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Direct three-dimensional ordering of quasi-one-dimensional quantum dimer system near critical fields

Taku Matsushita, Nobuyoshi Hori, Seiya Takata, Nobuo Wada, Naoki Amaya, and Yuko Hosokoshi
Phys. Rev. B 95, 020408(R) – Published 12 January 2017

Abstract

Dimensionalities of XXZ spin orderings or degenerate hard-core bosons in a quasi-one-dimensional (1D) dimer system are examined by the ac susceptibility and specific heat of antiferromagnetic bond-alternating chains in pentafluorophenyl nitronyl nitroxide (F5PNN). At intermediate fields in the gapless region, the 1D short-range order (SRO) corresponding to the Tomonaga-Luttinger liquid and three-dimensional (3D) long-range order (LRO BEC) at lower temperatures are separately observed, as expected from the small interchain interaction. In contrast, a definite region around the critical field was established where 3D LRO occurs without the development of 1D SRO at higher temperatures.

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  • Received 10 March 2016

DOI:https://doi.org/10.1103/PhysRevB.95.020408

©2017 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

Taku Matsushita1,*, Nobuyoshi Hori1, Seiya Takata1, Nobuo Wada1, Naoki Amaya2, and Yuko Hosokoshi2

  • 1Department of Physics, Nagoya University, Chikusa-ku, Nagoya 464-8602, Japan
  • 2Department of Physical Science, Osaka Prefecture University, Naka-ku, Sakai 599-8531, Japan

  • *matsushita@cc.nagoya-u.ac.jp

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Issue

Vol. 95, Iss. 2 — 1 January 2017

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