# Superconductor-insulator transition of Josephson-junction arrays on a honeycomb lattice in a magnetic field

@article{Granato2016SuperconductorinsulatorTO, title={Superconductor-insulator transition of Josephson-junction arrays on a honeycomb lattice in a magnetic field}, author={Enzo Granato}, journal={The European Physical Journal B}, year={2016}, volume={89}, pages={1-8} }

Abstract
We study the superconductor to insulator transition at zero temperature in a
Josephson-junction array model on a honeycomb lattice with f flux quantum per
plaquette. The path integral representation of the model corresponds to a (2 + 1)-dimensional classical model, which is
used to investigate the critical behavior by extensive Monte Carlo simulations on large
system sizes. In contrast to the model on a square lattice, the transition is found to be
first order for f = 1 /
3 and…

## 7 Citations

Quantum vortex melting and superconductor insulator transition in a 2D Josephson junction array in a perpendicular magnetic field via diffusion Monte Carlo

- PhysicsJournal of physics. Condensed matter : an Institute of Physics journal
- 2018

This study simulated a quantum rotor model describing a Josephson junction array (JJA) in the phase representation at zero temperature in a perpendicular magnetic field with a guiding wavefunction optimized using the variational Monte Carlo (VMC) method.

Disorder-induced superconductor to insulator transition and finite phase stiffness in two-dimensional phase-glass models

- Physics
- 2020

We study numerically the superconductor to insulator transition in two-dimensional phase-glass (or chiral-glass) models with varying degree of disorder. These models describe the effects of gauge…

Magnetic-field frustration and chiral-glass to insulator transition in superconducting arrays with random $$\pi $$ junctions

- PhysicsThe European Physical Journal B
- 2021

We study the effects of random $$\pi $$
Josephson junctions and applied magnetic field on the quantum phase transitions of superconducting arrays, described by a two-dimensional phase-glass model.…

Quasiparticle Screening near a Bosonic Superconductor-Insulator Transition Revealed by Magnetic Impurity Doping.

- PhysicsPhysical review letters
- 2019

Observations provide strong evidence that the bosonic SIT in thin films is a Mott transition driven by Coulomb interactions that are screened by virtual quasiparticle excitations, which distinguishes these SITs from those in microfabricated Josephson Junction arrays, cold atom systems, and likely in high temperature superconductors with nodes in their quasipping states.

Critical properties of the quantum rotor model with phase frustration at incommensurate filling in two dimensions

- Physics
- 2016

The critical properties of the zero-temperature superfluid-insulator transition in the fullyfrustrated quantum rotor model at incommensurate filling in two dimensions are studied. We develop a…

A dynamical transition of a chain of charged particles in a 2D substrate potential

- PhysicsCommunications in Theoretical Physics
- 2020

The transport of a chain of charged particles with a transverse degree of freedom is investigated in a 2D asymmetric potential. Here, the energy of the periodic driving force is converted into motion…

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