Modified logarithmic Sobolev inequalities hold for Davies semigroups in 2D Abelian quantum double models at positive temperatures via a Dobrushin-Shlosman condition and verified strong martingale property for conditional expectations.
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Quantum Gibbs samplers thermalize to Gibbs states in polynomial time at high temperatures for Lieb-Robinson bounded Hamiltonians and are BQP-complete at low temperatures via circuit-to-Hamiltonian reductions.
k-local quantum Hamiltonians admit system-size-independent spectral gap for Gibbs samplers at high temperature, enabling FPT quantum approximation algorithms for partition functions.
citing papers explorer
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Modified logarithmic Sobolev inequalities for Abelian quantum double models
Modified logarithmic Sobolev inequalities hold for Davies semigroups in 2D Abelian quantum double models at positive temperatures via a Dobrushin-Shlosman condition and verified strong martingale property for conditional expectations.
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Efficient thermalization and universal quantum computing with quantum Gibbs samplers
Quantum Gibbs samplers thermalize to Gibbs states in polynomial time at high temperatures for Lieb-Robinson bounded Hamiltonians and are BQP-complete at low temperatures via circuit-to-Hamiltonian reductions.
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Fast mixing of all-to-all quantum systems at high temperatures
k-local quantum Hamiltonians admit system-size-independent spectral gap for Gibbs samplers at high temperature, enabling FPT quantum approximation algorithms for partition functions.