Specific heat study of an s = 1/2 alternating heisenberg chain system : F5PNN in a magnetic field
Physical Review Letters Volume 94 Issue 3
Page 037203-1-037203-4
published_at 2005-01-28
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| File | |
| Title ( eng ) |
Specific heat study of an s = 1/2 alternating heisenberg chain system : F5PNN in a magnetic field
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| Creator |
Yoshida Yasuo
Tateiwa Naoyuki
Mito Masaki
Kawae Tatsuya
Takeda Kazuyoshi
Hosokoshi Yuko
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| Source Title |
Physical Review Letters
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| Volume | 94 |
| Issue | 3 |
| Start Page | 037203-1 |
| End Page | 037203-4 |
| Abstract |
We have measured the specific heat of an S = 1/2 antiferromagnetic alternating Heisenberg chain pentafulorophenyl nitronyl nitroxide in magnetic fields up to H > HC2. This compound has a field-induced magnetic ordered (FIMO) phase between HC1 and HC2. Characteristic behaviors are observed depending on the magnetic field up to above H C2 outside of the H-T boundary for the FIMO. The temperature and field dependence of the specific heat are qualitatively in good agreement with the theoretical calculation on an S = 1/2 two-leg ladder [Wang et al., Phys. Rev. Lett. 84, 5399 (2000)]. This agreement suggests that the observed behaviors are related with the low-energy excitation in the Tomonaga-Luttinger liquid.
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| Language |
eng
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| Resource Type | journal article |
| Publisher |
American Physical Society
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| Date of Issued | 2005-01-28 |
| Rights |
Copyright (c) 2005 The American Physical Society.
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| Publish Type | Version of Record |
| Access Rights | open access |
| Source Identifier |
[ISSN] 0031-9007
[DOI] 10.1103/PhysRevLett.94.037203
[NCID] AA00773679
[DOI] http://dx.doi.org/10.1103/PhysRevLett.94.037203
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