Rearrangements of interacting Fermi liquids

ANG Rong-Yao; JIANG Wei-Zhou

doi:10.1088/1674-1137/38/10/104104

Chinese Physics C> 2014, Vol. 38> Issue(10) : 104104 DOI: 10.1088/1674-1137/38/10/104104

Rearrangements of interacting Fermi liquids

ANG Rong-Yao ,
JIANG Wei-Zhou ^,

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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.

References

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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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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Rearrangements of interacting Fermi liquids

Corresponding author: JIANG Wei-Zhou,

Received Date: 2013-12-30

Accepted Date: 2014-03-25

Available Online: 2014-10-05

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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