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    Physics » Undergraduate Handbook

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      • PX394 El's in Solids
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        • PX394 (2009-10)
        • PX394 (2010-11)
        • PX394 (2011-12)
          • px394-figures-01_10.pdf
          • px394-figures-11_20.pdf
          • px394-figures-21_30.pdf
          • px394-figures-31_40.pdf
          • px394-figures-41_50.pdf
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    University of Warwick

    PX394 Electrons in Solids 2011-12

    Lecturer:

    Rudolf A. Römer

    Times and Rooms

    • Tuesday 16:00-17:00 in S0.21
    • Thursday 09:00-10:00 in LIB2
    • Friday 15:00-16:00 in L4

    Progress:

    Lecture 1, Jan 10
    0. Motivation, 1. Crystal Structure, 1.5 Quasi-crystals 2. Crystal dynamics
    Lecture 2, Jan 12
    3. Free electrons in metals
    Lecture 3, Jan 13
    3.2 Free electron model
    Lecture 4, Jan 17
    3.3 Transport properties
    Lecture 5, Jan 18
    4. Periodic lattice potentials - energy bands
    Lecture 6, Jan 19
    4.4 The tight-binding approach
    Lecture 7, Jan 24
    4.1 Nearly-free electron theory, 4.2 Metals, Insulators, Semiconductors
    Lecture 8, Jan 26
    4.4 Band Structure Effective Mass, 14. Low-dimensional Systems, 14.2 2DEG
    Lecture 9, Jan 27
    SPECIAL TOPIC: Graphene
    Lecture 10, Jan 31
    14.3 The Quantum Hall Effects (IQHE), Fractional QHE
    Lecture 11, Feb 2
    5. Semiconductors, 5.2 Holes
    Lecture 12, Feb 3
    5.3 Methods of providing electrons and holes
    Lecture 13, Feb 7
    (cont'd) Non-equilibrium carrier densities
    Lecture 14, Feb 9
    6. Semiconductor Devices, 6.2 the p-n junction with zero applied bias
    Lecture 15, Feb 10
    SPECIAL TOPIC: Aharonov-Bohm effects for electrons and excitons
    Lecture 16, Feb 14
    cont'd
    Lecture 17, Feb 16
    6.3 p-n junction with bias, 13. Real metals, 13.2 Fermi surfaces
    Lecture 18, Feb 17
    cont'd, 13.3 Electron dynamics in 3D metals, 13.4 Experimental determination of S
    Lecture 19, Feb 21
    13.5 Why do electrons behave independantly?
    Lecture 20, Feb 22
    7. Dia- and Paramagnetism, 7.1 Introduction
    Lecture 21, Feb 23
    7.2 Paramagnetism
    Lecture 22, Feb 28
    8. Magnetic order, 8.2 Exchange interaction
    Lecture 23, Mar 1
    8.3 Ferromagnetism, Mean-field theory for the Heisenberg model, Critical Phenomena
    Lecture 24, Mar 2
    Macroscopic models of ferromagnetism, 8.A Phenomenological theory of ferromagnetism
    Lecture 25, Mar 6
    SPECIAL TOPIC: Spintronics
    Lecture 26, Mar 8
    Phenomenological theory of ferromagnetism (cont'd)
    Lecture 27, Mar 9
    8.B Solution of the 1D Ising model, 8.C Stoner solution of the Hubbard model
    Lecture 28, Mar 13
    9. Electric properties of insulators, 9.1 Dielectrics
    Lecture 29, Mar 15
    Joint DOS and optical conductivity
    Lecture 30, Mar 16
    Challenges, the future in condensed matter and materials physics

    Examples:

    • Example Sheet 1 (with Solutions)
    • Example Sheet 2 (with Solutions)
    • Example Sheet 3 (with Solutions)
    • Example Sheet 4 (with Solutions)
    • Example Sheet 5 (with Solutions)

    Exams:

    Examination questions from the previous year are here.

    • Exam 2010-11

    The exam and its solutions are available in hardcopy from the UG office.

    Literature:

    Suggested reading:

    • JR Hook and HE Hall, Solid State Physics, Wiley. All figures used from the book are downloadable from the library at this link.
    • L Solymar and D Walsh, Electrical Properties of Solids, Oxford University Press

    Further reading materials:

    • NW Ashcroft and ND Mermin, Solid State Physics, Saunders College

    Internet materials:

    • Math, Physics, and Engineering Applets: http://www.falstad.com/mathphysics.html
    • Periodic Table of Elements http://www.webelements.com/

    Papers and theses as used in the lectures:

    • M.O. Blunt et al., "Random Tiling and Topological Defects in a Two-Dimensional Molecular Network", Science 322, 1077 (2008)
    • B. Weber, S. Mahapatra, H. Ryu, S. Lee, A. Fuhrer, T. C. G. Reusch, D. L. Thompson, W. C. T. Lee, G. Klimeck, L. C. L. Hollenberg, M. Y. Simmons, "Ohm’s Law Survives to the Atomic Scale", Science 355, 64-67 (2012)
    • B. Dora, "Wiedemann-Franz law in the SU(N) Wolff model", Phys. Rev. B 74, 161101(R) (2006)
    • R. Dingle et al., "Quantum States of Confined Carriers in Very Thin AlxGa1-xAs-GaAs-AlxGa1-xAs Heterostructures", Phys. Rev. Lett. 33, 827-830 (1974)
    • L.J. Vasquez et al., "Multifractal analysis of the metal-insulator transition in the 3D Anderson model I: Symmetry relation under typical averaging", Phys. Rev. B 78, 195106-10 (2008)
    • C. Sohrmann, "Interactions in the Integer Quantum Hall Effect", Ph.D. thesis, University of Warwick, August 2007.
    • J. Jain, "The composite Fermion: a quantum particle and its quantum fields", Physics Today, April 2000
    • A. M. Fischer, V. L. Campo Jr., M. E. Portnoi, R. A. Römer, "Exciton storage in a nano-scale Aharonov-Bohm ring with electric field", Phys. Rev. Lett. 102, 096405-4 (2009)
    • C. Villagonzalo, R. A. Römer, M. Schreiber, "Thermoelectric transport properties in disordered systems near the Anderon transition", Eur. Phys. J. B 12, 179-189 (1999).

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    Page contact: Rudolf Roemer Last revised: Fri 11 May 2012
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