scholarly journals Finite-temperature phases of trapped bosons in a two-dimensional quasiperiodic potential

2022 ◽  
Vol 105 (1) ◽  
Author(s):  
Matteo Ciardi ◽  
Tommaso Macrì ◽  
Fabio Cinti
Keyword(s):  
Finite Temperature ◽  
Two Dimensional ◽  
Quasiperiodic Potential ◽  
Trapped Bosons

scholarly journals MAGNETIC INSTABILITY IN A PARITY INVARIANT TWO-DIMENSIONAL FERMION SYSTEM

2000 ◽  
Vol 14 (14) ◽  
pp. 1441-1449 ◽  
Author(s):  
M. ELIASHVILI ◽  
G. TSITSISHVILI
Keyword(s):  
High Temperature ◽  
Temperature Regime ◽  
Ground State ◽  
Finite Temperature ◽  
Two Dimensional ◽  
Fermion System ◽  
Temperature Analysis ◽  
Magnetic Instability ◽  
High Temperature Regime

We consider the parity invariant QED2+1 where the matter is represented as a mixture of fermions with opposite spins. It is argued that the perturbative ground state of the system is unstable with respect to the formation of magnetized ground state. Carrying out the finite temperature analysis we show that the magnetic instability disappears in the high temperature regime.

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