Search Results:　 1-20 of 292

1

A Study of Ni-Substitution Effects on Heavy-Fermion CeCu2Si2 ---Similarities between Ni Substitution and High-Pressure Effects---

Ikeda Yoichi , Araki Shingo , Kobayashi Tatsuo C. , Shimizu Yusei , Yanagisawa Tatsuya , Amitsuka Hiroshi

… The specific heat measurement has revealed that the enhanced quantum fluctuations around an antiferromagnetic quantum critical point are markedly suppressed by Ni substitution, and that the Fermi liquid state recovers in the Ni-rich region (x \gtrsim 0.12). …

J Phys Soc Jpn 81(8), 083701-083701-4, 2012-08-15

The Physical Society of Japan
2

Do heavy electrons exist in magnetically ordered state? : Optical observation of the electronic structure in the vicinity of quantum critical point [in Japanese]

木村真一

固体物理 47(8), 365-373, 2012-08-00
3

Absence of Quantum Criticality and Presence of Superconducting Fluctuation in Pressure-Induced Heavy-Fermion Superconductor CeRhSi

SUGAWARA Tetsuya , IIDA Hiroki , AOKI Haruyoshi 他

Journal of the Physical Society of Japan 81(5), 054711-1-6, 2012-05-00
4

Gradual suppression of antiferromagnetism in BaFe_{2}(As_{1－x}P_{x})_{2}: Zero-temperature evidence for a quantum critical point

Iye Tetsuya , Nakai Yusuke , Kitagawa Shunsaku , Ishida Kenji , Kasahara Shigeru , Shibauchi Takasada , Matsuda Yuji , Terashima Takahito

… The averaged internal magnetic field at the P site in the zero-temperature limit evaluated from the broadening of NMR spectra in the antiferromagnetic (AFM) phase is gradually suppressed toward x∼0.35 with increasing x, which provides definitive evidence for the existence of an AFM quantum critical point (QCP) at x∼0.35. …

Physical Review B 85(18), 2012-05-00

IR CrossRef
5

Existence of Heavy Fermions in the Antiferromagnetic Phase of CeIn3

Iizuka Takuya , Mizuno Takafumi , Min Byeong Hun , Kwon Yong Seung , Kimura Shin-ichi

We report the pressure-dependent optical conductivity spectra of the heavy-fermion (HF) compound CeIn3 below the Néel temperature of 10 K to investigate the existence of the HF state in the antif …

J Phys Soc Jpn 81(4), 043703-043703-4, 2012-04-15

The Physical Society of Japan
6

Structural Quantum Criticality and Superconductivity in Iron-Based Superconductor Ba(Fe1-xCox)2As2

Yoshizawa Masahito , Kimura Daichi , Chiba Taiji , Simayi Shalamujiang , Nakanishi Yoshiki , Kihou Kunihiro , Lee Chul-Ho , Iyo Akira , Eisaki Hiroshi , Nakajima Masamichi , Uchida Shin-ichi

… The results are similar to those of unconventional superconductors, where the properties of the system are governed by quantum fluctuations associated with the zero-temperature critical point of long-range order, namely, the quantum critical point (QCP). …

J Phys Soc Jpn 81(2), 024604-024604-6, 2012-02-15

The Physical Society of Japan
7

Progress in Heavy-Fermion Superconductivity: Ce115 and Related Materials

Thompson Joe D. , Fisk Zachary

… Ce115 and related Ce compounds are particularly suited to detailed studies of the interplay of antiferromagnetic order, unconventional superconductivity and quantum criticality due to their availability as high quality single crystals and their tunability by chemistry, pressure and magnetic field. … Very low temperature experiments in pure and lightly doped CeCoIn5 have elaborated the FFLO-like magnetic state near the field-induced quantum-critical point. …

J Phys Soc Jpn 81(1), 011002-011002-11, 2012-01-15

The Physical Society of Japan
8

Superconductivity and Quantum Criticality in Fe1+δSexTe1-x [in Japanese]

MICHIOKA Chishiro , YOSHIMURA Kazuyoshi

… From a systematic investigation of the nuclear spin - lattice relaxation rate in Fe1+δSexTe1-x, it was found that the antiferromagnetic quantum critical point lies at x ∼0.03. …

Journal of the Society of Materials Science, Japan 61(5), 402-406, 2012

J-STAGE CrossRef
9

Field-Induced Antiferromagnetic State in Non-centrosymmetric Superconductor CeIrSi3

Settai Rikio , Katayama Keisuke , Aoki Dai , Sheikin Ilya , Knebel Georg , Flouquet Jacques , Ōnuki Yoshichika

… The upper critical field H_{\text{c2}} for H\parallel [001] is also extremely enhanced around 2.5--2.7 GPa, and the H_{\text{c2}}(0) value reaches about 45 T at P_{\text{c}}^{\ast}\simeq 2.63 GPa, even though the superconducting transition temperature T_{\text{sc}}=1.6 K is very small. …

J Phys Soc Jpn 80(9), 094703-094703-9, 2011-09-15

The Physical Society of Japan
10

23pGC-9 Physical properties of YbRh_2Zn_<20> near quantum critical point [in Japanese]

Honda F. , Taga Y. , Yasui S. , Yoshiuchi S. , Hirose Y. , Ohya M. , Sakaguchi J. , Takeuchi T. , Settai R. , Onuki Y.

