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Open Quantum Systems Decoherence
Quantum Simulation
Quantitatively improved finite-size criteria for spectral gaps
arXiv
Authors: Marius Lemm, David Xiang
Year
2021
Paper ID
40643
Status
Preprint
Abstract Read
~2 min
Abstract Words
48
Citations
N/A
Abstract
Finite-size criteria have emerged as an effective tool for deriving spectral gaps in higher-dimensional frustration-free quantum spin systems. We quantitatively improve the existing finite-size criteria by introducing a novel subsystem weighting scheme. The approach applies to Euclidean lattices of any dimension, the honeycomb lattice, and the triangular lattice.
Why This Paper Matters
- This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
- It adds a 2021 reference point for readers tracking recent quantum research.
- Finite-size criteria have emerged as an effective tool for deriving spectral gaps in higher-dimensional frustration-free quantum spin systems.
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