Publications

Publications/Conference presentations/Data sets/Code bases

2025

  1. PhysRevB
    Antiferromagnetism and Kekulé valence bond order in the honeycomb optical Su-Schrieffer-Heeger-Hubbard model
    Sohan Malkaruge Costa, Benjamin Cohen-Stead, and Steven Johnston
    Pri-print in arxiv, 2025
    DOI HTML
    N/A Google Scholar citations
  2. APS March 2025
    APS2025 - DQMC study of competing phases of the Hubbard-optical SSH model on the honeycomb lattice
    Sohan Malkaruge Costa, Benjamin Cohen-Stead, and Steven Johnston
    Mar 2025
    [Conference presentation]

2024

  1. SciPost
    SmoQyDQMC.jl: A flexible implementation of determinant quantum Monte Carlo for Hubbard and electron-phonon interactions
    Benjamin Cohen-Stead, Sohan Malkaruge Costa, James Neuhaus, and 5 more authors
    SciPost Phys. Codebases, Mar 2024
    DOI HTML
    N/A Google Scholar citations
  2. PhysRevB
    Kekulé valence bond order in the honeycomb lattice optical Su-Schrieffer-Heeger model and its relevance to graphene
    Sohan Malkaruge Costa, Benjamin Cohen-Stead, and Steven Johnston
    Phys. Rev. B, Sep 2024
    [Data set]
    DOI HTML
    N/A Google Scholar citations
  3. SciPost
    Codebase release r0.3 for SmoQyDQMC.jl
    Benjamin Cohen-Stead, Sohan Malkaruge Costa, James Neuhaus, and 5 more authors
    SciPost Phys. Codebases, Sep 2024
    DOI HTML
    N/A Google Scholar citations
  4. APS March 2024
    APS2024 - Optical Su-Schrieffer-Heeger model in Honeycomb Lattice using DQMC
    Sohan Malkaruge Costa, Benjamin Cohen-Stead, and Steven Johnston
    Mar 2024
    [Conference presentation]

2023

  1. PhysRevB
    Comparative study of the superconductivity in the Holstein and optical Su-Schrieffer-Heeger models
    Andy Tanjaroon Ly, Benjamin Cohen-Stead, Sohan Malkaruge Costa, and 1 more author
    Phys. Rev. B, Nov 2023
    DOI HTML
    N/A Google Scholar citations
  2. PhysRevB
    Comparative determinant quantum Monte Carlo study of the acoustic and optical variants of the Su-Schrieffer-Heeger model
    Sohan Malkaruge Costa, Benjamin Cohen-Stead, Andy Tanjaroon Ly, and 2 more authors
    Phys. Rev. B, Oct 2023
    DOI HTML
    N/A Google Scholar citations
  3. APS March 2023
    APS2023 - On the equivalence of the bond and optical SSH models in the adiabatic limit
    Sohan Malkaruge Costa, Benjamin Cohen-Stead, Steven Johnston, and 1 more author
    Mar 2023
    [Conference presentation]
  4. APS March 2023
    APS2023 - Comparative Quantum Monte Carlo studies of the two-dimensional bond Su-Schrieffer-Heeger and Holstein models
    Andy Tanjaroon Ly, Sohan Malkaruge Costa, Steven Johnston, and 3 more authors
    Mar 2023
    [Conference presentation]