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Thursday, April 23, 2020 | History

2 edition of De-Haas van-Alphen effect in the quantum limit found in the catalog.

De-Haas van-Alphen effect in the quantum limit

Joseph J. Karniewicz

De-Haas van-Alphen effect in the quantum limit

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  • 37 Currently reading

Published .
Written in English

    Subjects:
  • Quantum theory.

  • Edition Notes

    Other titlesQuantum limit.
    Statementby Joseph J. Karniewicz.
    The Physical Object
    Pagination[6], 114 leaves, bound :
    Number of Pages114
    ID Numbers
    Open LibraryOL14225008M

    @article{osti_, title = {Anisotropic electronic and magnetic properties of the quasi-two-dimensional heavy-fermion antiferromagnet CeRhIn{sub 5}}, author = {Cornelius, A. L. and Arko, A. J. and Sarrao, J. L. and Hundley, M. F. and Fisk, Z.}, abstractNote = {We have used high pulsed magnetic fields to 50 T to observe de Haas--van Alphen. "The object of this textbook is to present the central principles of the quantum theory of solids to theoretical physicists generally and to those experimental solid state physicists who have had a one year course in quantum mechanics This book contains problems and is a textbook; it is not a history of the development of the subject. Proceedings of Physical Phenomena at High Magnetic Fields-IV: Santa Fe, New Mexico, USA, October [G Boebinger;] -- Physical Phenomena at High Magnetic Fields IV (PPHMF-IV) was the fourth in the series of conferences sponsored by the National High Magnetic Field Laboratory (NHMFL).


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De-Haas van-Alphen effect in the quantum limit by Joseph J. Karniewicz Download PDF EPUB FB2

In this work we apply the finite temperature formulation of quantum statistical mechanics to an analysis of the de Haas-van Alphen effect in the quantum limit. A new expression is derived for the differential magnetic susceptibility which clearly shows the individual contributions of zero-temperature and non-zero temperature : Joseph J.

Karniewicz. The de Haas–van Alphen oscillations Since we are mainly concerned with the effect of a ferromagnetic quantum critical point, we can restrict our attention to the low electron density limit.

In this limit and in the presence of a magnetic field H, a system of electrons will traverse Landau : Peter S. Riseborough. De-Haas van-Alphen effect in the quantum limit. Abstract. Graduation date: In this work we apply the finite temperature formulation of quantum\ud statistical mechanics to an analysis of the de Haas-van Alphen effect\ud in the quantum limit.

A new expression is derived for the differential\ud magnetic susceptibility which clearly shows. Soon experiments on InAs (6,7) followed, and to the present the Shubnikov-de Haas effect has been found in more than a dozen semiconductors. At the end of the ’s the first quantitative theories were offered (8–10) which showed much similarity with the theory of the de Haas-Van Alphen by: 3.

de Haas–van Alphen effect in Fe 3 Sn 2. Measurement of the magnetic torque τ for Fe 3 Sn 2 up to 65 T for two different angles θ 1 = 15° and 60° (see Fig.

1b) is shown in Fig. 1c for the Cited by: 3. The oscillatory magnetisation (de Haas-van Alphen effect) of a free electron gas at T=0 can be expressed explicitly as the sum over p of terms proportional to (p+x) 1 2/, where p is an integer going from 0 to n (the quantum number of the highest occupied Landau tube) and x is the oscillation phase (0).

This summation is evaluated by the Euler-Maclaurin formula and the result provides a simple Cited by: 3. Since its discovery inthe de Haas-van Alphen {dHvA) effect has become one of the most powerful tools available to Fermiologists for determining the r shape of Fermi surfaces.

In simplest terms, the phenomenon is a I variation of the magnetic susceptibility which is Cited by: 1. Phase diagram of bismuth in the extreme quantum limit an intensive study of the angular dependence of the de Haas–van Alphen effect in Cited by: The de Haas-van Alphen (dHvA) effect is an oscillatory variation of the diamagnetic susceptibility as a function of a magnetic field strength (B).

The method provides details. Of specific interest is the nature of the Shubnikov–de Haas (SdH) and de Haas–van Alphen (dHvA) oscillations in high magnetic fields.

Here the near quantum limit is realized in these materials at 30 T and K, since hω c is of order 20 K for an effective mass of 2 m by: 1. The de Haas-van Alphen effect in the magnetic susceptibility of graphite has been interpreted by applying the susceptibility formula for general bands.

