Consequences of lattice imperfections and interchain couplings for the critical properties of spin-$1/2$ chain compounds
To allow for a comparison of theoretical predictions for spin chains with experimental data, it is often important to take impurity effects as well as interchain couplings into account. Here we present the field theory for finite spin chains at finite temperature and calculate experimentally measu...
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| Дата: | 2009 |
|---|---|
| Автор: | |
| Формат: | Стаття |
| Мова: | English |
| Опубліковано: |
Інститут фізики конденсованих систем НАН України
2009
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| Назва видання: | Condensed Matter Physics |
| Онлайн доступ: | http://dspace.nbuv.gov.ua/handle/123456789/120021 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Цитувати: | Consequences of lattice imperfections and interchain couplings for the critical properties of spin-$1/2$ chain compounds / J. Sirker // Condensed Matter Physics. — 2009. — Т. 12, № 3. — С. 449-462. — Бібліогр.: 40 назв. — англ. |
Репозитарії
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irk-123456789-1200212017-06-11T03:04:16Z Consequences of lattice imperfections and interchain couplings for the critical properties of spin-$1/2$ chain compounds Sirker, J. To allow for a comparison of theoretical predictions for spin chains with experimental data, it is often important to take impurity effects as well as interchain couplings into account. Here we present the field theory for finite spin chains at finite temperature and calculate experimentally measurable quantities like susceptibilities and nuclear magnetic resonance spectra. For the interchain couplings we concentrate on geometries relevant for cuprate spin chains like Sr₂CuO₃ and SrCuO₂. The field theoretical results are compared to experimental as well as numerical data obtained by the density matrix renormalization group. Щоб мати можливiсть порiвняти теоретичнi передбачення для спiнових ланцюжкiв з експериментальними даними, часто важливо взяти до уваги ефекти домiшок, так само, як мiжланцюжковi взаємодiї. Тут ми представляємо теорiю поля для скiнчених спiнових ланцюжкiв при скiнченiй температурi i обчислюємо експериментально вимiрюванi величини як сприйнятливостi i спектри ядерного магнiтного резонансу. Для мiжланцюжкових взаємодiй ми зосереджуємося на геометрiях, iстотних для купратних спiнових ланцюжкiв як от Sr₂CuO₃ і SrCuO₂. Теоретико-польовi результати порiвнюються з експериментальними i чисельними даними, отриманими з використанням ренормалiзацiйної групи для матрицi густини. 2009 Article Consequences of lattice imperfections and interchain couplings for the critical properties of spin-$1/2$ chain compounds / J. Sirker // Condensed Matter Physics. — 2009. — Т. 12, № 3. — С. 449-462. — Бібліогр.: 40 назв. — англ. 1607-324X PACS: 75.10.Pq, 75.10.Jm, 11.10.Wx, 02.30.Ik DOI:10.5488/CMP.12.3.449 http://dspace.nbuv.gov.ua/handle/123456789/120021 en Condensed Matter Physics Інститут фізики конденсованих систем НАН України |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| language |
English |
| description |
To allow for a comparison of theoretical predictions for spin chains with experimental data, it is often important
to take impurity effects as well as interchain couplings into account. Here we present the field theory for finite
spin chains at finite temperature and calculate experimentally measurable quantities like susceptibilities and
nuclear magnetic resonance spectra. For the interchain couplings we concentrate on geometries relevant for
cuprate spin chains like Sr₂CuO₃ and SrCuO₂. The field theoretical results are compared to experimental as
well as numerical data obtained by the density matrix renormalization group. |
| format |
Article |
| author |
Sirker, J. |
| spellingShingle |
Sirker, J. Consequences of lattice imperfections and interchain couplings for the critical properties of spin-$1/2$ chain compounds Condensed Matter Physics |
| author_facet |
Sirker, J. |
| author_sort |
Sirker, J. |
| title |
Consequences of lattice imperfections and interchain couplings for the critical properties of spin-$1/2$ chain compounds |
| title_short |
Consequences of lattice imperfections and interchain couplings for the critical properties of spin-$1/2$ chain compounds |
| title_full |
Consequences of lattice imperfections and interchain couplings for the critical properties of spin-$1/2$ chain compounds |
| title_fullStr |
Consequences of lattice imperfections and interchain couplings for the critical properties of spin-$1/2$ chain compounds |
| title_full_unstemmed |
Consequences of lattice imperfections and interchain couplings for the critical properties of spin-$1/2$ chain compounds |
| title_sort |
consequences of lattice imperfections and interchain couplings for the critical properties of spin-$1/2$ chain compounds |
| publisher |
Інститут фізики конденсованих систем НАН України |
| publishDate |
2009 |
| url |
http://dspace.nbuv.gov.ua/handle/123456789/120021 |
| citation_txt |
Consequences of lattice imperfections and interchain couplings for the critical properties of spin-$1/2$ chain compounds / J. Sirker // Condensed Matter Physics. — 2009. — Т. 12, № 3. — С. 449-462. — Бібліогр.: 40 назв. — англ. |
| series |
Condensed Matter Physics |
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1796150622358077440 |