%0 Journal Article %1 WOS:000331618700015 %A Sousa, J M %A Leite, R V %A Landim, R R %A Filho, R N Costa %C PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS %D 2014 %I ELSEVIER SCIENCE BV %J PHYSICA B-CONDENSED MATTER %K Green's Impurities Ising Spin ferromagnet; function; model; modes} wave; {XXZ %P 78-83 %R 10.1016/j.physb.2014.01.004 %T Impurity modes in the one-dimensional XXZ Heisenberg model %V 438 %X A Green's function formalism is used to calculate the energy of impurity modes associated with one and/or two magnetic impurities in the one-dimensional Heisenberg XXZ magnetic chain. The system can be tuned from the Heisenberg to the Ising model varying a parameter lambda. A numerical study is performed showing two types of localized modes (s and p). The modes depend on lambda and the degeneracy of the acoustic modes is broken. (C) 2014 Elsevier B.V. All rights reserved.

@article{WOS:000331618700015, abstract = {A Green's function formalism is used to calculate the energy of impurity modes associated with one and/or two magnetic impurities in the one-dimensional Heisenberg XXZ magnetic chain. The system can be tuned from the Heisenberg to the Ising model varying a parameter lambda. A numerical study is performed showing two types of localized modes (s and p). The modes depend on lambda and the degeneracy of the acoustic modes is broken. (C) 2014 Elsevier B.V. All rights reserved.}, added-at = {2022-05-23T20:00:14.000+0200}, address = {PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS}, author = {Sousa, J M and Leite, R V and Landim, R R and Filho, R N Costa}, biburl = {https://www.bibsonomy.org/bibtex/21f8ab3570586c26d6e40b9c90fb03483/ppgfis_ufc_br}, doi = {10.1016/j.physb.2014.01.004}, interhash = {2813cb3449f890a7d1e34fd9eda9eea0}, intrahash = {1f8ab3570586c26d6e40b9c90fb03483}, issn = {0921-4526}, journal = {PHYSICA B-CONDENSED MATTER}, keywords = {Green's Impurities Ising Spin ferromagnet; function; model; modes} wave; {XXZ}, pages = {78-83}, publisher = {ELSEVIER SCIENCE BV}, pubstate = {published}, timestamp = {2022-05-23T20:00:14.000+0200}, title = {Impurity modes in the one-dimensional XXZ Heisenberg model}, tppubtype = {article}, volume = 438, year = 2014 }