Search Results - "Voneshen, D"

z=2 Quantum Critical Dynamics in a Spin Ladder by Blosser, D, Bhartiya, V K, Voneshen, D J, Zheludev, A

“…By means of inelastic neutron scattering we investigate finite temperature dynamics in the quantum spin ladder compound (C_{5}H_{12}N)_{2}CuBr_{4} (BPCB) near…”
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Hopping Time Scales and the Phonon-Liquid Electron-Crystal Picture in Thermoelectric Copper Selenide by Voneshen, D J, Walker, H C, Refson, K, Goff, J P

“…The suppression of transverse phonons by liquidlike diffusion in superionic conductors has been proposed as a means to dramatically reduce thermal conductivity…”
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Unveiling phonons in a molecular qubit with four-dimensional inelastic neutron scattering and density functional theory by Garlatti, E., Tesi, L., Lunghi, A., Atzori, M., Voneshen, D. J., Santini, P., Sanvito, S., Guidi, T., Sessoli, R., Carretta, S.

“…Phonons are the main source of relaxation in molecular nanomagnets, and different mechanisms have been proposed in order to explain the wealth of experimental…”
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Topological magnon band structure of emergent Landau levels in a skyrmion lattice by Weber, T, Fobes, D M, Waizner, J, Steffens, P, Tucker, G S, Böhm, M, Beddrich, L, Franz, C, Gabold, H, Bewley, R, Voneshen, D, Skoulatos, M, Georgii, R, Ehlers, G, Bauer, A, Pfleiderer, C, Böni, P, Janoschek, M, Garst, M

“…The motion of a spin excitation across topologically nontrivial magnetic order exhibits a deflection that is analogous to the effect of the Lorentz force on an…”
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Spin fluctuations associated with the collapse of the pseudogap in a cuprate superconductor by Zhu, M., Voneshen, D. J., Raymond, S., Lipscombe, O. J., Tam, C. C., Hayden, S. M.

“…Theories of the origin of superconductivity in cuprates depend on an understanding of their normal state, which exhibits various competing orders. Transport…”
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Suppression of thermal conductivity by rattling modes in thermoelectric sodium cobaltate by Voneshen, D. J., Refson, K., Borissenko, E., Krisch, M., Bosak, A., Piovano, A., Cemal, E., Enderle, M., Gutmann, M. J., Hoesch, M., Roger, M., Gannon, L., Boothroyd, A. T., Uthayakumar, S., Porter, D. G., Goff, J. P.

“…Sodium cobaltate has latterly received attention due to its appealing thermoelectric properties. By combining inelastic X-ray and neutron scattering results…”
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Role of defects in determining the magnetic ground state of ytterbium titanate by Bowman, D. F., Cemal, E., Lehner, T., Wildes, A. R., Mangin-Thro, L., Nilsen, G. J., Gutmann, M. J., Voneshen, D. J., Prabhakaran, D., Boothroyd, A. T., Porter, D. G., Castelnovo, C., Refson, K., Goff, J. P.

“…Pyrochlore systems are ideally suited to the exploration of geometrical frustration in three dimensions, and their rich phenomenology encompasses topological…”
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Diffusion mechanism in the sodium-ion battery material sodium cobaltate by Willis, T. J., Porter, D. G., Voneshen, D. J., Uthayakumar, S., Demmel, F., Gutmann, M. J., Roger, M., Refson, K., Goff, J. P.

“…High performance batteries based on the movement of Li ions in Li x CoO 2 have made possible a revolution in mobile electronic technology, from laptops to…”
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Multiple Magnetic Bilayers and Unconventional Criticality without Frustration in BaCuSi2O6 by Allenspach, S, Biffin, A, Stuhr, U, Tucker, G S, Ohira-Kawamura, S, Kofu, M, Voneshen, D J, Boehm, M, Normand, B, Laflorencie, N, Mila, F, Rüegg, Ch

“…The dimerized quantum magnet BaCuSi2O6 was proposed as an example of "dimensional reduction" arising near the magnetic-field-induced quantum critical point…”
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Polarized primary spectrometer on the LET instrument at ISIS by Košata, J., Nilsen, G.J., Devonport, M., Bewley, R.I., Voneshen, D.J., Galsworthy, P.J., Raspino, D., Stewart, J.R.

