Fermi gases go with the superfluid flow

Physics World ◽  
2007 ◽  
Vol 20 (6) ◽  
pp. 39-43 ◽  
Author(s):  
Wolfgang Ketterle ◽  
Yong-il Shin
Keyword(s):  
2020 ◽  
Vol 2020 (10) ◽  
Author(s):  
Naotaka Kubo

Abstract It is known that matrix models computing the partition functions of three-dimensional $$ \mathcal{N} $$ N = 4 superconformal Chern-Simons theories described by circular quiver diagrams can be written as the partition functions of ideal Fermi gases when all the nodes have equal ranks. We extend this approach to rank deformed theories. The resulting matrix models factorize into factors depending only on the relative ranks in addition to the Fermi gas factors. We find that this factorization plays a critical role in showing the equality of the partition functions of dual theories related by the Hanany-Witten transition. Furthermore, we show that the inverses of the density matrices of the ideal Fermi gases can be simplified and regarded as quantum curves as in the case without rank deformations. We also comment on four nodes theories using our results.


2021 ◽  
Vol 104 (1) ◽  
Author(s):  
Aaron Merlin Müller ◽  
Miklós Lajkó ◽  
Florian Schreck ◽  
Frédéric Mila ◽  
Jiří Minář

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