Spiral phases and two-particle bound states from a systematic low-energy effective theory for magnons, electrons, and holes in an antiferromagnet
We have constructed a systematic low-energy effective theory for hole- and electron-doped antiferromagnets, where holes reside in momentum space pockets centered at ( ± π / 2 a , ± π / 2 a ) and where electrons live in pockets centered at ( π / a , 0 ) or ( 0 , π / a ) . The effective theory is used...
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| Veröffentlicht in: | Physica. B, Condensed matter Condensed matter, 2008-04, Vol.403 (5), p.1447-1449 |
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| container_title | Physica. B, Condensed matter |
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| creator | Brügger, C. Hofmann, C.P. Kämpfer, F. Pepe, M. Wiese, U.-J. |
| description | We have constructed a systematic low-energy effective theory for hole- and electron-doped antiferromagnets, where holes reside in momentum space pockets centered at
(
±
π
/
2
a
,
±
π
/
2
a
)
and where electrons live in pockets centered at
(
π
/
a
,
0
)
or
(
0
,
π
/
a
)
. The effective theory is used to investigate the magnon-mediated binding between two holes or two electrons in an otherwise undoped system. We derive the one-magnon exchange potential from the effective theory and then solve the corresponding two-quasiparticle Schrödinger equation. As a result, we find bound state wave functions that resemble
d
x
2
-
y
2
-like or
d
xy
-like symmetry. We also study possible ground states of lightly doped antiferromagnets. |
| doi_str_mv | 10.1016/j.physb.2007.10.168 |
| format | Article |
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(
±
π
/
2
a
,
±
π
/
2
a
)
and where electrons live in pockets centered at
(
π
/
a
,
0
)
or
(
0
,
π
/
a
)
. The effective theory is used to investigate the magnon-mediated binding between two holes or two electrons in an otherwise undoped system. We derive the one-magnon exchange potential from the effective theory and then solve the corresponding two-quasiparticle Schrödinger equation. As a result, we find bound state wave functions that resemble
d
x
2
-
y
2
-like or
d
xy
-like symmetry. We also study possible ground states of lightly doped antiferromagnets.</description><identifier>ISSN: 0921-4526</identifier><identifier>EISSN: 1873-2135</identifier><identifier>DOI: 10.1016/j.physb.2007.10.168</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Antiferromagnets ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Effective field theory ; Exact sciences and technology ; Magnetic properties and materials ; Magnons ; Physics ; Spirals ; Studies of specific magnetic materials</subject><ispartof>Physica. B, Condensed matter, 2008-04, Vol.403 (5), p.1447-1449</ispartof><rights>2007 Elsevier B.V.</rights><rights>2008 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c409t-d97f11c454fd71570e01cd5b0080457c16dbc97028ce2f82c8c6fc008d6de543</citedby><cites>FETCH-LOGICAL-c409t-d97f11c454fd71570e01cd5b0080457c16dbc97028ce2f82c8c6fc008d6de543</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0921452607011829$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>309,310,314,776,780,785,786,3536,23910,23911,25119,27903,27904,65309</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20336979$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Brügger, C.</creatorcontrib><creatorcontrib>Hofmann, C.P.</creatorcontrib><creatorcontrib>Kämpfer, F.</creatorcontrib><creatorcontrib>Pepe, M.</creatorcontrib><creatorcontrib>Wiese, U.-J.</creatorcontrib><title>Spiral phases and two-particle bound states from a systematic low-energy effective theory for magnons, electrons, and holes in an antiferromagnet</title><title>Physica. B, Condensed matter</title><description>We have constructed a systematic low-energy effective theory for hole- and electron-doped antiferromagnets, where holes reside in momentum space pockets centered at
(
±
π
/
2
a
,
±
π
/
2
a
)
and where electrons live in pockets centered at
(
π
/
a
,
0
)
or
(
0
,
π
/
a
)
. The effective theory is used to investigate the magnon-mediated binding between two holes or two electrons in an otherwise undoped system. We derive the one-magnon exchange potential from the effective theory and then solve the corresponding two-quasiparticle Schrödinger equation. As a result, we find bound state wave functions that resemble
d
x
2
-
y
2
-like or
d
xy
