Zobrazeno 1 - 10
of 867
pro vyhledávání: '"Kramer, S. P."'
Akademický článek
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Autor:
Yoshida, M., Nawa, K., Ishikawa, H., Takigawa, M., Jeong, M., Kramer, S., Horvatic, M., Berthier, C., Matsui, K., Goto, T., Kimura, S., Sasaki, T., Yamaura, J., Yoshida, H., Okamoto, Y., Hiroi, Z.
Publikováno v:
Phys. Rev. B 96, 180413 (2017)
We report single-crystal 51V NMR studies on volborthite Cu3V2O7(OH)2 2H2O, which is regarded as a quasi-two-dimensional frustrated magnet with competing ferromagnetic and antiferromagnetic interactions. In the 1/3 magnetization plateau above 28 T, th
Externí odkaz:
http://arxiv.org/abs/1602.04028
Autor:
Grissonnanche, G., Laliberte, F., Dufour-Beausejour, S., Riopel, A., Badoux, S., Caouette-Mansour, M., Matusiak, M., Juneau-Fecteau, A., Bourgeois-Hope, P., Cyr-Choiniere, O., Baglo, J. C., Ramshaw, B. J., Liang, R., Bonn, D. A., Hardy, W. N., Kramer, S., LeBoeuf, D., Graf, D., Doiron-Leyraud, N., Taillefer, Louis
Quantum oscillations and negative Hall and Seebeck coefficients at low temperature and high magnetic field have shown the Fermi surface of underdoped cuprates to contain a small closed electron pocket. It is thought to result from a reconstruction by
Externí odkaz:
http://arxiv.org/abs/1508.05486
Autor:
Grissonnanche, G., Laliberte, F., Dufour-Beausejour, S., Matusiak, M., Badoux, S., Tafti, F. F., Michon, B., Riopel, A., Cyr-Choiniere, O., Baglo, J. C., Ramshaw, B. J., Liang, R., Bonn, D. A., Hardy, W. N., Kramer, S., LeBoeuf, D., Graf, D., Doiron-Leyraud, N., Taillefer, L.
Publikováno v:
Phys. Rev. B 93, 064513 (2016)
The recent detection of charge-density modulations in YBa2Cu3Oy and other cuprate superconductors raises new questions about the normal state of underdoped cuprates. In one class of theories, the modulations are intertwined with pairing in a dual sta
Externí odkaz:
http://arxiv.org/abs/1503.07572
Autor:
Billinghurst, B. E., Bergstrom, J. C., Baribeau, C., Batten, T., Dallin, L., May, T. E., Vogt, J. M., Wurtz, W. A., Warnock, R., Bizzozero, D. A., Kramer, S.
We report on high resolution measurements of resonances in the spectrum of coherent synchrotron radiation (CSR) at the Canadian Light Source (CLS). The resonances permeate the spectrum at wavenumber intervals of $0.074 ~\textrm{cm}^{-1}$, and are hig
Externí odkaz:
http://arxiv.org/abs/1502.04150
Akademický článek
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Giant magnetic-field dependence of the coupling between spin Tomonaga-Luttinger liquids in BaCo2V2O8
Autor:
Klanjsek, M., Horvatic, M., Kramer, S., Mukhopadhyay, S., Mayaffre, H., Berthier, C., Canevet, E., Grenier, B., Lejay, P., Orignac, E.
Publikováno v:
Phys. Rev. B 92, 060408(R) (2015)
We use nuclear magnetic resonance to map the complete low-temperature phase diagram of the antiferromagnetic Ising-like spin-chain system BaCo2V2O8 as a function of the magnetic field applied along the chains. In contrast to the predicted crossover f
Externí odkaz:
http://arxiv.org/abs/1412.2411
Autor:
Mayaffre, H., Kramer, S., Horvatić, M., Berthier, C., Miyagawa, K., Kanoda, K., Mitrović, V. F.
Superconductivity is a quantum phenomena arising, in its simplest form, from pairing of fermions with opposite spin into a state with zero net momentum. Whether superconductivity can occur in fermionic systems with unequal number of two species disti
Externí odkaz:
http://arxiv.org/abs/1409.0786
Autor:
Wu, T., Mayaffre, H., Kramer, S., Horvatic, M., Berthier, C., Kuhns, P. L., Reyes, A. P., Liang, R., Hardy, W. N., Bonn, D. A., Julien, M. -H.
Publikováno v:
Nature Communications 4, 2113 (2013)
Evidence is mounting that charge order competes with superconductivity in high Tc cuprates. Whether this has any relationship to the pairing mechanism is unknown since neither the universality of the competition nor its microscopic nature has been es
Externí odkaz:
http://arxiv.org/abs/1307.2049
Autor:
Grissonnanche, G., Cyr-Choiniere, O., Laliberte, F., de Cotret, S. Rene, Juneau-Fecteau, A., Dufour-Beausejour, S., Delage, M. -E., LeBoeuf, D., Chang, J., Ramshaw, B. J., Bonn, D. A., Hardy, W. N., Liang, R., Adachi, S., Hussey, N. E., Vignolle, B., Proust, C., Sutherland, M., Kramer, S., Park, J. -H., Graf, D., Doiron-Leyraud, N., Taillefer, Louis
Publikováno v:
Nature Communications 5, 3280 (2014)
The upper critical field Hc2 is a fundamental measure of the pairing strength, yet there is no agreement on its magnitude and doping dependence in cuprate superconductors. We have used thermal conductivity as a direct probe of Hc2 in the cuprates YBa
Externí odkaz:
http://arxiv.org/abs/1303.3856