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Transport Phenomena In Strongly Correlated Fermi Liquids
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Book Synopsis Transport Phenomena in Strongly Correlated Fermi Liquids by : Hiroshi Kontani
Download or read book Transport Phenomena in Strongly Correlated Fermi Liquids written by Hiroshi Kontani and published by Springer. This book was released on 2013-02-12 with total page 173 pages. Available in PDF, EPUB and Kindle. Book excerpt: In conventional metals, various transport coefficients are scaled according to the quasiparticle relaxation time, \tau, which implies that the relaxation time approximation (RTA) holds well. However, such a simple scaling does not hold in many strongly correlated electron systems, reflecting their unique electronic states. The most famous example would be cuprate high-Tc superconductors (HTSCs), where almost all the transport coefficients exhibit a significant deviation from the RTA results. To better understand the origin of this discrepancy, we develop a method for calculating various transport coefficients beyond the RTA by employing field theoretical techniques. Near the magnetic quantum critical point, the current vertex correction (CVC), which describes the electron-electron scattering beyond the relaxation time approximation, gives rise to various anomalous transport phenomena. We explain anomalous transport phenomena in cuprate HTSCs and other metals near their magnetic or orbital quantum critical point using a uniform approach. We also discuss spin related transport phenomena in strongly correlated systems. In many d- and f-electron systems, the spin current induced by the spin Hall effect is considerably greater because of the orbital degrees of freedom. This fact attracts much attention due to its potential application in spintronics. We discuss various novel charge, spin and heat transport phenomena in strongly correlated metals.
Book Synopsis Transport Phenomena in Strongly Correlated Fermi Liquids by : Hiroshi Kontani (fysicus.)
Download or read book Transport Phenomena in Strongly Correlated Fermi Liquids written by Hiroshi Kontani (fysicus.) and published by . This book was released on 2013 with total page 173 pages. Available in PDF, EPUB and Kindle. Book excerpt: In conventional metals, various transport coefficients are scaled according to the quasiparticle relaxation time, \tau, which implies that the relaxation time approximation (RTA) holds well. However, such a simple scaling does not hold in many strongly correlated electron systems, reflecting their unique electronic states. The most famous example would be cuprate high-Tc superconductors (HTSCs), where almost all the transport coefficients exhibit a significant deviation from the RTA results. To better understand the origin of this discrepancy, we develop a method for calculating various transport coefficients beyond the RTA by employing field theoretical techniques. Near the magnetic quantum critical point, the current vertex correction (CVC), which describes the electron-electron scattering beyond the relaxation time approximation, gives rise to various anomalous transport phenomena. We explain anomalous transport phenomena in cuprate HTSCs and other metals near their magnetic or orbital quantum critical point using a uniform approach. We also discuss spin related transport phenomena in strongly correlated systems. In many d- and f-electron systems, the spin current induced by the spin Hall effect is considerably greater because of the orbital degrees of freedom. This fact attracts much attention due to its potential application in spintronics. We discuss various novel charge, spin and heat transport phenomena in strongly correlated metals.
Book Synopsis Transport Phenomena in Strongly Correlated Fermi Liquids by : Hiroshi Kontani
Download or read book Transport Phenomena in Strongly Correlated Fermi Liquids written by Hiroshi Kontani and published by Springer. This book was released on 2013-02-11 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: In conventional metals, various transport coefficients are scaled according to the quasiparticle relaxation time, \tau, which implies that the relaxation time approximation (RTA) holds well. However, such a simple scaling does not hold in many strongly correlated electron systems, reflecting their unique electronic states. The most famous example would be cuprate high-Tc superconductors (HTSCs), where almost all the transport coefficients exhibit a significant deviation from the RTA results. To better understand the origin of this discrepancy, we develop a method for calculating various transport coefficients beyond the RTA by employing field theoretical techniques. Near the magnetic quantum critical point, the current vertex correction (CVC), which describes the electron-electron scattering beyond the relaxation time approximation, gives rise to various anomalous transport phenomena. We explain anomalous transport phenomena in cuprate HTSCs and other metals near their magnetic or orbital quantum critical point using a uniform approach. We also discuss spin related transport phenomena in strongly correlated systems. In many d- and f-electron systems, the spin current induced by the spin Hall effect is considerably greater because of the orbital degrees of freedom. This fact attracts much attention due to its potential application in spintronics. We discuss various novel charge, spin and heat transport phenomena in strongly correlated metals.
Book Synopsis Electron Correlation in Metals by : K. Yamada
Download or read book Electron Correlation in Metals written by K. Yamada and published by Cambridge University Press. This book was released on 2010-06-24 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the discovery of high Tc superconductivity, the role of electron correlation on superconductivity has been an important issue in condensed matter physics. Here the role of electron correlation in metals is explained in detail on the basis of the Fermi liquid theory. The book, originally published in 2004, discusses the following issues: enhancements of electronic specific heat and magnetic susceptibility, effects of electron correlation on transport phenomena such as electric resistivity and Hall coefficient, magnetism, Mott transition and unconventional superconductivity. These originate commonly from the Coulomb repulsion between electrons. In particular, superconductivity in strongly correlated electron systems is discussed with a unified point of view. This book is written to explain interesting physics in metals for undergraduate and graduate students and researchers in condensed matter physics.
