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Andrew Fisher | London Centre for Nanotechnology

Prof Andrew Fisher

Professor of Physics
tel: +44 (0)20 7679 1378
ext: 31378
fax: +44 (0)20 7679 0595
office:

5C3

Biography:

  • 1986: BA, University of Cambridge
  • 1989: DPhil, University of Oxford
  • 1989-1993: Junior Research Fellow, St John's College, Oxford
  • 1991-1992: Royal Society Postdoctoral Fellow, IBM Zurich Research Laboratory
  • 1993-1995: Lecturer, Department of Physics, University of Durham
  • 1995-present: Lecturer, Reader, and Professor of Physics, UCL
  • 2006-present: Principal Investigator, London Centre for Nanotechnology

 
PGP key: 7136EA3E

Memberships : 

Institute of Physics (Fellow)

American Physical Society (Fellow)

Thomas Young Centre - the London Centre for the Theory and Simulation of Materials

Research: 
  • Understanding coherent spin dynamics in rare-earth spin systems (with Gabriel Aeppli and others)
  • The theory of quantum entanglement, especially in condensed-phase systems;
  • Theory of quantum information processing and decoherence (with Sougato Bose, Ahsan Nazir, Alessio Serafini and others);
  • The theory of electrical conduction through molecules and nanostructures, especially inelastic and local heating effects (with David Bowler, Andrew Horsfield and others);
  • Theory of scanning tunnelling microscopy, especially IETS (Inelastic Electron Tunnelling Spectroscopy - with Werner Hofer and Geoff Thornton) and spin-dependent spectroscopy (with Cyrus Hirjibehedin).

I have wide research interests in theoretical nanoscience. I am particularly interested in the impact of quantum mechanics on the dynamics of nanostructures – for example, the flips of small clusters of spins, or the flow of current-carrying electrons though a molecule or an atomic-scale wire – and the extent to which interactions with other degrees of freedom can modify or damp out these quantum mechanical effects. The consequences of this work range from quite applied questions – how could one use quantum mechanics to process information, or make a transistor from a single molecule?– to rather fundamental ones – what is the macroscopic limit of quantum mechanics? I use a mixture of analytical and computational techniques and I like to work closely with experimentalists; several of my research students and postdoctoral research fellows are closely involved with experimental projects.

Research Group

I work with a number of LCN members, including the following research fellows and students:

In addition I am second supervisor to Ben Warner, Jenny Oberg and Marc Warner.

Recent publications

ISI Researcher ID A-4723-2012; google scholar researcher page

  • H. C. Lin and A. J. Fisher, "Local entanglement of multidimensional continuous-variable systems," Phys. Rev. A 78 (1), 11 (2008).
  • W. Wu and A. J. Fisher, "Exchange between deep donors in semiconductors: A quantum defect approach," Phys. Rev. B 77 (4), 11 (2008).
  • W. Wu, A. Kerridge, A. H. Harker et al., "Structure-dependent exchange in the organic magnets Cu(II)Pc and Mn(II)Pc," Phys. Rev. B 77 (18), 12 (2008).
  • G. Teobaldi, N. S. Beglitis, A. J. Fisher et al., "Hydroxyl vacancies in single-walled aluminosilicate and aluminogermanate nanotubes," J. Phys.-Condes. Matter 21 (19), 9 (2009).
  • Long-lived spin entanglement induced by a spatially correlated thermal bath. D.P.S. McCutcheon, A. Nazir, S. Bose, and A. J. Fisher. Phys. Rev. A 80 022337 (2009). doi:10.1103/PhysRevA.80.022337
  • Electron traps and their effect on the surface chemistry of TiO2(110). A.C. Papageorgiou, N.S. Beglitis, Chi L. Pang, G. Teobaldi, G. Cabailh, Qiao Chen, A.J. Fisher, W.A. Hofer and G. Thornton. Proc. Nat. Acad. Sci. (USA) 107 2391-2396 (2010).
  • Separation-dependent localization in a two-impurity spin-boson model. Dara P. S. McCutcheon, Ahsan Nazir, Sougato Bose, and A.J. Fisher. Physical Review B 81 235321 (2010) 10.1103/PhysRevB.81.235321;
  • Ultralong copper phthalocyanine nanowires with new crystal structure and broad optical absorption. Hai Wang, Soumaya Mauthoor, Salahud Din, Jules A. Gardener, Rio Chang, Marc Warner, Gabriel Aeppli, David W. McComb, Mary P. Ryan, Wei Wu, A. J. Fisher, A.M. Stoneham and Sandrine Heutz. ACS Nano 4 3921-3926 (2010). 10.1021/nn100782w
  • Analog of Rabi oscillations in resonant electron-ion systems. L. Stella et al. Journal of Chemical Physics 134 (2011) DOI: 10.1063/1.3589165
  • A multiconfigurational time-dependent Hartree-Fock method for excited electronic states. I. General formalism and application to open-shell states. R.P. Miranda et al. Journal of Chemical Physics 134 (2011) DOI: 10.1063/1.3600397
  • A multiconfigurational time-dependent Hartree-Fock method for excited electronic states. I. General formalism and application to open-shell states. R.P. Miranda et al. Journal of Chemical Physics 134 (2011) DOI: 10.1063/1.3600397

Research Highlights

Magnetism in a molecular thin film traditionally used in plastic electronics survives at temperatures reaching up to 100K,...
Phthalocyanine thin film on a flexible plastic substrate
A common blue pigment could have an important role to play in the development of a quantum computer, according to a paper...
Novel flexible, lightweight and low cost “plastic” electronics, including OLEDs and organic solar cells, rely on...
SEM image of nanowires
The small molecule copper phthalocyanine (CuPc) is a well-known industrial pigment used to give blue colours to a range of...
Scientists at the London Centre for Nanotechnology and Liverpool University have used a combination of nanoscale techniques...
Teaching: 

I lecture the undergraduate courses PHAS1247 Classical Mechanics and (part of) PHAS1423 Modern Physics, Astronomy and Cosmology in the UCL Department of Physics and Astronomy. I also coordinate the information systems within the LCN.

General News

The prestigious Provost’s Teaching Awards celebrates those staff who have shown particular commitment to innovation in teaching and whose work has had significant impact on students. LCN member Professor Andrew Fisher was one of 6 members of staff selected from the Experienced Academic Staff...
Dr Tim Albrecht of the London Centre for Nanotechnology and his colleagues Prof. Nicholas Long (Imperial), Prof. Andrew Fisher and Dr Cyrus Hirjibehedin (both UCL/LCN) have been awarded a three-year Research Project from the Leverhulme Trust for research into molecular electronic and spintronic...