scholarly journals Cyclic exchange, isolated states, and spinon deconfinement in anXXZHeisenberg model on the checkerboard lattice

2004 ◽  
Vol 69 (22) ◽  
Author(s):  
Nic Shannon ◽  
Grégoire Misguich ◽  
Karlo Penc
Keyword(s):  
Cyclic Exchange

scholarly journals The unique Polyakov blocks

2020 ◽  
Vol 2020 (11) ◽  
Author(s):  
Charlotte Sleight ◽  
Massimo Taronna
Keyword(s):  
Closed Form ◽  
Arbitrary Spin ◽  
Contact Term ◽  
Closed Form Expression ◽  
Direct Channel ◽  
Form Expression ◽  
Channel Expansion ◽  
Twist Operators ◽  
Cyclic Exchange

Abstract In this work we present a closed form expression for Polyakov blocks in Mellin space for arbitrary spin and scaling dimensions. We provide a prescription to fix the contact term ambiguity uniquely by reducing the problem to that of fixing the contact term ambiguity at the level of cyclic exchange amplitudes — defining cyclic Polyakov blocks — in terms of which any fully crossing symmetric correlator can be decomposed. We also give another, equivalent, prescription which does not rely on a decomposition into cyclic amplitudes. We extract the OPE data of double-twist operators in the direct channel expansion of the cyclic Polyakov blocks using and extending the analysis of [1, 2] to include contributions that are non-analytic in spin. The relation between cyclic Polyakov blocks and analytic Bootstrap functionals is underlined.

scholarly journals Four-spin cyclic exchange in spin ladder cuprates

2003 ◽  
Vol 67 (13) ◽  
Author(s):  
Carmen J. Calzado ◽  
Coen de Graaf ◽  
Esther Bordas ◽  
Rosa Caballol ◽  
Jean-Paul Malrieu
Keyword(s):  
Spin Ladder ◽  
Cyclic Exchange

The Cyclic Development of Mosses and The Lichen Baeomyces Rufus in an Ecosystem

1982 ◽  
Vol 14 (3) ◽  
pp. 261-265 ◽  
Author(s):  
H. M. Jahns
Keyword(s):  
Vegetative Reproduction ◽  
Cyclic Exchange

AbstractA cyclic exchange between communities of mosses and the lichen Baeomyces rufus is described. The cushions of different mosses are supplanted by the lichen. After a lifespan of about 3 years the lichen dies off and the location is repossessed by mosses. The vegetative reproduction of the lichen is adapted to this ecological cycle.

scholarly journals Thermodynamic properties of spin ladders with cyclic exchange

2003 ◽  
Vol 67 (13) ◽  
Author(s):  
Alexander Bühler ◽  
Ute Löw ◽  
Kai P. Schmidt ◽  
Götz S. Uhrig
Keyword(s):  
Thermodynamic Properties ◽  
Cyclic Exchange

scholarly journals Spin-Chirality Duality in a Spin Ladder with Four-Spin Cyclic Exchange

2003 ◽  
Vol 90 (8) ◽  
Author(s):  
Toshiya Hikihara ◽  
Tsutomu Momoi ◽  
Xiao Hu
Keyword(s):  
Spin Ladder ◽  
Cyclic Exchange
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