Zonal Estimators for Quasiperiodic Bosonic Many-Body Phases

Autor:	Matteo Ciardi, Tommaso Macrì, Fabio Cinti
Jazyk:	angličtina
Rok vydání:	2022
Předmět:	quantum phases quasicrystals trapped bosons superfluidity path-integral Monte Carlo Science Astrophysics QB460-466 Physics QC1-999
Zdroj:	Entropy, Vol 24, Iss 2, p 265 (2022)
Druh dokumentu:	article
ISSN:	24020265 1099-4300
DOI:	10.3390/e24020265
Popis:	In this work, we explore the relevant methodology for the investigation of interacting systems with contact interactions, and we introduce a class of zonal estimators for path-integral Monte Carlo methods, designed to provide physical information about limited regions of inhomogeneous systems. We demonstrate the usefulness of zonal estimators by their application to a system of trapped bosons in a quasiperiodic potential in two dimensions, focusing on finite temperature properties across a wide range of values of the potential. Finally, we comment on the generalization of such estimators to local fluctuations of the particle numbers and to magnetic ordering in multi-component systems, spin systems, and systems with nonlocal interactions.
Databáze:	Directory of Open Access Journals
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