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Topological Quantum Computing
Open Quantum Systems Decoherence
On the Sign of Fermion-Mediated Interactions
arXiv
Authors: Qing-Dong Jiang
Year
2020
Paper ID
20637
Status
Preprint
Abstract Read
~2 min
Abstract Words
55
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Abstract
We develop a unified framework for understanding the sign of fermion-mediated interactions by exploiting the symmetry classification of Green's functions. In particular, we establish a theorem regarding the sign of fermion-mediated interactions in systems with chiral symmetry. The strength of the theorem is demonstrated within multiple examples with an emphasis on electron-mediated interactions in materials.
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- This paper contributes to the Topological Quantum Computing research area in the Quantum Articles archive.
- It adds a 2020 reference point for readers tracking recent quantum research.
- We develop a unified framework for understanding the sign of fermion-mediated interactions by exploiting the symmetry classification of Green's functions.
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