English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

We make a critical analysis of numerical results for and against phaseseparation and stripe formation in the t-J model. We argue that the frustratedphase separation mechanism for stripe formation requires phase separation attoo high a doping for it to be consistent with existing numerical studies ofthe t-J model. We compare variational energies for various methods, andconclude that the most accurate calculations for large systems appear to befrom the density matrix renormalization group. These calculations imply thatthe ground state of the doped t-J model is striped, not phase separated.Comment: This version includes a revised, more careful comparison of numerical  results between DMRG and Green's function Monte Carlo. In particular, for the  original posted version we were accidentally sent obsolete data by Hellberg  and Manousakis; their new results, which are what were used in their Physical  Review Letter, are more accurate because a better trial wavefunction was use

physical review. b, condensed matter

Phase separation and stripe formation in the two-dimensional<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>t</mml:mi><mml:mo>−</mml:mo><mml:mi>J</mml:mi></mml:math>model: A comparison of numerical results

Phase separation and stripe formation in the two-dimensionalt−Jmodel: A comparison of numerical results