81 citations · 313 across the 20 of their papers we have counts for
20 papers
Magnetic Field Induced by Straight Currents on the Hyperboloid
Roman Krcmar, Andrej Gendiar, Tomotoshi Nishino
We consider the magnetic field induced by the steady or the quasi-steady electric currents that flow along the straight wires, which are equidistantly arranged on the hyperboloid.…
Tensor network calculation of boundary and corner magnetization
Roman Krcmar, Jozef Genzor, Andrej Gendiar +1
The Corner Transfer Matrix Renormalization Group (CTMRG) algorithm is modified to measure the magnetization at the boundary of the system, including the corners of the square-shape…
Vertex Representation of Hyperbolic Tensor Networks
Matej Mosko, Maria Polackova, Roman Krcmar +1
We propose a vertex representation of the tensor network (TN) for classical spin systems on hyperbolic lattices. The tensors form a network of regular -sided polygons () wi…
Ising ferromagnets and antiferromagnets in an imaginary magnetic field
Roman Krčmár, Andrej Gendiar, Ladislav Šamaj
We study classical Ising spin- models on the 2D square lattice with ferromagnetic or antiferromagnetic nearest-neighbor interactions, under the effect of a pure imagin…
Phase transition of the four-dimensional cross-polytope model
Roman Krcmar, Andrej Gendiar, Peter Rapcan +1
Thermodynamic properties of the four-dimensional cross-polytope model, the 16-cell model, which is an example of higher dimensional generalizations of the octahedron model, are stu…
Full nonuniversality of the symmetric 16-vertex model on the square lattice
Eva Pospíšilová, Roman Krčmár, Andrej Gendiar +1
We consider the symmetric two-state 16-vertex model on the square lattice whose vertex weights are invariant under any permutation of adjacent edge states. The vertex-weight parame…