Measuring FS using the de Haas-van Alphen effect In a high magnetic field, the magnetization M of a crystal oscillates as the magnetic field increases (dHvA effect, ) Similar oscillatons are observed in other physical quantities Eg., magnetoresistivity (Shubnikov-de Haas effect, ), specific heat, sound attenuation etc.

In illustrating examples of e.g. the de Haas-van Alphen effect, the book focuses on recent experimental data, showing that the field is a vibrant and exciting one. References to many recent review articles are provided, so that the student can conduct research into a chosen topic at a.

SOLID STATE PHYSICS - Fall Why thermodynmic quantities oscillate. e.g. in the De Haas van Alphen effect - / pdf file/ The Quantum Hall Effect (QHE): in the simple problems - / pdf file/ Lecture 17 - Topological Insulators (take 1) / pdf file/ Quantum Hall effect and Topology (Physics Today Article).

De Haas-van Alphen Effect. A powerful technique for measuring the Fermi Surface is based on the de Haas-van Alphen effect discovered by de Hass and van Alphen in In this effect, the magnetization, normalized by the applied field, of a sample of bismuth was found to oscillate with HFile Size: KB.

Shubnikov-de Haas oscillations can be used to map the Fermi surface of electrons in a sample, by determining the periods of oscillation for various applied field directions. Related physical process. The effect is related to the de Haas–van Alphen effect, which is the.

The de Haas-van Alphen effect and related quantum oscillation measurements are powerful tools for studying the behaviour of electron Oscillating Nernst-Ettingshausen effect in bismuth across the quantum limit. Phys. Rev. Lett. 98 Julian S.R.

() Quantum Oscillation Measurements Applied to Strongly Correlated Electron Systems. Author: Stephen R. Julian. We focus on the magnetic field and temperature dependence of the analogue of the de Haas-van Alphen effect in two- and three-dimensions.

At temperatures above the effective cyclotron energy, the magnetization oscillations behave similarly to those of an ordinary metal, albeit in a field of a strength that differs from the physical magnetic by: texts All Books All Texts latest This Just In Smithsonian Libraries FEDLINK (US) Genealogy Lincoln Collection.

National Emergency Library. Top American Libraries Canadian Libraries Universal Library Community Texts Project Gutenberg Biodiversity Heritage Library Children's Library. Open Library. Books. Publishing Support. Login. Reset your password. If you have a user account, you will need to reset your password the next time you login.

You will only need to do this once. Find out more. IOPscience login / Sign Up. Please note:Cited by: 5. In frame of general stastical mechanics approach applied to 2D metal bar we demonstrate the interrelationship between Landau diamagnetism, de Haas-van Alphen.

Quantum oscillations refer to the oscillatory behavior of transport and thermodynamic quantities as a function of the applied magnetic field B in metals and semimetals. The primary examples are the Shubnikov–de Haas (SdH) oscillations in the magnetoresistance R(B) [] and the de Haas–Van Alphen effect in magnetization [], both originally discovered in bulk single crystals of Bi in Author: Ziqiang Wang.

De Haas–van Alphen effect explained. The de Haas–van Alphen effect, often abbreviated to dHvA, is a quantum mechanical effect in which the magnetic susceptibility of a pure metal crystal oscillates as the intensity of the magnetic field B is increased. Other quantities also oscillate, such as the electrical resistivity (Shubnikov–de Haas effect), specific heat, and sound attenuation and.

We report highly sensitive de Haas-van Alphen (dHvA) effect measurements on a high-mobility two-dimensional electron system in an AlAs quantum well. Here two valleys are occupied forming a pseudospin system. At mK, the dHvA effect shows pronounced oscillations at filling factors nu=1 to four.

In the quantum limit at nu=1 the data are consistent with an interaction-enhanced valley splitting Cited by: 1. The effect of the magnetic breakdown on the dHvA oscillation is studied by full-quantum numerical calculation for a two-dimensional model.

We demonstrate that the interference difference oscillation, usually designated as β-α, exists even in the thermodynamic quantity; this result is contrary to the conventional semi-classical by: Abstract We have developed techniques which enable us to extract Dingle temperatures (quasi-particle scattering rates) from the shape of single quantum oscillations of the magnetization (de Haas-van Alphen effect) near the quantum limit.

The Landau spectrum of bismuth is complex and includes many angle-dependent lines in the extreme quantum limit. The adequacy of single-particle theory to describe this spectrum in detail has been an open issue. In particular, studies of de Haas–van Alphen effect and Shubnikov–de Haas effects led to a precise determination of the Cited by: The magnetization per electron at zero temperature in the quantum limit in trivial metals saturates to a field-independent value, that of a Dirac system becomes strongly angle dependent as, yet in the Weyl case the magnetization of the conduction electrons vanishes, M n=0 = by: Shubnikov-de Haas oscillations What are Shubnikov-de Haas oscillations.

