## A.R. Akhmerov

84 records found

1

## Authored

## Landau quantization near generalized Van Hove singularities

### Magnetic breakdown and orbit networks

We develop a theory of magnetic breakdown (MB) near high-order saddle points in the dispersions of two-dimensional materials, where two or more semiclassical cyclotron orbits approach each other. MB occurs due to quantum tunneling between several trajectories, which leads to n ...

## Breathing mode in open-orbit magnetotransport

### A magnetic lens with a quantum mechanical focal length

We consider the propagation of electrons in a lattice with an anisotropic dispersion in the x-y plane (lattice constant a), such that it supports open orbits along the x axis in an out-of-plane magnetic field B. We show that a point source excites a "breathing mode,"a state th ...

## Chiral anomaly trapped in Weyl metals

### Nonequilibrium valley polarization at zero magnetic field

In Weyl semimetals, the application of parallel electric and magnetic fields leads to valley polarization-an occupation disbalance of valleys of opposite chirality-a direct consequence of the chiral anomaly. In this work, we present numerical tools to explore such nonequilibri ...

## Qsymm

### Algorithmic symmetry finding and symmetric Hamiltonian generation

Symmetry is a guiding principle in physics that allows us to generalize conclusions between many physical systems. In the ongoing search for new topological phases of matter, symmetry plays a crucial role by protecting topological phases. We address two converse questions rele ...

## Andreev rectifier

### A nonlocal conductance signature of topological phase transitions

The proximity effect in hybrid superconductor-semiconductor structures, crucial for realizing Majorana edge modes, is complicated to control due to its dependence on many unknown microscopic parameters. In addition, defects can spoil the induced superconductivity locally in th ...

## Contributed

## Simulating Level-set Percolation on the Discrete Gaussian Free Field with Arbitrary Conductances

### Using a Conjugate Gradient Sampler

## Towards Scalable Qubit Arrays

### Electrical Potential Landscape Control in Germanium Quantum Dot Devices

matter systems. One such circuit is a Cooper pair transistor which has already

been widely studied in different regi ...

## Computer Vision for Exam Grading

### Final Report

## Broken Mirrors

### The breakdown of the law of reflection in bilayer graphene

## Hydrodynamical graphene - where every electron counts

### Molecular dynamics study of relativistic charge flow

## On the effect of disorder on band structures

### An analytical study of the effects of disorder on the BHZ Hamiltonian and an extended BHZ Hamiltonian

## Mobile CFD solving

### Solving natural convection problems in real time

power of a smartphone we tried to generate real time simulations of relatively simple transient natural

convection problems in the laminar regime. The focus lies on ...