Spin response and metastability of a strongly repulsive Fermi gas of ultracold atoms

2017 ◽  
Author(s):  
A. Amico ◽  
F. Scazza ◽  
G. Valtolina ◽  
P. Tavares ◽  
A. Burchianti ◽  
...  
Keyword(s):  
Ultracold Atoms ◽  
Fermi Gas ◽  
Spin Response

High-frequency tail of the radio-frequency spectrum in a unitary Fermi gas with particle–hole fluctuation

2018 ◽  
Vol 32 (24) ◽  
pp. 1850280
Author(s):  
Xiao-Xia Ruan ◽  
Fei Wang ◽  
Hao Gong ◽  
Zheng-Ling Wang ◽  
Hong-Shi Zong
Keyword(s):  
Radio Frequency ◽  
Frequency Spectrum ◽  
High Frequency ◽  
Ultracold Atoms ◽  
Fermi Gas ◽  
Normal Phase ◽  
Matrix Approximation ◽  
Self Consistent ◽  
Radio Frequency Spectrum ◽  
Unitary Fermi Gas

The contact plays an important role in the study of ultracold atoms. We determine the contact from the high-frequency asymptotic behavior of radio-frequency spectrum for a homogeneous Fermi gas at unitarity in the normal phase. The contact is obtained within the framework of the non-self-consistent T-matrix approximation with particle–hole fluctuation.

scholarly journals Itinerant Ferromagnetism in a Fermi Gas of Ultracold Atoms

Science ◽  
2009 ◽  
Vol 325 (5947) ◽  
pp. 1521-1524 ◽  
Author(s):  
G.-B. Jo ◽  
Y.-R. Lee ◽  
J.-H. Choi ◽  
C. A. Christensen ◽  
T. H. Kim ◽  
...  
Keyword(s):  
Ultracold Atoms ◽  
Fermi Gas ◽  
Itinerant Ferromagnetism

scholarly journals Dynamic Spin Response of a Strongly Interacting Fermi Gas

2012 ◽  
Vol 109 (5) ◽  
Author(s):  
S. Hoinka ◽  
M. Lingham ◽  
M. Delehaye ◽  
C. J. Vale
Keyword(s):  
Fermi Gas ◽  
Strongly Interacting ◽  
Dynamic Spin ◽  
Spin Response

A New Condition of Formation and Stablity of All Crystalline Systems in a Good Agreement with Experimental Data

2015 ◽  
Vol 11 (3) ◽  
pp. 3224-3228
Author(s):  
Tarek El-Ashram
Keyword(s):  
Experimental Data ◽  
Brillouin Zone ◽  
Electron Concentration ◽  
Free Electron ◽  
Lattice Point ◽  
Valence Electron ◽  
Fermi Gas ◽  
Valence Electron Concentration ◽  
Fermi Sphere ◽  
Good Agreement

In this paper we derived a new condition of formation and stability of all crystalline systems and we checked its validity andit is found to be in a good agreement with experimental data. This condition is derived directly from the quantum conditionson the free electron Fermi gas inside the crystal. The new condition relates both the volume of Fermi sphere VF andvolume of Brillouin zone VB by the valence electron concentration VEC as ;𝑽𝑭𝑽𝑩= 𝒏𝑽𝑬𝑪𝟐for all crystalline systems (wheren is the number of atoms per lattice point).

Sign in / Sign up

Export Citation Format

Share Document