Phase separation in the 2D Hubbard model: a challenging application of fixed-node QMC
Giovanni B. Bachelet, Andrea C. Cosentini
TL;DR
This paper explores the application of fixed-node quantum Monte Carlo methods to study phase separation in the 2D Hubbard model, highlighting its advantages, limitations, and future prospects in understanding lattice fermion systems.
Contribution
It provides a detailed discussion of the fixed-node QMC approach applied to the 2D Hubbard model, emphasizing its potential and challenges.
Findings
Demonstrates the feasibility of fixed-node QMC for 2D Hubbard model
Identifies key limitations of the fixed-node approach in this context
Suggests future directions for improving lattice fermion simulations
Abstract
We discuss the main aspects of the fixed-node quantum Monte Carlo method for lattice fermions and its recent application to the problem of phase separation in the 2D Hubbard model, along with virtues, limitations and perspectives of this kind of approach.
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Taxonomy
TopicsPhysics of Superconductivity and Magnetism · Advanced Condensed Matter Physics · Quantum and electron transport phenomena