Topological Excitation in an Antiferromagnetic Bose-Einstein Condensate | Zendy

Yi-Shi Duan | Zendy; J.-p. Wang | Zendy; Xia-Ji Liu | Zendy; Peng Zhang | Zendy

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Topological Excitation in an Antiferromagnetic Bose-Einstein Condensate

Author(s) -

Yi-Shi Duan,

J.-p. Wang,

Xia-Ji Liu,

Peng Zhang

Publication year - 2003

Publication title -

progress of theoretical physics

Language(s) - English

Resource type - Journals

eISSN - 1347-4081

pISSN - 0033-068X

DOI - 10.1143/ptp.110.1

Subject(s) - physics , skyrmion , annihilation , bose–einstein condensate , excitation , antiferromagnetism , topological defect , topology (electrical circuits) , order (exchange) , quantum mechanics , condensed matter physics , theoretical physics , mathematics , finance , combinatorics , economics

Two kinds of topological excitations, skyrmions and monopoles, are studied.It is revealed that these two types of excitations originate from differentorder parameter fields that reflect different spatial distributions of the Neelvector. Critical phenomena of the generation and annihilation ofskyrmion-antiskyrmion pairs are also discussed.Comment: 9 page

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