Black hole thermodynamical entropy

C Tsallis, LJL Cirto - The European Physical Journal C, 2013 - Springer
As early as 1902, Gibbs pointed out that systems whose partition function diverges, eg
gravitation, lie outside the validity of the Boltzmann–Gibbs (BG) theory. Consistently, since …

Economics and Finance: q-Statistical Stylized Features Galore

C Tsallis - Entropy, 2017 - mdpi.com
The Boltzmann–Gibbs (BG) entropy and its associated statistical mechanics were
generalized, three decades ago, on the basis of the nonadditive entropy S q (q∈ R), which …

On a new fractional uncertainty relation and its implications in quantum mechanics and molecular physics

RA El-Nabulsi - Proceedings of the Royal Society A, 2020 - royalsocietypublishing.org
A new generalized uncertainty relation is constructed based on Li-Ostoja-Starzewski
fractional gradient operator of order 0< α≤ 1 introduced recently in literature which is …

Position-dependent mass fractal Schrodinger equation from fractal anisotropy and product-like fractal measure and its implications in quantum dots and nanocrystals

RA El-Nabulsi - Optical and Quantum Electronics, 2021 - Springer
In this study, the Schrödinger equation with position-dependent mass in fractal dimensions
is constructed from fractal anisotropy and product-like fractal measure introduced by Li and …

A new approach to the Schrodinger equation with position-dependent mass and its implications in quantum dots and semiconductors

RA El-Nabulsi - Journal of Physics and Chemistry of Solids, 2020 - Elsevier
In this study, we introduce a new approach to construct the Schrödinger equation with
position-dependent mass characterized by an emerging particle's effective mass, in perfect …

Quantum dots and cuboid quantum wells in fractal dimensions with position-dependent masses

RA El-Nabulsi, W Anukool - Applied Physics A, 2021 - Springer
In this study, we have constructed a generalized Schrödinger equation in fractal dimensions
characterized by an effective potential which is generated by a position-dependent mass …

[HTML][HTML] Extended uncertainty from first principles

RN Costa Filho, JPM Braga, JHS Lira, JS Andrade Jr - Physics Letters B, 2016 - Elsevier
A translation operator acting in a space with a diagonal metric is introduced to describe the
motion of a particle in a quantum system. We show that the momentum operator and, as a …

Morse potential derived from first principles

RN Costa Filho, G Alencar, BS Skagerstam… - Europhysics …, 2013 - iopscience.iop.org
We show that a direct connection can be drawn, based on fundamental quantum principles,
between the Morse potential, extensively used as an empirical description for the atomic …

Dirac equation with position-dependent mass and Coulomb-like field in Hausdorff dimension

RA El-Nabulsi - Few-Body Systems, 2020 - Springer
Dirac equation with spatially or position-dependent mass and an attractive Coulomb-like
field is constructed in Hausdorff dimension of order 0< α ≤ 1 0< α≤ 1. The lower and upper …

A position-dependent mass harmonic oscillator and deformed space

BG da Costa, EP Borges - Journal of Mathematical Physics, 2018 - pubs.aip.org
We consider canonically conjugated generalized space and linear momentum operators x^
q and p^ q in quantum mechanics, associated with a generalized translation operator which …