Quick Navigation

Overview Topics Abstract Importance Paper Tools References Reactions Discussion Publication Related

Topics

Open Quantum Systems Decoherence

Importance of bath dynamics for decoherence in spin systems

arXiv

Authors: Shengjun Yuan, Mikhail I. Katsnelson, Hans De Raedt

Year

2007

Paper ID

49657

Status

Preprint

Abstract Read

~2 min

Abstract Words

108

Citations

N/A

Abstract

We study the decoherence of two coupled spins that interact with a chaotic spin-bath environment. It is shown that connectivity of spins in the bath is of crucial importance for the decoherence of the central system. The previously found phenomenon of two-step decoherence Phys. Rev. Lett. {bf 90}, 210401 (2003) turns out to be typical for the bath with a slow enough dynamics or no dynamics. For a generic random system with chaotic dynamics a conventional exponential relaxation to the pointer states takes place. Our results confirm a conjecture of Paz and Zurek Phys. Rev. Lett. {bf 82}, 5181 (1999) that for weak enough interactions the pointer states are eigenstates of the central system.

Why This Paper Matters

This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
It adds a 2007 reference point for readers tracking recent quantum research.
We study the decoherence of two coupled spins that interact with a chaotic spin-bath environment.

Paper Tools

Become a member to use research tools

Sign in to open papers, visit source links, share, cite, compare, copy DOI links, request category corrections, and build your reading list.

Become a member Sign in

Show Paper arXiv Publisher Share Cite This Paper Copy URL Compare Copy DOI Add to Reading List Category Correction Request

References & Citation Signals

[1] DOI https://doi.org/arXiv:0707.2372 [2] arXiv https://arxiv.org/abs/0707.2372 [3] Publisher https://arxiv.org/abs/0707.2372

Local Citation Graph (Related-Paper Links)

External citation index: OpenAlex citation signal

Community Reactions

Quick sentiment from readers on this paper.

Score: 0

Likes: 0 Dislikes: 0

Discussion & Reviews (Moderated)

Average Rating: 0.0 / 5 (0 ratings)

No written reviews yet.