Radio-Frequency Spectroscopy of a Strongly Interacting Two-Dimensional Fermi Gas

被引：211

作者：

Froehlich, Bernd ^{[1
]}

Feld, Michael ^{[1
]}

Vogt, Enrico ^{[1
]}

Koschorreck, Marco ^{[1
]}

Zwerger, Wilhelm ^{[2
]}

Koehl, Michael ^{[1
]}

机构：

[1] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England

[2] Tech Univ Munich, Dept Phys, D-85748 Garching, Germany

来源：

PHYSICAL REVIEW LETTERS | 2011年 / 106卷 / 10期

基金：

英国工程与自然科学研究理事会;

关键词：

CONDENSATION;

D O I：

10.1103/PhysRevLett.106.105301

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We realize and study a strongly interacting two-component atomic Fermi gas confined to two dimensions in an optical lattice. Using radio-frequency spectroscopy we measure the interaction energy of the strongly interacting gas. We observe the confinement-induced Feshbach resonance on the attractive side of the 3D Feshbach resonance and find the existence of confinement-induced molecules in very good agreement with theoretical predictions.

引用

页数：4

共 33 条

[11] Exploring phase coherence in a 2D lattice of Bose-Einstein condensates -: art. no. 160405 [J].

Greiner, M ;

Bloch, I ;

Mandel, O ;

Hänsch, TW ;

Esslinger, T .

PHYSICAL REVIEW LETTERS, 2001, 87 (16)

[12] p-Wave interactions in low-dimensional fermionic gases -: art. no. 230401 [J].

Günter, K ;

Stöferle, T ;

Moritz, H ;

Köhl, M ;

Esslinger, T .

PHYSICAL REVIEW LETTERS, 2005, 95 (23)

[13] Radio-frequency spectroscopy of ultracold fermions [J].

Gupta, S ;

Hadzibabic, Z ;

Zwierlein, MW ;

Stan, CA ;

Dieckmann, K ;

Schunck, CH ;

van Kempen, EGM ;

Verhaar, BJ ;

Ketterle, W .

SCIENCE, 2003, 300 (5626) :1723-1726

[14] Confinement-Induced Resonances in Low-Dimensional Quantum Systems [J].

Haller, Elmar ;

Mark, Manfred J. ;

Hart, Russell ;

Danzl, Johann G. ;

Reichsoellner, Lukas ;

Melezhik, Vladimir ;

Schmelcher, Peter ;

Naegerl, Hanns-Christoph .

PHYSICAL REVIEW LETTERS, 2010, 104 (15)

[15] Spectral functions and rf response of ultracold fermionic atoms [J].

Haussmann, R. ;

Punk, M. ;

Zwerger, W. .

PHYSICAL REVIEW A, 2009, 80 (06)

[16] Pure gas of optically trapped molecules created from fermionic atoms [J].

Jochim, S ;

Bartenstein, M ;

Altmeyer, A ;

Hendl, G ;

Chin, C ;

Denschlag, JH ;

Grimm, R .

PHYSICAL REVIEW LETTERS, 2003, 91 (24)

[17] Fermionic atoms in a three dimensional optical lattice:: Observing Fermi surfaces, dynamics, and interactions -: art. no. 080403 [J].

Köhl, M ;

Moritz, H ;

Stöferle, T ;

Günter, K ;

Esslinger, T .

PHYSICAL REVIEW LETTERS, 2005, 94 (08)

[18] Observation of a Two-Dimensional Fermi Gas of Atoms [J].

Martiyanov, Kirill ;

Makhalov, Vasiliy ;

Turlapov, Andrey .

PHYSICAL REVIEW LETTERS, 2010, 105 (03)

[19] Production of a Fermi gas of atoms in an optical lattice [J].

Modugno, G ;

Ferlaino, F ;

Heidemann, R ;

Roati, G ;

Inguscio, M .

PHYSICAL REVIEW A, 2003, 68 (01) :4

[20] Confinement induced molecules in a 1D Fermi gas -: art. no. 210401 [J].

Moritz, H ;

Stöferle, T ;

Günter, K ;

Köhl, M ;

Esslinger, T .

PHYSICAL REVIEW LETTERS, 2005, 94 (21)

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