-like symmetry. We also study possible ground states of lightly doped antiferromagnets.</description><subject>Antiferromagnets</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Effective field theory</subject><subject>Exact sciences and technology</subject><subject>Magnetic properties and materials</subject><subject>Magnons</subject><subject>Physics</subject><subject>Spirals</subject><subject>Studies of specific magnetic materials</subject><issn>0921-4526</issn><issn>1873-2135</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNp9kM1u3CAUhVHVSp2mfYJu2LSresKPDfaiiyrqnxQpi2aPGHzJMMLG5TKJ_Bh94zIzUZdFSMC53z1XHELec7bljKvrw3bZr7jbCsb09iSq_gXZ8F7LRnDZvSQbNgjetJ1Qr8kbxAOri2u-IX9-LSHbSJe9RUBq55GWp9QsNpfgItBdOlYJiy216nOaqKW4YoHJVoDG9NTADPlhpeA9uBIegZY9pLxSnzKd7MOcZvxEIdZiPl9PM_YpVr8w10fdJXjI1bvCUN6SV95GhHfP5xW5__b1_uZHc3v3_efNl9vGtWwozThoz7lru9aPmneaAeNu7HaM9azttONq3LlBM9E7EL4XrnfKu1od1QhdK6_Ix4vtktPvI2AxU0AHMdoZ0hGNFEpJ3csKygvockLM4M2Sw2Tzajgzp_TNwZzTN6f0z6Lqa9eHZ3uLzkaf7ewC_msVTEo16KFyny8c1K8-BsgGXYDZwRhyTcyMKfx3zl8H-p8t</recordid><startdate>20080401</startdate><enddate>20080401</enddate><creator>Brügger, C.</creator><creator>Hofmann, C.P.</creator><creator>Kämpfer, F.</creator><creator>Pepe, M.</creator><creator>Wiese, U.-J.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>20080401</creationdate><title>Spiral phases and two-particle bound states from a systematic low-energy effective theory for magnons, electrons, and holes in an antiferromagnet</title><author>Brügger, C. ; Hofmann, C.P. ; Kämpfer, F. ; Pepe, M. ; Wiese, U.-J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c409t-d97f11c454fd71570e01cd5b0080457c16dbc97028ce2f82c8c6fc008d6de543</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Antiferromagnets</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Effective field theory</topic><topic>Exact sciences and technology</topic><topic>Magnetic properties and materials</topic><topic>Magnons</topic><topic>Physics</topic><topic>Spirals</topic><topic>Studies of specific magnetic materials</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Brügger, C.</creatorcontrib><creatorcontrib>Hofmann, C.P.</creatorcontrib><creatorcontrib>Kämpfer, F.</creatorcontrib><creatorcontrib>Pepe, M.</creatorcontrib><creatorcontrib>Wiese, U.-J.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physica. B, Condensed matter</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Brügger, C.</au><au>Hofmann, C.P.</au><au>Kämpfer, F.</au><au>Pepe, M.</au><au>Wiese, U.-J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Spiral phases and two-particle bound states from a systematic low-energy effective theory for magnons, electrons, and holes in an antiferromagnet</atitle><jtitle>Physica. B, Condensed matter</jtitle><date>2008-04-01</date><risdate>2008</risdate><volume>403</volume><issue>5</issue><spage>1447</spage><epage>1449</epage><pages>1447-1449</pages><issn>0921-4526</issn><eissn>1873-2135</eissn><abstract>We have constructed a systematic low-energy effective theory for hole- and electron-doped antiferromagnets, where holes reside in momentum space pockets centered at
(
±
π
/
2
a
,
±
π
/
2
a
)
and where electrons live in pockets centered at
(
π
/
a
,
0
)
or
(
0
,
π
/
a
)
. The effective theory is used to investigate the magnon-mediated binding between two holes or two electrons in an otherwise undoped system. We derive the one-magnon exchange potential from the effective theory and then solve the corresponding two-quasiparticle Schrödinger equation. As a result, we find bound state wave functions that resemble
d
x
2
-
y
2
-like or
d
xy
-like symmetry. We also study possible ground states of lightly doped antiferromagnets.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.physb.2007.10.168</doi><tpages>3</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0921-4526 |
| ispartof | Physica. B, Condensed matter, 2008-04, Vol.403 (5), p.1447-1449 |
| issn | 0921-4526 1873-2135 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_32663783 |
| source | Elsevier ScienceDirect Journals |
| subjects | Antiferromagnets Condensed matter: electronic structure, electrical, magnetic, and optical properties Effective field theory Exact sciences and technology Magnetic properties and materials Magnons Physics Spirals Studies of specific magnetic materials |
| title | Spiral phases and two-particle bound states from a systematic low-energy effective theory for magnons, electrons, and holes in an antiferromagnet |
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