“…The combination of neutron time-of-flight spectroscopy and longitudinal polarization analysis opens up the possibility of simultaneously separating…”
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Spin fluctuations associated with the collapse of the pseudogap in a cuprate superconductor by Zhu, M, Voneshen, D. J, Raymond, S, Lipscombe, O. J, Tam, C. C, Hayden, S. M

“…Nature Physics 19, 99 (2023) Theories of the origin of superconductivity in cuprates are dependent on an understanding of their normal state which exhibits…”
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Magnetic excitation spectrum and Hamiltonian of the quantum spin chain BaCuTe2O6 by Samartzis, A, Chillal, S, Jeschke, H. O, Voneshen, D. J, Lu, Z, Islam, A. T. M. N, Lake, B

“…Physical Review B 107, 184435 (2023) The magnetic excitation spectrum and Hamiltonian of the quantum magnet BaCuTe2O6 is studied by inelastic neutron…”
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Majorana fermions in the Kitaev quantum spin system α-RuCl3 by Do, Seung-Hwan, Park, Sang-Youn, Yoshitake, Junki, Nasu, Joji, Motome, Yukitoshi, Kwon, Yong Seung, Adroja, D. T., Voneshen, D. J., Kim, Kyoo, Jang, T.-H., Park, J.-H., Choi, Kwang-Yong, Ji, Sungdae

“…α-RuCl 3 has recently attracted great interest as a possible experimental realization of the Kitaev model. Neutron scattering measurements of a single crystal…”
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Brill, a Brillouin neutron spectrometer at ISIS by Voneshen, D.J., Stewart, J.R., Ewings, R.A.

“…Advances over the last decade in computer simulations have made it possible to routinely calculate the collective excitations from disordered materials. These…”
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Metastable antiphase boundary ordering in CaFe$_{2}$O$_{4} by Lane, H, Rodriguez, E. E, Walker, H. C, Niedermayer, Ch, Stuhr, U, Bewley, R. I, Voneshen, D. J, Green, M. A, Rodriguez-Rivera, J. A, Fouquet, P, Cheong, S. -W, Attfield, J. P, Ewings, R. A, Stock, C

“…Phys. Rev. B 104, 104404 (2021) CaFe$_{2}$O$_{4}$ is an $S=5/2$ antiferromagnet exhibiting two magnetic orders which shows regions of coexistence at some…”
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Magnetic-field dependence of low-energy magnons, anisotropic heat conduction, and spontaneous relaxation of magnetic domains in the cubic helimagnet ZnCr2Se4 by Inosov, D. S, Onykiienko, Y. O, Tymoshenko, Y. V, Akopyan, A, Shukla, D, Prasai, N, Doerr, M, Gorbunov, D, Zherlitsyn, S, Voneshen, D. J, Boehm, M, Tsurkan, V, Felea, V, Loidl, A, Cohn, J. L

“…Phys. Rev. B 102, 184431 (2020) Anisotropic low-temperature properties of the cubic spinel helimagnet ZnCr2Se4 in the single-domain spin-spiral state are…”
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Multiple Magnetic Bilayers and Unconventional Criticality without Frustration in Ba C u S i 2 O 6 by Allenspach, S., Biffin, A., Stuhr, U., Tucker, G. S., Ohira-Kawamura, S., Kofu, M., Voneshen, D. J., Boehm, M., Normand, B., Laflorencie, N., Mila, F., Rüegg, Ch

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Role of defects in determining the magnetic ground state of ytterbium titanate by Bowman, D. F, Cemal, E, Lehner, T, Wildes, A. R, Mangin-Thro, L, Nilsen, G. J, Gutmann, M. J, Voneshen, D. J, Prabhakaran, D, Boothroyd, A. T, Porter, D. G, Castelnovo, C, Refson, K, Goff, J. P

“…Nature Communications 10:637 (2019) Pyrochlore systems are ideally suited to the exploration of geometrical frustration in three dimensions, and their rich…”
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Majorana fermions in the Kitaev quantum spin system [alpha]-RuCl3 by Do, Seung-hwan, Park, Sang-youn, Yoshitake, Junki, Nasu, Joji, Motome, Yukitoshi, Kwon, Yong seung, Adroja, D T, Voneshen, D J, Kim, Kyoo, Jang, T-h, Park, J-h, Choi, Kwang-yong, Ji, Sungdae

“…Geometrical constraints to the electronic degrees of freedom within condensed-matter systems often give rise to topological quantum states of matter such as…”
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Multiple Magnetic Bilayers and Unconventional Criticality without Frustration in BaCuSi_{2}O_{6} by Allenspach, S, Biffin, A, Stuhr, U, Tucker, G S, Ohira-Kawamura, S, Kofu, M, Voneshen, D J, Boehm, M, Normand, B, Laflorencie, N, Mila, F, Rüegg, Ch

“…The dimerized quantum magnet BaCuSi_{2}O_{6} was proposed as an example of "dimensional reduction" arising near the magnetic-field-induced quantum critical…”
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