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We investigate the quantum critical behavior in the anisotropy XY spin chain by means of geometric discord (DG). Near the critical point, the key ingredients of the quantum criticality (e.g, finite-size scaling behavior, universality principle and critical exponents) are investigated carefully, and the results show that the DG is reliable to characterize the quantum critical behavior in such system.
HLA™ (Hi-density Leadframe Array) is a new leadframe-based technology that breaks the legacy QFN lead finger constraints and offers a solution to high I/O package requirements in the industry. It can replace many types of leadframe and BGA technologies. As a leadframe-based product, it has limitless design flexibility and allows the designer to design the package around the die. I/O counts of HLA...
We investigate joint cooperation diversity and symbol mapping diversity strategies for cooperative space-time coding system that employs nonbinary linear modulations. Substantial symbol error rate gains results from different symbol mappings for each packet transmission (symbol mapping diversity) and independent delivering paths to the final destination (cooperation diversity), which can combat the...
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