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2025 CAP Congress / Congrès de l'ACP 2025

8–13 Jun 2025
America/Regina timezone
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Session

(DCMMP) R1-2 Quantum and Strongly Correlated Materials | Matériaux quantiques et fortement corrélés (DPMCM)

R1-2
12 Jun 2025, 13:30

Conveners

(DCMMP) R1-2 Quantum and Strongly Correlated Materials | Matériaux quantiques et fortement corrélés (DPMCM)

  • Kirill Samokhin (Brock University)

Presentation materials

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  1. 296. Entanglement growth in the disordered Fermi Hubbard model
    Rachel Wortis
    12/06/2025, 13:30
    Condensed Matter and Materials Physics / Physique de la matière condensée et matériaux (DCMMP-DPMCM)
    Invited Speaker / Conférencier(ère) invité(e)

    How isolated quantum systems reach thermal equilibrium is a long-standing question of continuing interest. The absence of equilibration in some systems is also well known, notably Anderson localization in noninteracting systems with quenched disorder. More recently, the term many-body localization has been applied to interacting systems in which equilibration is suppressed by disorder. ...

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  2. 36. 2PI strong coupling approach to out of equilibrium dynamics of the clean and disordered Bose Hubbard model
    Dr Malcolm Kennett (Simon Fraser University)
    12/06/2025, 14:00
    Condensed Matter and Materials Physics / Physique de la matière condensée et matériaux (DCMMP-DPMCM)
    Oral (Non-Student) / Orale (non-étudiant(e))

    Out of equilibrium phenomena in the Bose-Hubbard model (BHM), such as the spreading of correlations, thermalization and many-body localization have attracted considerable interest in recent years. We have developed a two particle irreducible (2PI) strong coupling (2PISC) approach that allows us to access out of equilibrium phenomena in dimensions higher than one. We have investigated the...

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  3. 57. Properties of Holstein polarons at finite temperature
    Jeet Shannigrahi (University of British Columbia, Vancouver)
    12/06/2025, 14:15
    Condensed Matter and Materials Physics / Physique de la matière condensée et matériaux (DCMMP-DPMCM)
    Oral not-in-competition (Graduate Student) / Orale non-compétitive (Étudiant(e) du 2e ou 3e cycle)

    We generalize the Momentum Average (MA) approximation to compute the finite temperature spectral functions of the Holstein polaron in an one-dimensional system. We validate our MA results in 1D against available numerical data from the density matrix renormalization group (DMRG) method and the finite-temperature Lanczos method, establishing the accuracy of the MA results which are obtained at...

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  4. 394. Towards an ab initio theory of high-temperature superconductors: a study of multilayer cuprates
    André-Marie Tremblay (Université de Sherbrooke)
    12/06/2025, 14:30
    Condensed Matter and Materials Physics / Physique de la matière condensée et matériaux (DCMMP-DPMCM)
    Invited Speaker / Conférencier(ère) invité(e)

    A new quantum framework reveals how chemistry and crystal structure govern high-temperature superconductivity, explaining behaviors seen in multilayer cuprates and guiding the search for room-temperature superconductors.

    While low-temperature superconductivity is well understood, the mechanisms behind superconductivity at higher temperature remain elusive. In this work, we propose a quantum...

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