Path-integral Monte Carlo Simulations without the Sign Problem: Multilevel Blocking Approach for Effective Actions
classification
⚛️ physics.chem-ph
cond-mat.stat-mechphysics.comp-ph
keywords
blockingcarlomontemultilevelpath-integralproblemsignsimulations
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The multilevel blocking algorithm recently proposed as a possible solution to the sign problem in path-integral Monte Carlo simulations has been extended to systems with long-ranged interactions along the Trotter direction. As an application, new results for the real-time quantum dynamics of the spin-boson model are presented.
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