Journal
PHYSICAL REVIEW B
Volume 78, Issue 9, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.78.094510
Keywords
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Funding
- National Scientific Foundation [Phy-0603759.]
- U.S. Department of Energy, Division of Materials Sciences [DEFG02-91ER45439]
- University of Illinois at Urbana-Champaign
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The competing orders in the particle-particle (P-P) channel and the particle-hole (P-H) channel have been proposed separately to explain the pseudogap physics in cuprates. By solving the Bogoliubov-de Gennes equation self-consistently, we show that there is a general complementary connection between the d-wave-checkerboard (DWCB) order in the P-H channel and the pair-density-wave (PDW) order in the P-P channel. A small pair density localization generates DWCB and PDW orders simultaneously. The result suggests that suppressing superconductivity locally or globally through phase fluctuation should induce both orders in underdoped cuprates. The presence of both DWCB and PDW orders with 4a X 4a periodicity can explain the checkerboard modulation observed in Fourier transform scanning tunneling spectroscopies from scanning tunneling microscopy and the puzzling dichotomy between the nodal and antinodal regions as well as the characteristic features such as nondispersive Fermi arc in the pseudogap state.
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