The Shubnikov-de Haas oscillations are oscillations of the resistivity parallel to the current ow in the edge states of a 2DEG (2-dimensional electron gas) in an applied magnetic eld. Therefore they are related to the Quantum File Size: KB. II. Charge transport and nanoelectronics.

Quantum Hall Effect: 2D electron gas (2DEG) in magnetic field, Landau levels, de Haas-van Alphen and Shubnikov-de Haas Effects, integer and fractional quantum Hall effects, Spin Hall Effect. de-Haas van-Alphen Effect in the Quantum Limit I.

INTRODUCTION An oscillatory dependence of the magnetic susceptibility of an electron gas with the applied magnetic field was first predicted under certain conditions by L.D. Landau(1) This effect was observed under. This book contains advanced subjects in solid state physics with emphasis on the theoretical exposition of various physical phenomena in solids using quantum theory, hence entitled “A modern course in the quantum theory of solids”.

including the de Haas-van Alphen effect, the photoelectric effect, the cyclotron resonance, the ultrasonic.

Abstract. In this paper, we report quantum oscillation studies on the Bi 2 Te 3-x S x topological insulator single crystals in pulsed magnetic fields up to 91 T.

For the x = sample with the lowest bulk carrier density, the surface and bulk quantum oscillations can be disentangled by combined Shubnikov–de Haas and de Hass–van Alphen oscillations, as well as quantum oscillations in Author: Zhang, Zuocheng.

Finally, the book includes discussions on lasers, nanotechnology and the basic principles of fibre optics and holography. Some new topics like cellular method, quantum Hall effect, de Haas van Alphen effect, Pauli paramagnetism and semiconductor laser have been added in the present edition of the book to make it more useful for the students.

The de Haas–van Alphen (dHvA) effect in the cluster superconductor ZrB B12 was studied by magnetic torque measure-ments in magnetic fields up to 28 T at temperatures down to K. The dHvA oscillations due to orbits from the Neck sections and “cubic box” of the Fermi surface were detected.

Some recent 'hot topics' in research are covered, e.g. the fractional Quantum Hall Effect and nano-devices, which can be understood using the techniques developed in the book.

In illustrating examples of e.g. the de Haas-van Alphen effect, the book focuses on recent experimental data, showing that the field is a vibrant and exciting one.

The broadening of the Landau levels in a pure metal (which leads to a Dingle temperature in the de Haas-van Alphen effect) is probably mainly due to small angle scattering of electrons by extended defects. Simple intuitive arguments suggest that the broadening (and therefore the effective Dingle temperature) should become smaller as the magnetic field is increased into the region of the Cited by: 3.

Some new topics like cellular method, quantum Hall effect, de Haas van Alphen effect, Pauli paramagnetism and semiconductor laser have been added to this book is designed to meet the requirements of undergraduate and postgraduate students of physics for their courses in solid state physics, condensed matter physics and material 5/5(2).

The quantum oscillations of the critical temperature, the order parameter's amplitude and the magnetization (de Haas-van Alphen effect) in the mixed state are found. The limitation of validity of a mean field approach due to critical fluctuations (Ginzburg criterion) for the phase transition under consideration is t: 13 pages Author: V.

Mineev. CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): We study the de-Haas van Alphen oscillations in the magnetization of the Hofstadter model. Near a split band the magnetization is a rapidly oscillating function of the Fermi energy with lip shaped envelopes.

For generic magnetic fields this structure appears on all scales and provides a thermodynamic fingerprint of. In illustrating examples of e.g.

the de Haas-van Alphen effect, the book focuses on recent experimental data, showing that the field is a vibrant and exciting one. References to many recent review articles are provided, so that the student can conduct research into a chosen topic at a deeper level.CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): We study the de-Haas van Alphen oscillations in the magnetization of the Hofstadter model.

Near a split band the magnetization is a rapidly oscillations function of the Fermi energy with lip shaped envelopes. For generic magnetic fields this structure appears on all scales and provides a thermodynamic fingerprint of.The levels are used to calculate de Haas-van Alphen frequency, cyclotron resonance mass, Landau level spin splitting, quantum limit shifts, magnetoreflection, and high and low field magnetization.

Very good agreement with these experiments is obtained and the 14 most important band parameters are : K. H. Choi.