# Open Quantum System Approach to the Modeling of Spin Recombination Reactions

Source: [Open Quantum System Approach to the Modeling of Spin Recombination Reactions](<https://www.sota2.com/research/paper/68fa2b4b1e209131ce845869>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-24T14:06:30.281Z

Authors: M. Tiersch, U. E. Steiner, S. Popescu, H. J. Briegel

Published: 2012-04-20T13:57:08.000Z

## Abstract

In theories of spin-dependent radical pair reactions, the time evolution of the radical pair, including the effect of the chemical kinetics, is described by a master equation in the Liouville formalism. For the description of the chemical kinetics, a number of possible reaction operators have been formulated in the literature. In this work, we present a framework that allows for a unified description of the various proposed mechanisms and the forms of reaction operators for the spin-selective recombination processes. Based on the concept that master equations can be derived from a microscopic description of the spin system interacting with external degrees of freedom, it is possible to gain insight into the underlying microscopic processes and to develop a systematic approach towards determining the specific form of reaction operator in concrete scenarios.

## Recorded benchmark results

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/1204.4634>)

[PDF](<https://arxiv.org/pdf/1204.4634.pdf>)