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Physical Review Letters

Volumn 65, Issue 8, 1990, Pages 1032-1035

New collective mode and corrections to Fermi-liquid theory in two dimensions

(2) Engelbrecht, Jan R a Randeria, Mohit b

a UNIVERSITY OF ILLINOIS AT URBANA CHAMPAIGN (United States)

b STONY BROOK UNIVERSITY (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 4243521082 PISSN: 00319007 EISSN: None Source Type: Journal
DOI: 10.1103/PhysRevLett.65.1032 Document Type: Article

Times cited : (106)

References (18)

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- Anderson, P.W.¹

2
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- Varma, C.M.¹ Littlewood, P.B.² Schmitt-Rink, S.³ Abrahams, E.⁴ Ruckenstein, A.E.⁵

3
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- Anderson, P.W.¹

4
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- Randeria, M.¹ Duan, J.² Shieh, L.³

5
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- Schmitt-Rink, S.¹ Varma, C.M.² Ruckenstein, A.E.³

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- Serene, J.¹

7
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- (1958) Zh. Eksp. Teor. Fiz. , vol.34 , pp. 151
- Galitskii, V.M.¹

8
- 0001020566
- (1958) Sov. Phys. JETP , vol.7 , pp. 104

9
- 0001101293
- (1971) Phys. Rev. B , vol.4 , pp. 302
- Hodges, C.¹ Smith, H.² Wilkins, J.W.³

10
- 0000081512
- (1967) Phys. Rev. Lett. , vol.18 , pp. 1049
- Anderson, P.W.¹

11
- 33744607114
- The parameter Ea is defined through the logarithmic derivative of the two-body wave function at the range of the potential [see, ]. For example, for a potential V (r) = V0> 0 within a disk r < R, and zero outside, one has Ea= εR times exp ( εR/ V0).
- (1990) Phys. Rev. B , vol.41 , pp. 327
- Randeria, M.¹ Duan, J.² Shieh, L.³

12
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- Randeria, Duan, and Shieh, Ref. 10.

13
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- Engelbrecht, J.R.¹ Randeria, M.²

14
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- (1985) J. Low Temp. Phys. , vol.59 , pp. 195
- Nozieres, P.¹ Schmitt-Rink, S.²

15
- 84927435405
- Note that even though one usually associates a positive phase shift with attraction, which might suggest a lowering of the energy, the sign of delta is offset by the negative sign of the relevant Bose occupation factor in the derivation of (11).

16
- 84927435404
- While this breakup into pole and continuum contributions is convenient to make, it must be remembered that the existence of the pole also affects the continuum phase shift, which, for example, must rise to pi at the bottom of the band.

17
- 0001639772
- (1975) Phys. Rev. B , vol.12 , pp. 125
- Bloom, P.¹

18
- 84927435403
- This is an example of the result obtained by A. A. Abrikosov, L. P. Gorkov, and I. E. Dzyaloshinski, Methods of Quantum Field Theory in Statistical Mechanics (Dover, New York, 1975), Sec. 20. This logarithmic singularity at the Fermi surface leads to superconductivity for attractive interactions.

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