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4 papers · 1 filter
Off-Diagonal Density Profiles and Conformal Invariance
L. Turban, F. Igloi
Off-diagonal profiles of local densities (e.g. order parameter or energy density) are calculated at the bulk critical point, by conformal methods, for different types of boundary c…
Density Profiles in Random Quantum Spin Chains
F. Igloi, H. Rieger
We consider random transverse-field Ising spin chains and study the magnetization and the energy-density profiles by numerically exact calculations in rather large finite systems (…
Surface Magnetisation and Surface Correlations in Aperiodic Ising Models
Ferenc Igloi, Peter Lajko
We consider the surface critical behaviour of diagonally layered Ising models on the square lattice where the inter-layer couplings follow some aperiodic sequence. The surface magn…
Interface Fluctuations on a Hierarchical Lattice
Ferenc Igloi, Ferenc Szalma
We consider interface fluctuations on a two-dimensional layered lattice where the couplings follow a hierarchical sequence. This problem is equivalent to the diffusion process of a…