Search Results - "Bramwell, S"

Measurement of the charge and current of magnetic monopoles in spin ice by Bramwell, S. T, Giblin, S. R, Calder, S, Aldus, R, Prabhakaran, D, Fennell, T

“…The transport of electrically charged quasiparticles (based on electrons or ions) plays a pivotal role in modern technology as well as in determining the…”
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Magnetic Coulomb Phase in the Spin Ice Ho2Ti2O7 by FENNEH, T, DEEN, P. P, WUDES, A. R, SCHMALZL, K, PRABHAKARAN, D, BOOTHROYD, A. T, ALDUS, R. J, MCMORROW, D. F, BRAMWELL, S. T

“…Spin-ice materials are magnetic substances in which the spin directions map onto hydrogen positions in water ice. Their low-temperature magnetic state has been…”
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Experimental signature of the attractive Coulomb force between positive and negative magnetic monopoles in spin ice by Paulsen, C., Giblin, S. R., Lhotel, E., Prabhakaran, D., Balakrishnan, G., Matsuhira, K., Bramwell, S. T.

“…A magnetic analogue of the Poole–Frenkel effect shows that magnetic monopole quasiparticles in a spin ice behave similar to electrons in a semiconductor, with…”
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Creation and measurement of long-lived magnetic monopole currents in spin ice by Terry, I, Giblin, S. R, Bramwell, S. T, Prabhakaran, D, Holdsworth, P. C. W

“…The recent discovery of ‘magnetricity’ in spin ice raises the question of whether long-lived currents of magnetic ‘monopoles’ can be created and manipulated by…”
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Nuclear spin assisted quantum tunnelling of magnetic monopoles in spin ice by Paulsen, C., Giblin, S. R., Lhotel, E., Prabhakaran, D., Matsuhira, K., Balakrishnan, G., Bramwell, S. T.

“…Extensive work on single molecule magnets has identified a fundamental mode of relaxation arising from the nuclear-spin assisted quantum tunnelling of nearly…”
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ac Wien Effect in Spin Ice, Manifest in Nonlinear, Nonequilibrium Susceptibility by Kaiser, V, Bramwell, S T, Holdsworth, P C W, Moessner, R

“…The Wien effect is a model process for field-induced charge creation. Here it is derived for a nonelectrical system: the spin ice "magnetolyte"-a unique system…”
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Onsager’s Wien effect on a lattice by Kaiser, V., Bramwell, S. T., Holdsworth, P. C. W., Moessner, R.

“…The nonlinear response of a weak electrolyte to an applied electric field is known as the Wien effect. This is now simulated on a lattice Coulomb gas,…”
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Phase transitions in few-monolayer spin ice films by Bovo, L., Rouleau, C. M., Prabhakaran, D., Bramwell, S. T.

“…Vertex models are an important class of statistical mechanical system that admit exact solutions and exotic physics. Applications include water ice, ferro- and…”
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Special temperatures in frustrated ferromagnets by Bovo, L., Twengström, M., Petrenko, O. A., Fennell, T., Gingras, M. J. P., Bramwell, S. T., Henelius, P.

“…The description and detection of unconventional magnetic states, such as spin liquids, is a recurring topic in condensed matter physics. While much of the…”
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Far-from-equilibrium monopole dynamics in spin ice by Paulsen, C., Jackson, M. J., Lhotel, E., Canals, B., Prabhakaran, D., Matsuhira, K., Giblin, S. R., Bramwell, S. T.

“…Magnetic monopoles can exist in frustrated magnetic systems known as spin ices. The study of these exotic objects is challenging, but a technique that uses the…”
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Pinch points and Kasteleyn transitions in kagome ice by Fennell, T, Bramwell, S. T, McMorrow, D. F, Manuel, P, Wildes, A. R

“…Complex disordered states--from liquids and glasses to exotic quantum matter--are ubiquitous in nature. Their key properties include finite entropy, power-law…”
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Spin Ice State in Frustrated Magnetic Pyrochlore Materials by Bramwell, Steven T., Michel J. P. Gingras

“…A frustrated system is one whose symmetry precludes the possibility that every pairwise interaction ("bond") in the system can be satisfied at the same time…”
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Pauling Entropy, Metastability, and Equilibrium in Dy2Ti2O7 Spin Ice by Giblin, S R, Twengström, M, Bovo, L, Ruminy, M, Bartkowiak, M, Manuel, P, Andresen, J C, Prabhakaran, D, Balakrishnan, G, Pomjakushina, E, Paulsen, C, Lhotel, E, Keller, L, Frontzek, M, Capelli, S C, Zaharko, O, McClarty, P A, Bramwell, S T, Henelius, P, Fennell, T

“…Determining the fate of the Pauling entropy in the classical spin ice material Dy2Ti2O7 with respect to the third law of thermodynamics has become an important…”
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Multiple Coulomb phase in the fluoride pyrochlore CsNiCrF6 by Fennell, T., Harris, M. J., Calder, S., Ruminy, M., Boehm, M., Steffens, P., Lemée-Cailleau, M.-H., Zaharko, O., Cervellino, A., Bramwell, S. T.

“…The Coulomb phase is an idealized state of matter whose properties are determined by factors beyond conventional considerations of symmetry, including global…”
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Brownian motion and quantum dynamics of magnetic monopoles in spin ice by Bovo, L., Bloxsom, J.A., Prabhakaran, D., Aeppli, G., Bramwell, S.T.

“…Spin ice illustrates many unusual magnetic properties, including zero point entropy, emergent monopoles and a quasi liquid–gas transition. To reveal the…”
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Topological-Sector Fluctuations and Curie-Law Crossover in Spin Ice by Jaubert, L. D. C., Harris, M. J., Fennell, T., Melko, R. G., Bramwell, S. T., Holdsworth, P. C. W.

“…At low temperatures, a spin ice enters a Coulomb phase—a state with algebraic correlations and topologically constrained spin configurations. We show how…”
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Restoration of the third law in spin ice thin films by Bovo, L., Moya, X., Prabhakaran, D., Soh, Yeong-Ah, Boothroyd, A.T., Mathur, N.D., Aeppli, G., Bramwell, S.T.

“…A characteristic feature of spin ice is its apparent violation of the third law of thermodynamics. This leads to a number of interesting properties including…”
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Pressure-induced crystallization of a spin liquid by Mirebeau, I, Goncharenko, I. N, Cadavez-Peres, P, Bramwell, S. T, Gingras, M. J. P, Gardner, J. S

“…Liquids are expected to crystallize at low temperature. The only exception is helium, which can remain liquid at 0 K, owing to quantum fluctuations. Similarly,…”
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Universality of rare fluctuations in turbulence and critical phenomena by Holdsworth, P. C. W, Bramwell, S. T, Pinton, J.-F

“…A statistical treatment of three-dimensional turbulent flow continues to pose a challenge to theorists,. One suggestion invokes an analogy with equilibrium…”
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The monosodium iodoacetate model of osteoarthritis: a model of chronic nociceptive pain in rats? by Combe, Rachel, Bramwell, Steve, Field, Mark J.

“…Osteoarthritis (OA) is a widespread condition affecting the elderly population. One of the most prominent features but least studied symptoms is chronic pain…”
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