Universal classification scheme for the spatial-localization properties of one-particle states in finite, d-dimensional systems

J Pipek, I Varga - Physical Review A, 1992 - APS
The spatial-localization properties of general lattice distributions (eg, charge distribution of
one-particle eigenstates) are studied. We have introduced a localization quantity, the …

Rényi entropies characterizing the shape and the extension of the phase space representation of quantum wave functions in disordered systems

I Varga, J Pipek - Physical Review E, 2003 - APS
We discuss some properties of the generalized entropies, called Rényi entropies, and their
application to the case of continuous distributions. In particular, it is shown that these …

[BOOK][B] Concepts and methods in modern theoretical chemistry: electronic structure and reactivity

SK Ghosh, PK Chattaraj - 2013 - books.google.com
Concepts and Methods in Modern Theoretical Chemistry: Electronic Structure and
Reactivity, the first book in a two-volume set, focuses on the structure and reactivity of …

Power-law localization at the metal-insulator transition by a quasiperiodic potential in one dimension

I Varga, J Pipek, B Vasvári - Physical Review B, 1992 - APS
The localization properties of an electron in the tight-binding potential λ cos (πα n ν), where
0< ν< 1, are investigated. Wave functions approaching the metal-insulator transition (MIT) λ …

Complexity of two-level systems

I Varga - Physica A: Statistical Mechanics and its Applications, 2025 - Elsevier
Complexity of two-level systems, eg spins, qubits, magnetic moments etc, are analysed
based on the so-called correlational entropy in the case of pure quantum systems and the …

Scaling properties of composite information measures and shape complexity for hydrogenic atoms in parallel magnetic and electric fields

R González-Férez, JS Dehesa, SH Patil… - Physica A: Statistical …, 2009 - Elsevier
The scaling properties of various composite information-theoretic measures (Shannon and
Rényi entropy sums, Fisher and Onicescu information products, Tsallis entropy ratio, Fisher …

Phase-space Rényi entropy, complexity and thermodynamic picture of density functional theory

Á Nagy - Journal of Mathematical Chemistry, 2023 - Springer
Phase-space Rényi entropy and complexity are defined within the thermodynamic picture of
density functional theory. The structural entropy defined by Pipek, Varga and Nagy, the LMC …

Defining statistical relative complexity measure: Application to diversity in atoms

A Borgoo, P Geerlings, KD Sen - Physics Letters A, 2011 - Elsevier
A statistical relative complexity measure, based on the Kullback–Leibler distance measure
defining the relative information and the Carbó quantum similarity index defining the relative …

Measuring localization-delocalization phenomena in a quantum corral

HH Corzo, E Castaño, HG Laguna… - Journal of Mathematical …, 2013 - Springer
The standard deviations and Shannon information entropies of the probability densities for a
particle in a quantum corral are compared and contrasted to determine their effectiveness in …

Mathematical characterization and shape analysis of localized, fractal, and complex distributions in extended systems

J Pipek, I Varga - International journal of quantum chemistry, 1994 - Wiley Online Library
The availability of recent supercomputers and massively parallel computing facilities makes
possible the calculation of the electronic structure of highly extended (mesoscopic) …