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522
Ulm University, Germany
...dynamical control (suppression or enhancement) of the entanglement of (single or multi-particle) systems with arbitrary reservoirs or noise sources and the dynamically-modified decay and ...
46m 25s |
4 years ago
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Quantum decoherence
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Physical system
University of Ulm
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650
...quantum terminology, such a non-locality can be interpreted as a consequence of the correlation between commuting observables due to the different position. Thus, a more general concept, i.e., ...
32m 22s |
2 years ago
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Boris Podolsky
University of Ulm
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5450
Ulm University, Germany
In this talk I will describe recent experimental work in my group on quantum transport and control of Bose-Einstein condensates. In one experiment, we have achieved tight confinement of a rubidium ...
44m 27s |
4 years ago
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University of Ulm
Boson
Control-
Albert Einstein
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419
...quantum states). I shall focus on the implications of envariance for the understanding of the origins and nature of ignorance, and, hence, for the origin of probabilities in physics. While ...
39m 20s |
4 years ago
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University of Ulm
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...Ulm,...red man's view of the universe, and his work in particle and energy theory helped make possible quantum mechanics and, ultimately, the atomic bomb. This video courtesy of THE HISTORY ...
a year ago
Biography Channel
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2118
Ulm University, Germany
We note that the conventional definitions of entropy do not provide a quantity, which is changing monotonously with time. As most quantum systems relax to a unique ground state, the final entropy is zero independently of which mixed state we start in. The result of our work is a quantity serving as a Lyapunov function or generalized entropy for a general dynamical system. This derives from the introduction of a natural scalar product on the density matrices. We also address the question of the meaning of time reversal for system undergoing irreversible time evolution. The concept of time reversal is generalized and under reasonable assumptions, a unique definition is found to emerge.
33m 43s |
4 years ago
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University of Ulm
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