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Quantum Gravity Relativistic Quantum Information Quantum Entropy Information Measures Open Quantum Systems Decoherence Quantum Simulation

Quantendynamik offener Systeme, Trendbericht Theoretische Chemie 2020, Teil 3

arXiv
Authors: Benjamin P. Fingerhut

Year

2021

Paper ID

62075

Status

Preprint

Abstract Read

~2 min

Abstract Words

96

Citations

N/A

Abstract

Quantum mechanics describes the unitary time evolution of isolated systems. In reality, every quantum system interacts with its environment, leading to an irreversible loss of the phase relation. Path integral based methods provide a rigorous description of the process of decoherence. We provide an overview over recent numerical methods suited to describe the non-perturbative regime of system bath interaction. - Quantenmechanik beschreibt die unitäre Zeitentwicklung isolierter Systeme. In der Realität interagiert jedes Quantensystem mit seiner Umwelt, was zu einem irreversiblen Verlust von Phasenbeziehungen führt. Pfadintegralbasierte Methoden erlauben eine rigorose Beschreibung dieser Dekohärenzprozesse.

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.
  • Quantum mechanics describes the unitary time evolution of isolated systems.

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