Quantum Computing Using Dissipation to Remain in a Decoherence-Free Subspace

2000/04/30 by Almut Beige, A. Beige, D. Braun +4 · 510 citations
Computer Science · Physics and Astronomy · #Artificial intelligence #Computer science #Decoherence-free subspaces #Dissipation #Open quantum system #Physics #Quantum #Quantum Computing Algorithms and Architecture #Quantum Information and Cryptography #Quantum Mechanics and Applications #Quantum Zeno effect #Quantum computer #Quantum decoherence #Quantum dissipation #Quantum error correction #Quantum mechanics #Statistical physics #Subspace topology #quant-ph

paper · pdf · doi:10.1103/physrevlett.85.1762

published in Physical Review Letters 85(8), 1762-1765 (American Physical Society) · replaced with version accepted for publication in PRL

arxiv created 2000/07/04 · openalex publication_date 2000/08/21 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

We propose a new approach to the implementation of quantum gates in which decoherence during the gate operations is strongly reduced. This is achieved by making use of an environment induced quantum Zeno effect that confines the dynamics effectively to a decoherence-free subspace.

Citations

• Quantum Zeno effect
• Coherent population transfer among quantum states of atoms and molecules
• Good Quantum Error-Correcting Codes Exist
• Cavity-loss-induced generation of entangled atoms
• Quantum theory, the Church–Turing principle and the universal quantum computer
• Quantum computers and dissipation

Cited by

• Quantum Zeno effect and nonclassicality in a PT-symmetric system of coupled cavities
• Cooling atoms into entangled states