Sergey Kovalev

Sergey Alexandrovich Kovalev (Kovalyov) (; born 2 April 1983) is a Russian former professional boxer who competed from 2009 to 2025. He held multiple light-heavyweight world championships, including the WBA (Undisputed) and IBF titles from 2014 to 2016, and the WBO title three times between 2013 and 2019. Nicknamed the "Krusher", Kovalev is particularly known for his exceptional punching power, although he describes himself as "just a regular boxer".

In November 2019, Kovalev was ranked as the world's second-best light-heavyweight by ''The Ring'' magazine, third by BoxRec, and fourth by the Transnational Boxing Rankings Board. In 2014, ''The Ring'' named him its Fighter of the Year. Provided by Wikipedia
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    Spin-orbit interaction driven terahertz nonlinear dynamics in transition metals

    Spin-orbit interaction driven terahertz nonlinear dynamics in transition metals by Ruslan Salikhov, Markus Lysne, Philipp Werner, Igor Ilyakov, Michael Schüler, Thales V. A. G. de Oliveira, Alexey Ponomaryov, Atiqa Arshad, Gulloo Lal Prajapati, Jan-Christoph Deinert, Pavlo Makushko, Denys Makarov, Thomas Cowan, Jürgen Fassbender, Jürgen Lindner, Aleksandra Lindner, Carmine Ortix, Sergey Kovalev

    Published 2025-01-01
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