Outputs (206)

Black holes, entanglement and random matrices (2014)
Journal Article
Balasubramanian, V., Berkooz, M., Ross, S. F., & Simón, J. (2014). Black holes, entanglement and random matrices. Classical and Quantum Gravity, 31(18), https://doi.org/10.1088/0264-9381/31/18/185009

We provide evidence that strong quantum entanglement between Hilbert spaces does not generically create semiclassical wormholes between the corresponding geometric regions in the context of the AdS/CFT correspondence. We propose a description of low-... Read More about Black holes, entanglement and random matrices.

Coiffured black rings (2014)
Journal Article
Bena, I., Ross, S. F., & Warner, N. P. (2014). Coiffured black rings. Classical and Quantum Gravity, 31(16), https://doi.org/10.1088/0264-9381/31/16/165015

We describe a new type of hair on supersymmetric black string and black ring solutions, which produces the largest known violation of black hole uniqueness, parameterized by an arbitrary function and hence an infinite number of continuous parameters.... Read More about Coiffured black rings.

Using Storm for scaleable sequential statistical inference. (2014)
Presentation / Conference Contribution
Wilson, S., Mai, T., Cogan, P., Bhattacharya, A., Robles-Sánchez, O., Aslett, L., Ó Ríordáin, S., & Roetzer, G. (2014, December). Using Storm for scaleable sequential statistical inference. Presented at 21st International Conference on Computational Statistics (COMPSTAT 2014), Geneva, Switzerland

This article describes Storm, an environment for doing streaming data analysis. Two examples of sequential data analysis — computation of a running summary statistic and sequential updating of a posterior distribution — are implemented and their perf... Read More about Using Storm for scaleable sequential statistical inference..

Social tipping points and Earth systems dynamics (2014)
Journal Article
Bentley, R. A., Maddison, E. J., Ranner, P. H., Bissell, J. J., Caiado, C. C. C. S., Bhatanacharoen, P., Clark, T., Botha, M., Akinbami, F., Hollow, M., Michie, R., Huntley, B., Curtis, S., & Garnett, P. (2014). Social tipping points and Earth systems dynamics. Frontiers in Environmental Science, 2, Article 35. https://doi.org/10.3389/fenvs.2014.00035

Recently, Early Warning Signals (EWS) have been developed to predict tipping points in Earth Systems. This discussion highlights the potential to apply EWS to human social and economic systems, which may also undergo similar critical transitions. Soc... Read More about Social tipping points and Earth systems dynamics.

Ambitwistor Strings in Four Dimensions (2014)
Journal Article
Geyer, Y., Lipstein, A. E., & Mason, L. (2014). Ambitwistor Strings in Four Dimensions. Physical Review Letters, 113(8), Article 081602. https://doi.org/10.1103/physrevlett.113.081602

We develop ambitwistor string theories for four dimensions to obtain new formulas for tree-level gauge and gravity amplitudes with arbitrary amounts of supersymmetry. Ambitwistor space is the space of complex null geodesics in complexified Minkowski... Read More about Ambitwistor Strings in Four Dimensions.

Non-linear tearing of 3D null point current sheets (2014)
Journal Article
Wyper, P., & Pontin, D. (2014). Non-linear tearing of 3D null point current sheets. Physics of Plasmas, 21(8), Article 082114. https://doi.org/10.1063/1.4893149

The manner in which the rate of magnetic reconnection scales with the Lundquist number in realistic three-dimensional (3D) geometries is still an unsolved problem. It has been demonstrated that in 2D rapid non-linear tearing allows the reconnection r... Read More about Non-linear tearing of 3D null point current sheets.

Entropy current for non-relativistic fluid (2014)
Journal Article
Banerjee, N., Dutta, S., Jain, A., & Roychowdhury, D. (2014). Entropy current for non-relativistic fluid. Journal of High Energy Physics, 2014(8), Article 037. https://doi.org/10.1007/jhep08%282014%29037

We study transport properties of a parity-odd, non-relativistic charged fluid in presence of background electric and magnetic fields. To obtain stress tensor and charged current for the non-relativistic system we start with the most generic relativis... Read More about Entropy current for non-relativistic fluid.

Material models of dark energy (2014)
Journal Article
Pearson, J. A. (2014). Material models of dark energy. Annalen der Physik, 526(7-8), 318-339. https://doi.org/10.1002/andp.201400052

A new class of “dark energy” models is reviewed and developed, in which the relativistic theory of solids is used to construct material models of dark energy. These are models which include the effects of a continuous medium with well defined physica... Read More about Material models of dark energy.

Rasmussen's spectral sequences and the sl_N-concordance invariants (2014)
Journal Article
Lewark, L. (2014). Rasmussen's spectral sequences and the sl_N-concordance invariants. Advances in Mathematics, 260, 59-83. https://doi.org/10.1016/j.aim.2014.04.003

Combining known spectral sequences with a new spectral sequence relating reduced and unreduced slN-homology yields a relationship between the Homflypt-homology of a knot and its slN-concordance invariants. As an application, some of the slN-concordan... Read More about Rasmussen's spectral sequences and the sl_N-concordance invariants.

A Comparison of Real Time Thermal Rating Systems in the U.S. and the UK (2014)
Journal Article
Greenwood, D. M., Gentle, J. P., Myers, K. S., Davison, P. J., West, I. J., Bush, J. W., …Troffaes, M. C. (2014). A Comparison of Real Time Thermal Rating Systems in the U.S. and the UK. IEEE Transactions on Power Delivery, 29(4), 1849-1858. https://doi.org/10.1109/tpwrd.2014.2299068

Real-Time Thermal Rating is a smart grid technology that allows the rating of electrical conductors to be increased based on local weather conditions. Overhead lines are conventionally given a conservative, constant seasonal rating based on seasonal... Read More about A Comparison of Real Time Thermal Rating Systems in the U.S. and the UK.