Bounding the amount of entanglement from witness operators

A team of researchers has proposed an approach to quantify entanglement using the standard entanglement witness procedure under three common experimental scenarios. Their work is published in Physical Review Letters.

Toward a unified theory for dynamics of glassy materials

In the realm of disorder and amorphous systems, such as oxide glasses utilized in display technologies and the cryogenic preservation of biological materials, there exists a substantial body of contemporary scientific and ...

Research team resolves decades-long problem in microscopy

When viewing biological samples with a microscope, the light beam is disturbed if the lens of the objective is in a different medium than the sample. For example, when looking at a watery sample with a lens surrounded by ...

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