2021 ◽  
Vol 287 ◽  
pp. 123001
Author(s):  
Pengyu Wang ◽  
Shuhong Wang ◽  
Zishan Zhang ◽  
Alipujiang Jierula

1953 ◽  
Vol 6 (1) ◽  
pp. 1 ◽  
Author(s):  
NW Taylor

It is shown how the general relativistic electromagnetic equations for a material medium can be expressed in the form of a single four-vector density equation. The field tensor has six different complex components instead of three, as in the case of a, free medium. The classical equations are obtained by separating the real and imaginary parts.


2019 ◽  
Vol 18 (1) ◽  
pp. 30-52 ◽  
Author(s):  
Jill H Casid

Mis-hear the ‘cene’ in Anthropocene and we are not beholders of an epoch or witnesses to a prospect of distancing projection onto a deep past or lost future but, rather, in the scene of our undoing. In this scene that I reframe as the Necrocene, there are still ways of doing things with being undone. Current art practice offers a new ars moriendi to make contestatorily palpable and even transform the necropolitical conditions of the Necrocene crisis by working with the strangely resilient powers of death. Current practices that deform the landscape-form demonstrate how the vulnerability of living our dying offers a queer material medium to agitate for livable life toward a black, trans* more-than-human commons.


2020 ◽  
Vol 102 (5) ◽  
Author(s):  
Martin Formanek ◽  
Andrew Steinmetz ◽  
Johann Rafelski

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