Meeting abstracts of the Physical Society of Japan 66(2-3), 611, 2011-08-24

CiNii Fulltext PDF - Subscription
11

21pGM-2 Heat release from nuclear spins near the quantum critical point of IPA-CuCl_3 [in Japanese]

Kim Y. H. , Tsujii H. , Oosawa A. , Goto T. , Takano Y.

Meeting abstracts of the Physical Society of Japan 66(2-3), 407, 2011-08-24

CiNii Fulltext PDF - Subscription
12

Evolution toward Quantum Critical End Point in UGe2

Kotegawa Hisashi , Taufour Valentin , Aoki Dai , Knebel Georg , Flouquet Jacques

… The Hall resistivity sensitively detects the first order metamagnetic transition from a paramagnetic (PM) phase to a FM phase in a large pressure range almost up to the quantum critical end point (QCEP). …

J Phys Soc Jpn 80(8), 083703-083703-4, 2011-08-15

The Physical Society of Japan
13

Partial Disorder in the Periodic Anderson Model on a Triangular Lattice

Hayami Satoru , Udagawa Masafumi , Motome Yukitoshi

We report our theoretical results on the emergence of a partially disordered state at zero temperature and its detailed nature in the periodic Anderson model on a triangular lattice at half-filling. T …

J Phys Soc Jpn 80(7), 073704-073704-4, 2011-07-15

The Physical Society of Japan
14

QUANTUM MECHANICAL EVOLUTION OF FATTY ACIDS WORLD LIFE

Tamulis Arvydas , Grigalavicius Mantas

… Quantum mechanical density functional theory nonlocal gradient electron correlation interactions methods are used for investigations of various self-assembled photoactive fatty acid micelles. … The quantum mechanical based electron correlation interactions are the source of the weak hydrogen and Van der Waals chemical bonds that are critical to the behavior of these systems. …

Viva origino 38(1-4), 4-17, 2011-06-01

CiNii Fulltext PDF - Open Access References (28)
15

Development of Accurate and Precision Measurement Techniques for Research in Basic Solid State Physics under High Pressure at Low Temperatures [in Japanese]

MORI Nobuo

… Due to the lack of appropriate instrumentation, the amount of accurate and precision data is limited on basic physical properties connected with quantum effects and low-energy excitations in the fields of combined high pressure and low temperature. …

The Review of High Pressure Science and Technology 21(2), 127-136, 2011-05-20

J-STAGE CrossRef References (51)
16

Interplay between quantum criticality and geometric frustration in Fe

Waki T. , Terazawa S. , Yamazaki T. , Tabata Y. , Sato K. , Kondo A. , Kindo K. , Yokoyama M. , Takahashi Y. , Nakamura H.

… We propose that the frustrated antiferromagnetic correlation suppresses the ferromagnetic correlation to its marginal point and is therefore responsible for the origin of the ferromagnetic quantum critical behaviour in pure Fe3Mo3N. …

EPL (Europhysics Letters) 94(3), 2011-05-03

IR CrossRef
17

Study of Kosterlitz--Thouless Transition of Bose Systems Governed by a Random Potential Using Quantum Monte Carlo Simulations

Kuroyanagi Hiroki , Tsukamoto Mitsuaki , Tsubota Makoto

… We perform quantum Monte Carlo simulations to study the 2D hard-core Bose--Hubbard model in a random potential. … Our motivation is to investigate the effects of randomness on the Kosterlitz--Thouless (KT) transition and its quantum critical phenomenon. …

J Phys Soc Jpn 80(3), 034603-034603-6, 2011-03-15

The Physical Society of Japan
18

25pEC-10 Physical properties of YbIr_2Zn_<20> and YbCo_2Zn_<20> near quantum critical point [in Japanese]

Honda F. , Yasui S. , Yoshiuchi S. , Ohya M. , Sakaguchi J. , Takeuchi T. , Settai R. , Onuki Y.

Meeting abstracts of the Physical Society of Japan 66(1-3), 551, 2011-03-03

CiNii Fulltext PDF - Open Access
19

25aEC-9 Quantum Critical End Point in UGe_2 : Hall Effect under Pressure [in Japanese]

Kotegawa H. , Taufour V. , Aoki D. , Knebel G. , Flouquet J.

Meeting abstracts of the Physical Society of Japan 66(1-3), 519, 2011-03-03

CiNii Fulltext PDF - Open Access
20

26aHF-6 Heat release from nuclear spins in antiferromagnets near a quantum critical point [in Japanese]

Takano Y. , Kim Y. H. , Kaur N. , Atkins B. M. , Dalal N. S. , Tsujii H. , Kanada T. , Saito S. , Oosawa A. , Goto T.

Meeting abstracts of the Physical Society of Japan 66(1-3), 483, 2011-03-03

CiNii Fulltext PDF - Open Access

Search Results:　 1-20 of 292

Related Authors

Related Journals

Search Results: 1-20 of 292

Related Authors

Related Journals

Search Results:　 1-20 of 292