Search Results - "Micolich, A.P."

Authenticating Pollock paintings using fractal geometry by Taylor, R.P., Guzman, R., Martin, T.P., Hall, G.D.R., Micolich, A.P., Jonas, D., Scannell, B.C., Fairbanks, M.S., Marlow, C.A.

“…Jackson Pollock’s paintings are currently valued up to US$75 M, triggering discussions that attributation procedures featuring subjective visual assessments…”
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Is it the boundaries or disorder that dominates electron transport in semiconductor `billiards'? by Micolich, A.P., See, A.M., Scannell, B.C., Marlow, C.A., Martin, T.P., Pilgrim, I., Hamilton, A.R., Linke, H., Taylor, R.P.

“…Semiconductor billiards are often considered as ideal systems for studying dynamical chaos in the quantum mechanical limit. In the traditional picture, once…”
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Integrated bioelectronic proton-gated logic elements utilizing nanoscale patterned Nafion by Gluschke, J G, Seidl, J, Lyttleton, R W, Nguyen, K, Lagier, M, Meyer, F, Krogstrup, P, Nygård, J, Lehmann, S, Mostert, A B, Meredith, P, Micolich, A P

“…A central endeavour in bioelectronics is the development of logic elements to transduce and process ionic to electronic signals. Motivated by this challenge,…”
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A physical explanation for the origin of self-similar magnetoconductance fluctuations in semiconductor billiards by Tench, C.R, Fromhold, T.M, Wilkinson, P.B, Carter, M.J, Taylor, R.P, Micolich, A.P, Newbury, R

“…We report quantum-mechanical calculations which replicate the self-similar magnetoconductance fluctuations observed in recent experiments on semiconductor…”
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Experimental and theoretical investigations of clusters in the magneto-fingerprints of Sinai billiards by Taylor, R.P, Micolich, A.P, Newbury, R, Fromhold, T.M, Dettmann, C, Tench, C.R

“…We describe a gate-defined semiconductor billiard which undergoes an evolution from a square to Sinai geometry. We present experimental and theoretical…”
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(100) GaAs/AlxGa1−xAs heterostructures for Zeeman spin splitting studies of hole quantum wires by Trunov, K., Reuter, D., Ludwig, A., Chen, J.C.H., Klochan, O., Micolich, A.P., Hamilton, A.R., Wieck, A.D.

“…We have developed undoped (100) GaAs/Al0.34Ga0.66As heterostructures, in which a 2D hole system is introduced by a heavily carbon doped field effect gate. We…”
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Crystallographic anisotropy of the Zeeman splitting in 1D hole quantum wires by Klochan, O., Micolich, A.P., Ho, L.H., Hamilton, A.R., Muraki, K., Hirayama, Y.

“…In this work we study the Zeeman splitting in induced ballistic 1D wires fabricated along two orthogonal crystallographic directions [ 2 ¯ 3 3 ] and [ 0 1 1 ¯…”
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Ground-plane screening of Coulomb interactions by a nearby two-dimensional system by Ho, L.H., Micolich, A.P., Hamilton, A.R., Sushkov, O.P.

“…The use of a nearby metallic ground-plane to limit the range of the Coulomb interactions between carriers is a useful approach in studying the physics of…”
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Ballistic induced hole quantum wires fabricated on a (1 0 0)-oriented AlGaAs/GaAs heterostructure by Chen, J.C.H., Klochan, O., Micolich, A.P., Hamilton, A.R., Reuter, D., Wieck, A.D.

“…We have fabricated and studied ballistic one-dimensional hole quantum wires using a high mobility undoped (1 0 0)-oriented AlGaAs/GaAs heterostructure. The…”
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Radio-frequency reflectometry—A fast and sensitive measurement method for two-dimensional systems by Taskinen, L.J., Starrett, R.P., Martin, T.P., Chen, J.C.H., Micolich, A.P., Hamilton, A.R., Simmons, M.Y., Ritchie, D.A., Pepper, M.

