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Personal profile

Research interests

My research focuses on the Physics of low-dimensional and nonlinear systems. 

My group investigates two-dimensional electron physics in inhomogeneous magnetic fields and has demonstrated commensurability oscillations in magnetic superlattices, resistance resonance effects, magnetic edge states, electrically induced spin resonance, spin resonance fluoresence, and the crossover between electric and magnetic edges in quantum Hall systems.  We also use two dimensional electron gases as photodetectors of spin excitations in individual nanomagnets.

My other main research interest is driven by the understanding of physical processes which control the emergence of synchronization in local neural networks and the mechanisms of information coding.  To this end my group has developed nonlinear optimization tools which we use to infer the microscopic properties of ion channels from the analysis of macroscopic neuronal activity accessible to measurement.  This approach provides a quantitative method for conditioning small silicon networks which adapt to physiologial feedback in real time.  These devices are proving extremely useful to restore the rhythmic activity lost to disease and to give unique therapies for chronic and often fatal disease.

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Projects

  • H2020 FET Proactive - CResPace consortium

    Nogaret, A.

    1/01/17 → …

    Project: EU Commission

    Royal Society of New Zealand, Marsden Fund

    Nogaret, A.

    1/05/16 → …

    Project: Research council

    Research Output

    Enhancing respiratory sinus arrhythmia increases cardiac output in rats with left ventricular dysfunction

    O'Callaghan, E., Lataro, R. M., Roloff, E., Chauhan, A., Salgado, H. C., Duncan, E. R., Nogaret, A. & Paton, J. F. R., 12 Nov 2019, In : The Journal of Physiology.

    Research output: Contribution to journalArticle

  • 1 Citation (Scopus)

    Optimal solid-state neurons

    Abu Hassan, K., Taylor, J., Morris, P. G., Donati, E., Bortolotto, Z. A., Indiveri, G., Paton, J. & Nogaret, A., 3 Dec 2019, In : Nature Communications. 10, 1, p. 5309 13 p., 5309.

    Research output: Contribution to journalArticle

    Open Access

    Photovoltage detection of spin excitation of ferromagnetic stripe and disk at low temperature

    Almulhem, N., Stebliy, M., Portal, J. C., Samardak, A., Beere, H., Ritchie, D. & Nogaret, A., 6 Dec 2019, (Accepted/In press) In : Japanese Journal of Applied Physics.

    Research output: Contribution to journalArticle

    Open Access

    Deriving optimal silicon neuron circuit specifications using Data Assimilation

    Donati, E., Abu Hassan, K., Nogaret, A. & Indiveri, G., 4 May 2018, 2018 IEEE International Symposium on Circuits and Systems, ISCAS 2018 - Proceedings. IEEE, 8351338

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
    File
  • 65 Downloads (Pure)

    Dual Mechanism for the Emergence of Synchronization in Inhibitory Neural Networks

    Chauhan, A., Taylor, J. & Nogaret, A., 1 Dec 2018, In : Scientific Reports. 8, 1, p. 1-9 9 p., 11431.

    Research output: Contribution to journalArticle

    Open Access
  • 2 Citations (Scopus)
    23 Downloads (Pure)

    Thesis

    Adaptive neurocomputation with spiking semiconductor neurons

    Author: Zhao, L., 5 Jan 2015

    Supervisor: Nogaret, A. (Supervisor)

    Student thesis: Doctoral ThesisPhD

    File

    Development of scalable graphene-based electronics for sensing applications

    Author: Stephenson, J., 27 Jun 2017

    Supervisor: Nogaret, A. (Supervisor) & Johnson, A. (Supervisor)

    Student thesis: Doctoral ThesisMPhil

    File

    Double spin resonance of electrons in snake states

    Author: Saraiva, P., 1 Dec 2010

    Supervisor: Nogaret, A. (Supervisor)

    Student thesis: Doctoral ThesisPhD

    File

    Electrical Properties of Graphite Nanoparticles in Silicone: Flexible Oscillators and Electromechanical Sensing

    Author: Littlejohn, S., 31 Dec 2013

    Supervisor: Nogaret, A. (Supervisor)

    Student thesis: Doctoral ThesisPhD

    File

    Perpendicular Transport and Electromechanical Properties of Graphitic Composites and Multilayers

    Author: Taylor-Harrod, I., 19 Jun 2019

    Supervisor: Takashina, K. (Supervisor) & Nogaret, A. (Supervisor)

    Student thesis: Doctoral ThesisPhD

    File