Exponential Thermal Tensor Network Approach for Quantum Lattice Models

We speed up thermal simulations of quantum many-body systems in both one- (1D) and two-dimensional (2D) models in an exponential way by iteratively projecting the thermal density matrix ρ[over ^]=e^{-βH[over ^]} onto itself. We refer to this scheme of doubling β in each step of the imaginary time ev...

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Autores principales: Bin-Bin Chen, Lei Chen, Ziyu Chen, Wei Li, Andreas Weichselbaum
Formato: article
Lenguaje:EN
Publicado: American Physical Society 2018
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Acceso en línea:https://doaj.org/article/5873e6f57eef4ae7a853502b80da7538
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