“…We have used radio-frequency (rf) reflectometry for sensitive, large bandwidth measurements of two-dimensional (2D) systems in AlGaAs/GaAs heterostructures at…”
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Screening long-range Coulomb interactions in 2D hole systems using a bilayer heterostructure by Ho, L.H., Clarke, W.R., Danneau, R., Klochan, O., Micolich, A.P., Simmons, M.Y., Hamilton, A.R., Pepper, M., Ritchie, D.A.

“…We present a technique for studying the effect of screening long-range Coulomb interactions in a 2D system using a bilayer heterostructure. It allows us to…”
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0.7 Structure and zero bias anomaly in one-dimensional hole systems by Danneau, R., Klochan, O., Clarke, W.R., Ho, L.H., Micolich, A.P., Simmons, M.Y., Hamilton, A.R., Pepper, M., Ritchie, D.A.

“…We report a study of the anomalous conductance plateau around 0.7 ( 2 e 2 / h ) and the zero-bias anomaly in ballistic one-dimensional (1D) hole systems…”
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Metallic behavior in low-disorder two-dimensional hole systems in the presence of long- and short-range disorder by Clarke, W.R., Yasin, C.E., Hamilton, A.R., Micolich, A.P., Simmons, M.Y., Muraki, K., Hirayama, Y., Pepper, M., Ritchie, D.A.

“…We compare directly the metallic behavior of high-quality, two-dimensional hole systems (2DHSs) in two GaAs device structures—one dominated by short-range…”
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Ballistic transport in one-dimensional bilayer hole systems by Danneau, R., Clarke, W.R., Klochan, O., Ho, L.H., Micolich, A.P., Hamilton, A.R., Simmons, M.Y., Pepper, M., Ritchie, D.A.

“…We have studied the ballistic transport properties of a one-dimensional (1D) channel created in a high mobility bilayer 2D hole system formed in a back-gated…”
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Stability of the bilayer ν=1 quantum Hall state under charge imbalance by Clarke, W.R., Micolich, A.P., Hamilton, A.R., Simmons, M.Y., Pepper, M., Ritchie, D.A.

“…We study the stability of the bilayer ν tot=1 quantum Hall (QH) state in a high mobility bilayer hole sample as carriers are transferred from one layer to the…”
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Quantum ratchets act as heat pumps by Linke, H., Humphrey, T.E., Taylor, R.P., Micolich, A.P., Newbury, R.

“…Ratchets are systems that combine local asymmetry with non-equilibrium processes to generate directed particle flow. Recently it was found that in quantum…”
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Geometry-independence of fractal ballistic processes by Taylor, R.P., Martin, T.P., Micolich, A.P., Linke, H., Davies, A.G., Newbury, R., Linfield, E.H.

“…When semiconductor billiards are cooled to milli-Kelvin temperatures to preserve electron wave coherence, quantum interference effects generate reproducible…”
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Self-similar conductance fluctuations in a Sinai billiard with a mixed chaotic phase space by Fromhold, T.M., Tench, C.R., Taylor, R.P., Micolich, A.P., Newbury, R.

“…We have investigated ballistic transport through a sub-micron-sized Sinai billiard fabricated using a high-mobility two-dimensional electron gas. The geometry…”
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Geometry-induced fractal behaviour by Micolich, A.P., Taylor, R.P., Newbury, R., Bird, J.P., Wirtz, R., Fromhold, T.M., Aoyagi, Y., Sugano, T.

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Discrete energy level spectrum dependence of fractal conductance fluctuations in semiconductor billiards by Micolich, A.P, Taylor, R.P, Newbury, R, Bird, J.P, Fromhold, T.M, Davies, A.G, Macks, L.D, Ehlert, A, Linke, H, Tribe, W.R, Linfield, E.H, Ritchie, D.A, Cooper, J, Aoyagi, Y, Wilkinson, P.B

“…We present experimental results demonstrating that fractal conductance fluctuations are remarkably robust to deviations from the semiclassical conduction…”
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