Sign-Problem-Free Quantum Monte Carlo Study on Thermodynamic Properties and Magnetic Phase Transitions in Orbital-Active Itinerant Ferromagnets

2014/11/30 by Shenglong Xu, Yi Li, Congjun Wu · 1 citation
Materials Science · Mathematics · Physics and Astronomy · #Advanced Condensed Matter Physics #Condensed matter physics #Ferromagnetism #Magnetic and transport properties of perovskites and related materials #Mathematics #Monte Carlo method #Phase (matter) #Phase transition #Physics #Quantum #Quantum Monte Carlo #Quantum mechanics #Quantum phase transition #Rare-earth and actinide compounds #Sign (mathematics) #Statistical physics #cond-mat.stat-mech #cond-mat.str-el

paper · pdf · doi:10.1103/physrevx.5.021032

published as Phys. Rev. X 5, 021032 (2015) · 17 pages, 17 figures

arxiv created 2015/04/19 · openalex publication_date 2015/06/23 · arxiv updated 2018/03/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/06

Abstract

Ferromagnetism of delocalized fermions is a fundamental aspect of condensed-matter physics but is difficult to describe using typical perturbative methods. Using nonperturbative simulations, scientists accurately determine the ferromagnetic transition temperature and other thermodynamic properties of a ferromagnetic metal.

Citations

• How generic scale invariance influences quantum and classical phase transitions
• Fast impurity solver based on Gutzwiller variational approach
• Absence of Ferromagnetism or Antiferromagnetism in One- or Two-Dimensional Isotropic Heisenberg Models
• A local exchange-correlation potential for the spin polarized case. i
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• Fermi-liquid instabilities at magnetic quantum phase transitions
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• Orbital Ordering and Frustration ofp-Band Mott Insulators
• Recent Developments of World-Line Monte Carlo Methods
• Charge Ordering, Commensurability, and Metallicity in the Phase Diagram of the LayeredNaxCoO2
• Continuous-time Monte Carlo methods for quantum impurity models
• Self-Consistent Equations Including Exchange and Correlation Effects
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