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Revivals in the attractive BEC in a double-well potential and their decoherence
Revivals attractive BEC double-well potential their decoherence
2010/11/11
We study the dynamics of ultracold attractive atoms in a weakly linked two potential wells. We consider an unbalanced initial state and monitor dynamics of the population difference between the two we...
Influence Functional Approach to Decoherence During Inflation
Functional Approach Decoherence Inflation
2010/10/13
We show how the quantum to classical transition of the cosmological fluctuations produced during inflation can be described by means of the influence functional and the master equation. We split the i...
Intrinsic Time-Uncertainties and Decoherence: Comparison of 4 Models
Intrinsic Time-Uncertainties and Decoherence 4 Models
2010/10/13
Four models of energy decoherence are discussed from the common perspective of intrinsic time-uncertainty. The four authors — Milburn, Adler, Penrose, and myself — have four different approaches. The ...
Quantum Chaos, Dynamical Stability and Decoherence
Quantum Chaos Dynamical Stability Decoherence
2010/10/13
We discuss the stability of quantum motion under system’s perturbations in the light of the corresponding classical behavior. In particular we focus our attention on the so called “fidelity” or Loschm...
The main steps in the development of the ideas on decoherence are briefly reviewed, together with their present achievements. Unsolved problems are also pointed out.