The effect of RVB flux configuration on the superconducting state
Journal Article
·
· Int. J. Mod. Phys. B; (United States)
The RVB state is a singlet quantum liquid which can support periodic or fluid-like quantum circulation around the elementary plaquette in two dimensions. In the s + id phase there is a half flux quanta of circulation in every elementary plaquette. The authors show that the holons in the presence of this lattice of circulation have a two-valley structure, as opposed to s or d states, which have a single valley. Using an effective holon Hamiltonian, they study the mean-field properties of the two-valley holon condensate, and compare its energy with the single valley case. A transition from the d to the s +id state is predicted with increasing hole concentration for sufficiently large Hubbard U. Some speculations are offered about the general case of a fluid-like distribution of flux quanta.
- Research Organization:
- Institute of Mathematical Sciences, Madras (India); International Rice Research Inst., College, Laguna (Philippines); Academia Sinica, Beijing, BJ (China). Inst. of Theoretical Physics
- OSTI ID:
- 5690121
- Journal Information:
- Int. J. Mod. Phys. B; (United States), Journal Name: Int. J. Mod. Phys. B; (United States) Vol. 2:5; ISSN IJPBE
- Country of Publication:
- United States
- Language:
- English
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656001 -- Condensed Matter Physics-- Solid-State Plasma
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71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
BOSONS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
FIELD THEORIES
HAMILTONIANS
LATTICE FIELD THEORY
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PHASE STUDIES
PHYSICAL PROPERTIES
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QUANTUM OPERATORS
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE
TWO-DIMENSIONAL CALCULATIONS