129 citations · 398 across the 15 of their papers we have counts for
15 papers
Nonlinear two-level dynamics of quantum time crystals
Samuli Autti, Petri J Heikkinen, Jaakko Nissinen +4
A time crystal is a macroscopic quantum system in periodic motion in its ground state, stable only if isolated from energy exchange with the environment. For this reason, coupling…
Suppressing the Kibble-Zurek mechanism by a symmetry-violating bias
J. Rysti, J. T. Mäkinen, S. Autti +3
The formation of topological defects in continuous phase transitions is driven by the Kibble-Zurek mechanism. Here we study the formation of single- and half-quantum vortices durin…
Bose-Einstein condensation of magnons and spin superfluidity in the polar phase of He
S. Autti, V. V. Dmitriev, J. T. Mäkinen +5
The polar phase of He, which is topological spin-triplet superfluid with the Dirac nodal line in the spectrum of Bogolubov quasiparticles, has been recently stabilized in a nan…
Observation of half-quantum vortices in topological superfluid 3He
S. Autti, V. V. Dmitriev, J. T. Mäkinen +5
One of the most sought-after objects in topological quantum matter systems is a vortex carrying half a quantum of circulation. They were originally predicted to exist in superfluid…
Light Higgs channel of the resonant decay of magnon condensate in superfluid He-B
V. V. Zavjalov, S. Autti, V. B. Eltsov +2
In superfluids the order parameter, which describes spontaneous symmetry breaking, is an analogue of the Higgs field in the Standard Model of particle physics. Oscillations of the…
Andreev reflection in rotating superfluid He-B
V. B. Eltsov, J. J. Hosio, M. Krusius +1
Andreev reflection of quasiparticle excitations from quantized line vortices is reviewed in the isotropic B phase of superfluid He in the temperature regime of ballistic quasip…