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  Entropy Landscape of Phase Formation Associated with Quantum Criticality in Sr3Ru2O7

Rost, A. W., Perry, R. S., Mercure, J.-.-F., Mackenzie, A. P., & Grigera, S. A. (2009). Entropy Landscape of Phase Formation Associated with Quantum Criticality in Sr3Ru2O7. Science, 325(5946), 1360-1363. doi:10.1126/science.1176627.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0018-F240-1 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0018-F243-C
Genre: Journal Article

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 Creators:
Rost, A. W.1, Author
Perry, R. S.1, Author
Mercure, J. -F.1, Author
Mackenzie, A. P.2, Author              
Grigera, S. A.1, Author
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1external, ou_persistent22              
2External Organizations, ou_persistent22              

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 Abstract: Low-temperature phase transitions and the associated quantum critical points are a major field of research, but one in which experimental information about thermodynamics is sparse. Thermodynamic information is vital for the understanding of quantum many-body problems. We show that combining measurements of the magnetocaloric effect and specific heat allows a comprehensive study of the entropy of a system. We present a quantitative measurement of the entropic landscape of Sr3Ru2O7, a quantum critical system in which magnetic field is used as a tuning parameter. This allows us to track the development of the entropy as the quantum critical point is approached and to study the thermodynamic consequences of the formation of a novel electronic liquid crystalline phase in its vicinity.

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 Dates: 2009-09-11
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: ISI: 000269699100029
DOI: 10.1126/science.1176627
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Title: Science
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Association for the Advancement of Science
Pages: - Volume / Issue: 325 (5946) Sequence Number: - Start / End Page: 1360 - 1363 Identifier: ISSN: 0036-8075
CoNE: /journals/resource/991042748276600_1