# name
Chern number in the Kitaev honeycomb lattice model

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Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Curs: 2025, Tutor: Sofyan Iblisdir

# metadata.dc.description.abstract[].value
We study a topological invariant in the 2D Kitaev honeycomb model: the Chern number. This model consists of a spin 1 2 hexagonal lattice that can be divided into two triangular sublattices. By applying an external perturbation we can induce a non-trivial phase for some coupling configurations that yields a non-zero Chern number. First we set a theoretical basis in order to understand the results. Then we study how different parameters affect the Chern number.
More exactly; finite-size effects, an external perturbation, different coupling configurations and strengths.We will see how each of these variations change the Chern number

# metadata.dc.title[].value
Chern number in the Kitaev honeycomb lattice model