Landau Damping of Collective Excitation in Homogeneous Bose-Einstein Condensate

Ying Chen; Yu Zhou; Xiaodong Ma

doi:10.3788/AOS202242.1627001

Journals >Acta Optica Sinica >Volume 42 >Issue 16 >Page 1627001 > Article

Acta Optica Sinica
Vol. 42, Issue 16, 1627001 (2022)

Landau Damping of Collective Excitation in Homogeneous Bose-Einstein Condensate

Ying Chen¹, Yu Zhou^2、**, and Xiaodong Ma^1、*

Author Affiliations

¹Xinjiang Key Laboratory for Luminescence Minerals and Optical Functional Materials, School of Physics and Electronic Engineering, Xinjiang Normal University, Urumqi 830054, Xinjiang , China

²School of Science, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu , China

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DOI: 10.3788/AOS202242.1627001 Cite this Article Set citation alerts

Ying Chen, Yu Zhou, Xiaodong Ma. Landau Damping of Collective Excitation in Homogeneous Bose-Einstein Condensate[J]. Acta Optica Sinica, 2022, 42(16): 1627001 Copy Citation Text

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Dimensionless damping function F(τ) varying with dimensionless temperature τ under different εq. (a) εq=10-26 J; (b) εq=10-31 J; (c) εq=10-36 J

Fig. 1. Dimensionless damping function

F (τ)

varying with dimensionless temperature

τ

under different

ε_{q}

. (a)

ε_{q} = 10^{- 26}

J; (b)

ε_{q} =

10^{- 31}

J; (c)

ε_{q} =

10^{- 36}

Download full size

F1(τ), f1(τ) and τ4 varying with τ under different situations. (a) εq=10-26 J, n=1014 m-3; (b) εq=10-31 J, n=1019 m-3; (c) εq=10-36 J, n=1024 m-3

Fig. 2.

F_{1} (τ)

f_{1} (τ)

and

τ^{4}

varying with

τ

under different situations. (a)

ε_{q} = 10^{- 26}

n = 10^{14}

m^-3; (b)

ε_{q} = 10^{- 31}

n = 10^{19}

m^-3; (c)

ε_{q} = 10^{- 36}

n = 10^{24}

m^-3

Download full size

Fig. 3.

F_{2} (τ)

and

f_{2} (τ)

varying with

τ

under different situations. (a)

ε_{q} = 10^{- 26}

n = 10^{14}

m^-3; (b)

ε_{q} = 10^{- 31}

n = 10^{19}

m^-3; (c)

ε_{q} = 10^{- 36}

n = 10^{24}

m^-3

Download full size

Fig. 4.

e r f (x, τ)

varying with

x

under different situations. (a)

ε_{q} = 10^{- 26}

n = 10^{14}

m^-3; (b)

ε_{q} = 10^{- 31}

n = 10^{19}

m^-3; (c)

ε_{q} = 10^{- 36}

n = 10^{24}

m^-3

Ying Chen, Yu Zhou, Xiaodong Ma. Landau Damping of Collective Excitation in Homogeneous Bose-Einstein Condensate[J]. Acta Optica Sinica, 2022, 42(16): 1627001

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