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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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magnetic fields Physics & Astronomy
Magnetic fields Engineering & Materials Science
electron gas Physics & Astronomy
neurons Physics & Astronomy
electrons Physics & Astronomy
superlattices Physics & Astronomy
Electrons Engineering & Materials Science
Two dimensional electron gas Engineering & Materials Science

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Projects 1989 2021

Physiological Feedback
Chronic Disease
Quality of Life
Medicine
Central Pattern Generators

H2020 FET Proactive - CResPace consortium

Nogaret, A.

1/01/17 → …

Project: EU CommissionResearch, Individual grant

Royal Society of New Zealand, Marsden Fund

Nogaret, A.

1/05/16 → …

Project: Research councilResearch

Construction of exact neuron models - sabbatical from the University of Bath

Nogaret, A.

1/02/11 → …

Project: Research-related fundingResearch

EU support for access to High Magnetic Field facilities in Grenoble 2000-now

Nogaret, A.

1/01/98 → …

Project: EU CommissionAwarded Facility Time

Research Output 1992 2018

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, Vol. 2018-May.

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

Open Access
File
Neurons
Specifications
Silicon
Networks (circuits)
Tissue

Dual Mechanism for the Emergence of Synchronization in Inhibitory Neural Networks

Chauhan, A., Taylor, J. & Nogaret, A., 30 Jul 2018, In : Scientific Reports. 2018, 8, 11431.

Research output: Contribution to journalArticle

Open Access
File
Interneurons
Optogenetics
Carisoprodol
Dendrites
Somatostatin
1 Citations

Inhibition Delay Increases Neural Network Capacity through Stirling Transform

Nogaret, A. & King, A., 9 Mar 2018, In : Physical Review E. 97, 3, p. 1-4 4 p., 030301(R).

Research output: Contribution to journalArticle

Open Access
File
Neural Networks
Transform
Associative Memory
Storage Capacity
Asymptotic Formula

Photovoltage detection of Damon-Eshbach and dipolar edge spin waves of nanomagnets with two-dimensional electron gas system

Almulhem, N., Stebliy, M., Nogaret, A., Portal, J-C., Beere, H. & Ritchie, D. A., 6 Aug 2018, In : Japanese Journal of Applied Physics. 57, 09TF01, p. 1-4 4 p., 09TF01.

Research output: Contribution to journalArticle

Spin waves
Two dimensional electron gas
photovoltages
magnons
electron gas

Quantum transport through pairs of edge states of opposite chirality at electric and magnetic boundaries

Mondal, P., Nogaret, A. & Ghosh, S., 11 Sep 2018, In : Physical Review B (Condensed Matter). 98, 10 p., 125303.

Research output: Contribution to journalArticle

Chirality
chirality
conductivity
Backscattering
Wave functions

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