Zobrazeno 1 - 10
of 549
pro vyhledávání: '"A. Paduan-Filho"'
Autor:
Povarov, Kirill Yu., Graf, David E., Hauspurg, Andreas, Zherlitsyn, Sergei, Wosnitza, Joachim, Sakurai, Takahiro, Ohta, Hitoshi, Kimura, Shojiro, Nojiri, Hiroyuki, Garlea, V. Ovidiu, Zheludev, Andrey, Paduan-Filho, Armando, Nicklas, Michael, Zvyagin, Sergei A.
Publikováno v:
Nature Communications 15, 2295 (2024)
Strongly correlated spin systems can be driven to quantum critical points via various routes. In particular, gapped quantum antiferromagnets can undergo phase transitions into a magnetically ordered state with applied pressure or magnetic field, acti
Externí odkaz:
http://arxiv.org/abs/2306.15450
Autor:
Kirill Yu. Povarov, David E. Graf, Andreas Hauspurg, Sergei Zherlitsyn, Joachim Wosnitza, Takahiro Sakurai, Hitoshi Ohta, Shojiro Kimura, Hiroyuki Nojiri, V. Ovidiu Garlea, Andrey Zheludev, Armando Paduan-Filho, Michael Nicklas, Sergei A. Zvyagin
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-8 (2024)
Abstract Strongly correlated spin systems can be driven to quantum critical points via various routes. In particular, gapped quantum antiferromagnets can undergo phase transitions into a magnetically ordered state with applied pressure or magnetic fi
Externí odkaz:
https://doaj.org/article/892e8f6f55544b6bba79cafde2242f8d
Publikováno v:
Phys. Rev. B 101, 104410 (2020)
We studied electron spin resonance in a quantum magnet NiCl2-4SC(NH2)2, demonstrating a field-induced quantum phase transition from a quantum-disordered phase to an antiferromagnet. We observe two branches of the antiferromagnetic resonance of the or
Externí odkaz:
http://arxiv.org/abs/1912.00172
Autor:
Orlova, A., Mayaffre, H., Krämer, S., Dupont, M., Capponi, S., Laflorencie, N., Paduan-Filho, A., Horvatić, M.
Publikováno v:
Phys. Rev. Lett. 121, 177202 (2018)
The coupled spin-1 chains material NiCl$_2$-4SC(NH$_2$)$_2$ (DTN) doped with Br impurities is expected to be a perfect candidate for observing many-body localization at high magnetic field: the so-called "Bose glass", a zero-temperature bosonic fluid
Externí odkaz:
http://arxiv.org/abs/1801.01445
Publikováno v:
Physical Review B 95, 184426 (2017)
Specific heat and magnetization measurements of the compound [Cu2(apyhist)2Cl2](ClO4)2, where apyhist = (4-imidazolyl)ethylene-2-amino-1-ethylpyridine), were used to identify a magnetic-field-induced long-range antiferromagnetic ordered phase at low
Externí odkaz:
http://arxiv.org/abs/1705.08879
Akademický článek
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Akademický článek
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Autor:
Blinder, Rémi, Dupont, Maxime, Mukhopadhyay, Sutirtha, Grbić, Mihael S., Laflorencie, Nicolas, Capponi, Sylvain, Mayaffre, Hadrien, Berthier, Claude, Paduan-Filho, Armando, Horvatić, Mladen
Publikováno v:
Phys. Rev. B 95, 020404(R) (2017)
Nuclear magnetic resonance (NMR) study of the high magnetic field (H) part of the Bose-Einstein condensed (BEC) phase of the quasi-onedimensional (quasi-1D) antiferromagnetic quantum spin-chain compound NiCl2-4SC(NH2)2 (DTN) was performed. We precise
Externí odkaz:
http://arxiv.org/abs/1610.03312
Autor:
Orlova, Anna, Blinder, Rémi, Kermarrec, Edwin, Dupont, Maxime, Laflorencie, Nicolas, Capponi, Sylvain, Mayaffre, Hadrien, Berthier, Claude, Paduan-Filho, Armando, Horvatić, Mladen
Publikováno v:
Phys. Rev. Lett. 118, 067203 (2017)
By measuring the nuclear magnetic resonance (NMR) 1/T_1 relaxation rate in the Br (bond) doped DTN compound, Ni(Cl(1-x)Br_x)2-4SC(NH2)2 (DTNX), we show that the low-energy spin dynamics of its high magnetic field "Bose-glass" regime is dominated by a
Externí odkaz:
http://arxiv.org/abs/1607.02360
From experimental and theoretical analyses of magnetic and specific-heat properties, we present the complete magnetic phase diagram of the quasi-one-dimensional antiferromagnet Cu(N$_2$H$_5$)$_2$(SO$_4$)$_2$. On cooling and at zero magnetic field thi
Externí odkaz:
http://arxiv.org/abs/1607.01846