Search Results - "Harris, J. W. O."

Observations of the effect of ionization-potential depression in hot dense plasma by Hoarty, D J, Allan, P, James, S F, Brown, C R D, Hobbs, L M R, Hill, M P, Harris, J W O, Morton, J, Brookes, M G, Shepherd, R, Dunn, J, Chen, H, Von Marley, E, Beiersdorfer, P, Chung, H K, Lee, R W, Brown, G, Emig, J

“…The newly commissioned Orion laser system has been used to study dense plasmas created by a combination of short pulse laser heating and compression by laser…”
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Observation of inhibited electron-ion coupling in strongly heated graphite by White, T. G., Vorberger, J., Brown, C. R. D., Crowley, B. J. B., Davis, P., Glenzer, S. H., Harris, J. W. O., Hochhaus, D. C., Le Pape, S., Ma, T., Murphy, C. D., Neumayer, P., Pattison, L. K., Richardson, S., Gericke, D. O., Gregori, G.

“…Creating non-equilibrium states of matter with highly unequal electron and lattice temperatures ( T ele ≠ T ion ) allows unsurpassed insight into the dynamic…”
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Orbital-free density-functional theory simulations of the dynamic structure factor of warm dense aluminum by White, T G, Richardson, S, Crowley, B J B, Pattison, L K, Harris, J W O, Gregori, G

“…Here, we report orbital-free density-functional theory (OF DFT) molecular dynamics simulations of the dynamic ion structure factor of warm solid density…”
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Electron-ion equilibration in ultrafast heated graphite by White, T G, Hartley, N J, Borm, B, Crowley, B J B, Harris, J W O, Hochhaus, D C, Kaempfer, T, Li, K, Neumayer, P, Pattison, L K, Pfeifer, F, Richardson, S, Robinson, A P L, Uschmann, I, Gregori, G

“…We have employed fast electrons produced by intense laser illumination to isochorically heat thermal electrons in solid density carbon to temperatures of…”
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Electron-Ion Equilibration in Ultrafast Heated Graphite by White, T. G., Hartley, N. J., Borm, B., Crowley, B. J. B., Harris, J. W. O., Hochhaus, D. C., Kaempfer, T., Li, K., Neumayer, P., Pattison, L. K., Pfeifer, F., Richardson, S., Robinson, A. P. L., Uschmann, I., Gregori, G.

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On the Optimized Atomic Exchange Potential method and the CASSANDRA opacity code by Jeffery, M., Harris, J.W.O., Hoarty, D.J.

“…The CASSANDRA, average atom, opacity code uses the local density approximation (LDA) to calculate electron exchange interactions and this introduces…”
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The DAVROS opacity code: Detailed term accounting calculations for LTE plasmas by Upcraft, L.M., Jeffery, M., Harris, J.W.O.

“…The radiative opacity of a plasma is a key parameter in understanding a diverse range of high energy density systems including inertial confinement fusion and…”
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The first data from the Orion laser; measurements of the spectrum of hot, dense aluminium by Hoarty, D.J., Allan, P., James, S.F., Brown, C.R.D., Hobbs, L.M.R., Hill, M.P., Harris, J.W.O., Morton, J., Brookes, M.G., Shepherd, R., Dunn, J., Chen, H., Von Marley, E., Beiersdorfer, P., Chung, H.K., Lee, R.W., Brown, G., Emig, J.

“…The newly commissioned Orion laser system has been used to study dense plasmas created by a combination of short pulse laser heating and compression by laser…”
Get full text

Observation of inhibited electron-ion coupling in strongly heated graphite by White, T. G, Vorberger, J, Brown, C. R. D, Crowley, B. J. B, Davis, P, Glenzer, S. H, Harris, J. W. O, Hochhaus, D. C, Pape, S. Le, Ma, T, Murphy, C. D, Neumayer, P, Pattison, L. K, Richardson, S, Gericke, D. O, Gregori, G

“…Sci. Rep. 2, 889 (2012) Creating non-equilibrium states of matter with highly unequal electron and lattice temperatures allows unsurpassed insight into the…”
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Modelling K shell spectra from short pulse heated buried microdot targets by Hoarty, D. J, Sircombe, N., Beiersdorfer, P., Brown, C. R. D, Hill, M.P., Hobbs, L.M R., James, S.F., Morton, J, Hill, E., Jeffery, M., Harris, J.W.O, Shepherd, R., Marley, E., Magee, E., Emig, J., Nilsen, J., Chung, H.K., Lee, R.W., Rose, S.J.

“…K shell X-ray emission measurements have been used to diagnose plasma conditions in short-pulse heated buried microdot targets on the Orion high power laser…”
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Detailed Term Accounting calculations of plasma opacity by Jeffery, M., Upcraft, L.M., Harris, J.W.O., Hoarty, D.J.

“…Radiative opacity is a key parameter to understanding the transport of energy in high energy density plasmas. Many calculations of opacity apply approximations…”
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Measurements of emission spectra from hot, dense germanium plasma in short pulse laser experiments by Hoarty, D.J., James, S.F., Brown, C.R.D., Williams, B.M., Chung, H.K., Harris, J.W.O., Upcraft, L., Crowley, B.J.B., Smith, C.C., Lee, R.W.

“…Heating of thin foil targets by an high power laser at intensities of 10 17–10 19 W/cm 2 has been studied as a method for producing high temperature, high…”
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The calculation of free electron density in Cassandra by Pattison, L.K., Crowley, B.J.B., Harris, J.W.O., Upcraft, L.M.

“…Cassandra is an AWE opacity code used to model plasmas in local thermal equilibrium: there is a desire to expand its use to calculating plasma equations of…”
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A comparison of theory and experiment for high density, high temperature germanium spectra by Harris, J.W.O., Upcraft, L.M., Hoarty, D.J., Crowley, B.J.B., Brown, C.R.D., James, S.F.

“…This paper compares results from theoretical predictions to experimental emission data from germanium obtained on the HELEN laser at AWE. The aim of the…”
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Heating of buried layer targets by 1 ω and 2 ω pulses using the HELEN CPA laser by Hoarty, D.J., James, S.F., Davies, H., Brown, C.R.D., Harris, J.W.O., Smith, C.C., Davidson, S.J., Kerswill, E., Crowley, B.J.B., Rose, S.J.

“…Targets of plastic with a buried layer of aluminium were heated using the HELEN CPA laser to irradiate one surface of the plastic. The emission spectra from…”
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Measurements of niobium absorption spectra in plasmas with nearly full M-shell configurations by Hoarty, D.J., Harris, J.W.O., Graham, P., Davidson, S.J., James, S.F., Crowley, B.J.B., Clark, E.L., Smith, C.C., Upcraft, L.

“…A systematic study has been carried out on the changes in the L-shell absorption structure of niobium as a result of changing the population of the n = 3 shell…”
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