Variational Study of the Two‐Impurity Spin–Boson Model with a Common Ohmic Bath: Ground‐State Phase Transitions

DOI10.1002/ANDP.201800120arXiv1908.09245WikidataQ129221447 ScholiaQ129221447MaRDI QIDQ6084098

Yu-Yu Zhang, Nengji Zhou, Unnamed Author, Zhi-Guo Lü

Publication date: 31 October 2023

Published in: Annalen der Physik (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1908.09245

zbMATH Keywords

variational methodquantum phase transitionsspin-Boson model

Mathematics Subject Classification ID

Quantum theory (81-XX)

Related Items (2)

Numerical variational studies of quantum phase transitions in the sub-Ohmic spin-Boson model with multiple polaron ansatz ⋮ Quantum criticality of the Ohmic spin-boson model in a high dense spectrum: symmetries, quantum fluctuations and correlations

Cites Work

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• Entanglement entropy, decoherence, and quantum phase transitions of a dissipative two-level system
• Matrix product state representation without explicit local Hilbert space truncation with applications to the sub-ohmic spin-boson model

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