Realizing the Strongly Correlated d-Wave Mott-Insulator State in a Fermionic Cold-Atom Optical Lattice

Journal Article · Fri Oct 10 00:00:00 EDT 2008 · Physical Review Letters

DOI:https://doi.org/10.1103/PHYSREVLETT.101.150406· OSTI ID:21179785

Peterson, Michael R; Chuanwei, Zhang; Tewari, Sumanta; Sarma, S Das ^[1]

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1. Condensed Matter Theory Center, Department of Physics, University of Maryland, College Park, Maryland 20742 (United States)

We show that a new state of matter, the d-wave Mott-insulator state (d-Mott state) (introduced recently by [H. Yao, W. F. Tsai, and S. A. Kivelson, Phys. Rev. B 76, 161104 (2007)]), which is characterized by a nonzero expectation value of a local plaquette operator embedded in an insulating state, can be engineered using ultracold atomic fermions in two-dimensional double-well optical lattices. We characterize and analyze the parameter regime where the d-Mott state is stable. We predict the testable signatures of the state in the time-of-flight measurements.

• OSTI ID: 21179785
• Journal Information: Physical Review Letters, Vol. 101, Issue 15; Other Information: DOI: 10.1103/PhysRevLett.101.150406; (c) 2008 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0031-9007
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ATOMS
D WAVES
EXPECTATION VALUE
FERMIONS
MATTER
TIME-OF-FLIGHT METHOD
TWO-DIMENSIONAL CALCULATIONS