Stabilizing spin coherence through environmental entanglement in strongly dissipative quantum systems

2013/07/31 by Soumya Bera, Serge Florens, Harold U. Baranger +3 · 2 citations
Computer Science · Physics and Astronomy · #Quantum Information and Cryptography #Quantum and electron transport phenomena #Spectroscopy and Quantum Chemical Studies #cond-mat.mes-hall #cond-mat.str-el #quant-ph

paper · pdf · doi:10.1103/physrevb.89.121108

published as Phys. Rev. B 89, 121108(R) (2014) · 5 pages, 3 figures, supplementary file attached. This article supersedes arXiv:1301.7430

openalex publication_date 2014/03/18 · arxiv created 2014/03/20 · arxiv updated 2014/03/21 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28

Abstract

The authors propose an entangled variational coherent-state expansion for the ground state of the Ohmic spin-boson model, and observe a surprisingly dramatic influence of environmental entanglement on qubit coherence.

Citations

• Unveiling environmental entanglement in strongly dissipative qubits
• Numerical renormalization group method for quantum impurity systems
• Numerical Renormalization Group for Bosonic Systems and Application to the Sub-Ohmic Spin-Boson Model
• Dynamics of the dissipative two-state system
• Quantum Computation and Quantum Information
• Quantum biology

Cited by

• Simulating open quantum dynamics with time-dependent variational matrix product states: Towards microscopic correlation of environment dynamics and reduced system evolution
• Simulating Open Quantum Systems with Hamiltonian Ensembles and the Nonclassicality of the Dynamics