نتایج جستجو برای: metrology
تعداد نتایج: 4764 فیلتر نتایج به سال:
Single parameter estimation is known to benefit from extreme sensitivity changes in quantum critical systems. However, the simultaneous of multiple parameters generally limited due incompatibility arising nature underlying system. A key question whether criticality may also play a positive role reducing parameters. We argue that this case and verify prediction paradigmatic many-body systems clo...
Entanglement is at the heart of quantum technologies such as quantum information and quantum metrology. Providing larger quantum Fisher information (QFI), entangled systems can be better resources than separable systems in quantum metrology. However the effects on the entanglement dynamics such as decoherence usually decrease the QFI considerably. On the other hand, Dzyaloshinskii-Moriya (DM) i...
In this paper we intend to demonstrate the need for extending the notion of quality from the physical domain to information and, more comprehensively, to sustainability. In physical metrology there are well established principles such as fundamental units, precision, accuracy, traceability and uncertainty. In order to understand and define quality for information and sustainability we need to d...
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