scholarly journals Pairing and chiral spin density wave instabilities on the honeycomb lattice: A comparative quantum Monte Carlo study

2018 ◽  
Vol 97 (7) ◽  
Author(s):  
Tao Ying ◽  
Stefan Wessel
Keyword(s):  
Monte Carlo ◽  
Spin Density ◽  
Quantum Monte Carlo ◽  
Density Wave ◽  
Spin Density Wave ◽  
Monte Carlo Study ◽  
Honeycomb Lattice ◽  
Wave Instabilities

scholarly journals Spin density wave instabilities in theNbS2monolayer

2016 ◽  
Vol 93 (9) ◽  
Author(s):  
F. Güller ◽  
V. L. Vildosola ◽  
A. M. Llois
Keyword(s):  
Spin Density ◽  
Density Wave ◽  
Spin Density Wave ◽  
Wave Instabilities

scholarly journals Monte Carlo Studies of Quantum Critical Metals

2019 ◽  
Vol 10 (1) ◽  
pp. 63-84 ◽  
Author(s):  
Erez Berg ◽  
Samuel Lederer ◽  
Yoni Schattner ◽  
Simon Trebst
Keyword(s):  
Monte Carlo ◽  
Quantum Monte Carlo ◽  
High Temperature Superconductors ◽  
Density Wave ◽  
Spin Density Wave ◽  
Quantum Criticality ◽  
Critical Metals ◽  
Monte Carlo Studies ◽  
The Status ◽  
Quantum Critical

Metallic quantum critical phenomena are believed to play a key role in many strongly correlated materials, including high-temperature superconductors. Theoretically, the problem of quantum criticality in the presence of a Fermi surface has proven to be highly challenging. However, it has recently been realized that many models used to describe such systems are amenable to numerically exact solution by quantum Monte Carlo (QMC) techniques, without suffering from the fermion sign problem. In this review, we examine the status of the understanding of metallic quantum criticality and the recent progress made by QMC simulations. We focus on the cases of spin-density wave and Ising nematic criticality. We describe the results obtained so far and their implications for superconductivity, non-Fermi liquid behavior, and transport near metallic quantum critical points. Some of the outstanding puzzles and future directions are highlighted.

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