyong Fan, Andreas Uppstu, Topi Siro +1
Bimodal grain-size scaling of thermal transport in polycrystalline graphene from large-scale molecular dynamics simulations
Zheyong Fan, Petri Hirvonen, Luiz Pereira +5
Capacitative coupling of singlet-triplet qubits in different inter-qubit geometries
Tuukka Hiltunen, Ari Harju
Efficient molecular dynamics simulations with many-body potentials on graphics processing units
Zheyong Fan, Wei Chen, Ville Vierimaa +1
Topological phase transitions in the repulsively interacting Haldane-Hubbard model
Tuomas I. Vanhala, Topi Siro, Long Liang +3
Single- and multi-mode Fabry-Pérot interference in suspended graphene
Mika Oksanen, Andreas Uppstu, Antti Laitinen +5
Accelerated molecular dynamics force evaluation on graphics processing units for thermal conductivity calculations
Zheyong Fan, Topi Siro, Ari Harju
Wave packet dynamics of Bogoliubov quasiparticles: quantum metric effects
Long Liang, Sebastiano Peotta, Ari Harju +1
Variational Monte Carlo for Interacting Electrons in Quantum Dots
Ari Harju
Obtaining localization properties efficiently using the Kubo-Greenwood formalism
Andreas Uppstu, Zheyong Fan, Ari Harju
Spin dynamics at the singlet-triplet crossings in double quantum dot
Jani Särkkä, Ari Harju
Band geometry, Berry curvature and superfluid weight
Long Liang, Tuomas I. Vanhala, Sebastiano Peotta +3
Force and heat current formulas for many-body potentials in molecular dynamics simulation with applications to thermal conductivity calculations
Zheyong Fan, Luiz Felipe C. Pereira, Hui-Qiong Wang +3
Ground-state of two-dimensional finite electron systems in the Quantum Hall regime
Henri Saarikoski, Ari Harju
Computational Physics on Graphics Processing Units
Ari Harju, Topi Siro, Filippo Federici-Canova +2
Electronic transport in graphene-based structures: an effective cross section approach
Andreas Uppstu, Karri Saloriutta, Ari Harju +2
Control of a two-electron quantum ring with an external magnetic field
Jani Särkkä, Ari Harju
Ab-initio transport fingerprints for resonant scattering in graphene
Karri Saloriutta, Andreas Uppstu, Ari Harju +1
Enhancement models of momentum densities of annihilating electron-positron pairs: the many-body picture of natural geminals
Ilja Makkonen, Mikko M. Ervasti, Topi Siro +1
Kapitza thermal resistance across individual grain boundaries in graphene
Khatereh Azizi, Petri Hirvonen, Zheyong Fan +4
Scattering from spin-polarized charged impurities in graphene
Ville Vierimaa, Zheyong Fan, Ari Harju
High-field magnetoresistance revealing scattering mechanisms in graphene
Andreas Uppstu, Ari Harju