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82 papers · 1 filter
Topological susceptibility from twisted mass fermions using spectral projectors
Krzysztof Cichy, Elena Garcia-Ramos, Karl Jansen +1
We discuss the computation of the topological susceptibility using the method of spectral projectors and dynamical twisted mass fermions. We present our analysis concerning the O(a…
Magnonic Band Structure, Complete Bandgap and Collective Spin Wave Excitation in Nanoscale Two--Dimensional Magnonic Crystals
D. Kumar, J. W. Kłos, M. Krawczyk +1
We present the observation of a complete bandgap and collective spin wave excitation in two-dimensional magnonic crystals comprised of arrays of nanoscale antidots and nanodots, re…
Generic criticality of community structure in random graphs
Adam Lipowski, Dorota Lipowska
We examine a community structure in random graphs of size and link probability determined with the Newman greedy optimization of modularity. Calculations show that for $p…
Topological susceptibility from the twisted mass Dirac operator spectrum
Krzysztof Cichy, Elena Garcia-Ramos, Karl Jansen
We present results of our computation of the topological susceptibility with and flavours of maximally twisted mass fermions, using the method of spectral proje…
Quantum scissors - finite-dimensional states engineering
W. Leoński, A. Kowalewska-Kudłaszyk
This work discusses quantum states defined in a finite-dimensional Hilbert space. In particular, after the presentation of some of them and their basic properties the work concentr…
Magnetization Enhancement in Magnetite Nanoparticles Capped with Alginic Acid
B. Andrzejewski, W. Bednarski, M. Kazmierczak +7
We report on the effect of organic acid capping on the behavior of magnetite nanoparticles. The nanoparticles of magnetite were obtained using microwave activated process, and the…