Rearrangements of interacting Fermi liquids

  • The stability condition of the Landau Fermi liquid theory may be broken when the interaction between particles is strong enough. In this case, the ground state is reconstructed to have a particle distribution different from the Fermi-step function. For specific instances, one case with the vector boson exchange and another with the relativistic heavy-ion collision are taken into consideration. With the vector boson exchange, we find that the relative weak interaction strength can lead to the ground-state rearrangement as long as the fermion mass is large enough. It is found that the relativistic heavy-ion collision may also cause the ground-state rearrangement, affecting the statistics of the collision system.
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ANG Rong-Yao and JIANG Wei-Zhou. Rearrangements of interacting Fermi liquids[J]. Chinese Physics C, 2014, 38(10): 104104. doi: 10.1088/1674-1137/38/10/104104
ANG Rong-Yao and JIANG Wei-Zhou. Rearrangements of interacting Fermi liquids[J]. Chinese Physics C, 2014, 38(10): 104104.  doi: 10.1088/1674-1137/38/10/104104 shu
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Received: 2013-12-30
Revised: 2014-03-25
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Rearrangements of interacting Fermi liquids

    Corresponding author: JIANG Wei-Zhou,

Abstract: The stability condition of the Landau Fermi liquid theory may be broken when the interaction between particles is strong enough. In this case, the ground state is reconstructed to have a particle distribution different from the Fermi-step function. For specific instances, one case with the vector boson exchange and another with the relativistic heavy-ion collision are taken into consideration. With the vector boson exchange, we find that the relative weak interaction strength can lead to the ground-state rearrangement as long as the fermion mass is large enough. It is found that the relativistic heavy-ion collision may also cause the ground-state rearrangement, affecting the statistics of the collision system.

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