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The spiral phase and the spin liquid state in the t-J-J` model

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Abstract

The possible spin liquid state and phase separation are studied in the framework of t-J-J` model (frustrated t-J model) by using the Schwinger boson mean field theory. It is shown that both the doping and quantum fluctuation of spins, which are treated on the same footing, favor the spin liquid state. Away from half-filling, the phase separation is still present for any values of t/J, and J`/J in the case of spin S=1/2, but the tendency to diminish the range of the phase separation is induced due to the quantum fluctuation of spins. (author). 15 refs, 6 figs.
Authors:
Publication Date:
Nov 01, 1992
Product Type:
Technical Report
Report Number:
IC-92/375
Reference Number:
SCA: 665411; PA: AIX-24:021619; SN: 93000946403
Resource Relation:
Other Information: PBD: Nov 1992
Subject:
75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; HIGH-TC SUPERCONDUCTORS; SPIN; ANTIFERROMAGNETISM; COPPER OXIDES; GROUND STATES; HUBBARD MODEL; MEAN-FIELD THEORY; 665411; BASIC SUPERCONDUCTIVITY STUDIES
OSTI ID:
10126472
Research Organizations:
International Centre for Theoretical Physics (ICTP), Trieste (Italy)
Country of Origin:
IAEA
Language:
English
Other Identifying Numbers:
Other: ON: DE93617139; TRN: XA9333259021619
Availability:
OSTI; NTIS (US Sales Only); INIS
Submitting Site:
INIS
Size:
[17] p.
Announcement Date:
Jul 04, 2005

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Citation Formats

Shiping, Feng. The spiral phase and the spin liquid state in the t-J-J` model. IAEA: N. p., 1992. Web.
Shiping, Feng. The spiral phase and the spin liquid state in the t-J-J` model. IAEA.
Shiping, Feng. 1992. "The spiral phase and the spin liquid state in the t-J-J` model." IAEA.
@misc{etde_10126472,
title = {The spiral phase and the spin liquid state in the t-J-J` model}
 author = {Shiping, Feng}
 abstractNote = {The possible spin liquid state and phase separation are studied in the framework of t-J-J` model (frustrated t-J model) by using the Schwinger boson mean field theory. It is shown that both the doping and quantum fluctuation of spins, which are treated on the same footing, favor the spin liquid state. Away from half-filling, the phase separation is still present for any values of t/J, and J`/J in the case of spin S=1/2, but the tendency to diminish the range of the phase separation is induced due to the quantum fluctuation of spins. (author). 15 refs, 6 figs.}
 place = {IAEA}
 year = {1992}
 month = {Nov}
 }