Quantum transport in fractal networks
Fractals are fascinating, not only for their aesthetic appeal but also for allowing the
investigation of physical properties in non-integer dimensions. In these unconventional …
investigation of physical properties in non-integer dimensions. In these unconventional …
Design and characterization of electrons in a fractal geometry
The dimensionality of an electronic quantum system is decisive for its properties. In one
dimension, electrons form a Luttinger liquid, and in two dimensions, they exhibit the …
dimension, electrons form a Luttinger liquid, and in two dimensions, they exhibit the …
A brief survey of paradigmatic fractals from a topological perspective
J Patiño Ortiz, M Patiño Ortiz, MÁ Martínez-Cruz… - Fractal and …, 2023 - mdpi.com
The key issues in fractal geometry concern scale invariance (self-similarity or self-affinity)
and the notion of a fractal dimension D which exceeds the topological dimension d. In this …
and the notion of a fractal dimension D which exceeds the topological dimension d. In this …
Dispersion-selective band engineering in an artificial kagome superlattice
The relentless pursuit of band structure engineering continues to be a fundamental aspect in
solid-state research. Here, we meticulously construct an artificial kagome potential to …
solid-state research. Here, we meticulously construct an artificial kagome potential to …
TBPLaS: A tight-binding package for large-scale simulation
TBPLaS is an open-source software package for the accurate simulation of physical systems
with arbitrary geometry and dimensionality utilizing the tight-binding (TB) theory. It has an …
with arbitrary geometry and dimensionality utilizing the tight-binding (TB) theory. It has an …
Sierpiński structure and electronic topology in Bi thin films on InSb (111) B surfaces
Deposition of Bi on InSb (111) B reveals a striking Sierpiński-triangle (ST)-like structure in Bi
thin films. Such a fractal geometric topology is further shown to turn off the intrinsic electronic …
thin films. Such a fractal geometric topology is further shown to turn off the intrinsic electronic …
Topological states on fractal lattices
We investigate the fate of topological states on fractal lattices. Focusing on a spinless chiral
p-wave paired superconductor, we find that this model supports two qualitatively distinct …
p-wave paired superconductor, we find that this model supports two qualitatively distinct …
From graphene to fullerene: experiments with microwave photonic crystals
Ultracold quantum gases serve as ideal models for the characterization of universal
properties of a variety of phenomena in quantum systems. In a formal analogy to …
properties of a variety of phenomena in quantum systems. In a formal analogy to …
Hall conductivity of a Sierpiński carpet
We calculate the Hall conductivity of a Sierpiński carpet using Kubo-Bastin formula. The
quantization of Hall conductivity disappears when we increase the depth of the fractal, and …
quantization of Hall conductivity disappears when we increase the depth of the fractal, and …
Higher-order topological phases on fractal lattices
Electronic materials harbor a plethora of exotic quantum phases, ranging from
unconventional superconductors to non-Fermi liquids and, more recently, topological …
unconventional superconductors to non-Fermi liquids and, more recently, topological …