Journal
PHYSICAL REVIEW LETTERS
Volume 105, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.105.050404
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Funding
- EU
- Humboldt Foundation
- Fundacion Seneca [11602/EE2/09, 11920/PI/09-J]
- Ministerio de Ciencia e Innovacion [FIS2009-13483-C02-02]
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Multicomponent quantum systems in strong interaction with their environment are receiving increasing attention due to their importance in a variety of contexts, ranging from solid state quantum information processing to the quantum dynamics of biomolecular aggregates. Unfortunately, these systems are difficult to simulate as the system-bath interactions cannot be treated perturbatively and standard approaches are invalid or inefficient. Here we combine the time-dependent density matrix renormalization group with techniques from the theory of orthogonal polynomials to provide an efficient method for simulating open quantum systems, including spin-boson models and their generalizations to multicomponent systems.
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