Exact density matrix for quantum group invariant sector of XXZ model

DOI10.1007/978-3-030-78148-4_20zbMath1497.82009arXiv1804.08974OpenAlexW4285522534MaRDI QIDQ2091286

Yanyan Li

Publication date: 1 November 2022

Full work available at URL: https://arxiv.org/abs/1804.08974

Mathematics Subject Classification ID

Quantum groups and related algebraic methods applied to problems in quantum theory (81R50) Lattice systems (Ising, dimer, Potts, etc.) and systems on graphs arising in equilibrium statistical mechanics (82B20)

Cites Work

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• Hidden quantum group symmetry and integrable perturbations of conformal field theories
• Algebraic representation of correlation functions in integrable spin chains
• Low energy effective Hamiltonian for the \(XXZ\) spin chain
• New exact results on density matrix for XXX spin chain
• Geometric and renormalized entropy in conformal field theory
• Factorization of the finite temperature correlation functions of theXXZchain in a magnetic field
• Entanglement entropy and conformal field theory
• Entanglement entropy of non-unitary conformal field theory
• Quantum groups
• The double-exponential transformation in numerical analysis

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