2D lattice

Publication Types:

The optical Su-Schrieffer-Heeger model on a triangular lattice

2D latticeDQMCJournalPre-printSSH model
Max Casebolt, Sohan Malkaruge Costa, Benjamin Cohen-Stead, Richard Scalettar, Steven Johnston
arXiv:2604.04123
Publication year: 2026

Semi-Metal to Valence-Bond-Solid Phase Transition in the Honeycomb Lattice Using Machine Learning Techniques

2D latticeAbstractDQMCMLSSH model
Sohan Sanjay Malkaruge Costa, George Issa, Philip M Dee, Benjamin Cohen-Stead, Ehsan Khatami, Richard T Scalettar, Steven S Johnston
Publication year: 2026

Antiferromagnetism and Kekulé valence bond order in the honeycomb optical Su-Schrieffer-Heeger-Hubbard model

2D latticeDQMCHubbard modelJournalSSH model
Sohan Malkaruge Costa , Benjamin Cohen-Stead , and Steven Johnston
hys. Rev. B 113, 115138 – Published 18 March, 2026
Publication year: 2026

Antiferromagnetic and Kekulé Valence Bond Solid Correlations in the Optical Su-Schrieffer-Heeger-Hubbard Model on a Honeycomb Lattice

2D latticeAbstractDQMCHubbard modelSSH model
Benjamin Cohen-Stead, Sohan Sanjay Malkaruge Costa, Steven S Johnston
Publication year: 2026

DQMC study of competing phases of the Hubbard-optical SSH model on the honeycomb lattice

2D latticeAbstractDQMCHubbard modelSSH model
Sohan Sanjay Malkaruge Costa, Benjamin Cohen-Stead, Steven S Johnston
Publication year: 2025

Optical Su-Schrieffer-Heeger model in Honeycomb Lattice using DQMC

2D latticeAbstractDQMCSSH model
Sohan Sanjay Malkaruge Costa, Benjamin Cohen-Stead, Steven S Johnston
Publication year: 2024

Kekulé valence bond order in the honeycomb lattice optical Su-Schrieffer-Heeger model and its relevance to graphene

2D latticeDQMCJournalSSH model
Sohan Malkaruge Costa, Benjamin Cohen-Stead, Steven Johnston
Phys. Rev. B 110, 115130 – Published 16 September, 2024
Publication year: 2024

Comparative study of the superconductivity in the Holstein and optical Su-Schrieffer-Heeger models

2D latticeDQMCHolstein modelJournalSSH model
Andy Tanjaroon Ly , Benjamin Cohen-Stead , Sohan Malkaruge Costa , and Steven Johnston
Phys. Rev. B 108, 184501 – Published 1 November, 2023
Publication year: 2023

Comparative Quantum Monte Carlo studies of the two-dimensional bond Su-Schrieffer-Heeger and Holstein models

2D latticeAbstractDQMCHolstein modelSSH model
Andy Tanjaroon Ly, Sohan Sanjay Malkaruge Costa, Steven S Johnston, Benjamin Cohen-Stead, Philip M Dee, Richard T Scalettar
Publication year: 2023