Journal
PHYSICAL REVIEW B
Volume 81, Issue 23, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.81.235115
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Funding
- U.S. National Science Foundation [DMR-0645461]
- Direct For Mathematical & Physical Scien [844115] Funding Source: National Science Foundation
- Division Of Materials Research [844115] Funding Source: National Science Foundation
- Ministry of Education, Science & Technology (MoST), Republic of Korea [IC] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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We study a model of strongly correlated spinless fermions on a kagome lattice at 1/3 filling with interactions described by an extended Hubbard Hamiltonian. An effective Hamiltonian in the desired strong correlation regime is derived, from which the spectral functions are calculated by means of exact diagonalization techniques. We present our numerical results with a view to discussion of possible signatures of confinement/deconfinement of fractional charges.
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