UvA- Author
- Year
- 2014
- Title
- Competing States in the t-J Model: Uniform d-Wave State versus Stripe State versus Stripe State
- Journal
- Physical Review Letters
- Volume | Issue number
- 113 | 4
- Number of pages
- 5
- Document type
- Article
- Faculty
- Faculty of Science (FNWI)
- Institute
- Institute for Theoretical Physics Amsterdam (ITFA)
- Abstract
-
Variational studies of the t-J model on the square lattice based on infinite projected-entangled pair states confirm an extremely close competition between a uniform d-wave superconducting state and different stripe states. The site-centered stripe with an in-phase d-wave order has an equal or only slightly lower energy than the stripe with antiphase d-wave order. The optimal stripe filling is not constant but increases with J/t. A nematic anisotropy reduces the pairing amplitude and the energies of stripe phases are lowered relative to the uniform state with increasing nematicity.
- URL
- go to publisher's site
- Language
- English
- Note
- With supplemental material
- Permalink
- http://hdl.handle.net/11245/1.437554
- Downloads
- Supplementary materials
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