Book Synopsis Landau Fermi Liquids and Beyond by : V. Tripathi
Download or read book Landau Fermi Liquids and Beyond written by V. Tripathi and published by CRC Press. This book was released on 2018-02-02 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book consolidates the older and more recent concepts on weakly-interacting fermions where traditional many-body techniques are adequate. Targeting primarily the advanced undergraduates and graduates, the author has included plenty of examples and problems from contemporary topics of research.
Book Synopsis Strongly Correlated Fermi Systems by : Miron Amusia
Download or read book Strongly Correlated Fermi Systems written by Miron Amusia and published by Springer Nature. This book was released on 2020-07-16 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the topological fermion condensation quantum phase transition (FCQPT), a phenomenon that reveals the complex behavior of all strongly correlated Fermi systems, such as heavy fermion metals, quantum spin liquids, quasicrystals, and two-dimensional systems, considering these as a new state of matter. The book combines theoretical evaluations with arguments based on experimental grounds demonstrating that the entirety of very different strongly correlated Fermi systems demonstrates a universal behavior induced by FCQPT. In contrast to the conventional quantum phase transition, whose physics in the quantum critical region are dominated by thermal or quantum fluctuations and characterized by the absence of quasiparticles, the physics of a Fermi system near FCQPT are controlled by a system of quasiparticles resembling the Landau quasiparticles. The book discusses the modification of strongly correlated systems under the action of FCQPT, representing the “missing” instability, which paves the way for developing an entirely new approach to condensed matter theory; and presents this physics as a new method for studying many-body objects. Based on the authors’ own theoretical investigations, as well as salient theoretical and experimental studies conducted by others, the book is well suited for both students and researchers in the field of condensed matter physics.
Book Synopsis Electron Correlation in Metals by : Kōsaku Yamada
Download or read book Electron Correlation in Metals written by Kōsaku Yamada and published by . This book was released on 2004 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the discovery of high Tc superconductivity, the role of electron correlation on superconductivity has been an important issue in condensed matter physics. Here the role of electron correlation in metals is explained in detail on the basis of the Fermi liquid theory. The book, originally published in 2004, discusses the following issues: enhancements of electronic specific heat and magnetic susceptibility, effects of electron correlation on transport phenomena such as electric resistivity and Hall coefficient, magnetism, Mott transition and unconventional superconductivity. These originate commonly from the Coulomb repulsion between electrons. In particular, superconductivity in strongly correlated electron systems is discussed with a unified point of view. This book is written to explain interesting physics in metals for undergraduate and graduate students and researchers in condensed matter physics.
Book Synopsis Results on Transport Phenomena of Fluids and Quantum Fermi Liquids by : Nazish Shahid
Download or read book Results on Transport Phenomena of Fluids and Quantum Fermi Liquids written by Nazish Shahid and published by LAP Lambert Academic Publishing. This book was released on 2012 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reflects on methods of determining the exact solutions for the velocity and shear stress corresponding to motion of Oldroyd-B and second grade fluids in different geometric scenarios. Retarded and advanced quantum Green's functions have also been used to derive new forms of kadanoff-Baym equations for a system of interacting particles in Quantum Statistical Mechanics to analyze the question to what extent Landau-Silin kinetic equations for Neutral Fermi liquid take into account quickly varying disturbances. This book introduces new results in the area of fluid dynamics and Quantum Fermi liquids.
Book Synopsis Thermal Transport in Strongly Correlated Rare-Earth Intermetallic Compounds by : Heike Pfau
Download or read book Thermal Transport in Strongly Correlated Rare-Earth Intermetallic Compounds written by Heike Pfau and published by Springer. This book was released on 2016-07-20 with total page 133 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis explores thermal transport in selected rare-earth-based intermetallic compounds to answer questions of great current interest. It also sheds light on the interplay of Kondo physics and Fermi surface changes. By performing thermal conductivity and electrical resistivity measurements at temperatures as low as 25mK, the author demonstrates that the Wiedemann–Franz law, a cornerstone of metal physics, is violated at precisely the magnetic-field-induced quantum critical point of the heavy-fermion metal YbRh2Si2. This first-ever observation of a violation has dramatic consequences, as it implies a breakdown of the quasiparticle picture. Utilizing an innovative technique to measure low-temperature thermal transport isothermally as a function of the magnetic field, the thesis interprets specific, partly newly discovered, high-field transitions in CeRu2Si2 and YbRh2Si2 as Lifshitz transitions related to a change in the Fermi surface. Lastly, by applying this new technique to thermal conductivity measurements of the skutterudite superconductor LaPt4Ge12, the thesis proves that the system is a conventional superconductor with a single energy gap. Thus, it refutes the widespread speculations about unconventional Cooper pairing in this material.
Book Synopsis Lectures on the Physics of Highly Correlated Electron Systems VI by : Ferdinando Mancini
Download or read book Lectures on the Physics of Highly Correlated Electron Systems VI written by Ferdinando Mancini and published by American Inst. of Physics. This book was released on 2002-10-08 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains the lectures and participant contributions delivered at the Sixth Training Course in the Physics of Correlated Electron Systems and High-Tc Superconductors. Different from usual workshops, this course was designed to promote active participation of senior and young researchers and to introduce them to some specific problems. Lecture topics include: Introduction to Renormalization Group and Ward Identities in Critical Phenomena and in Fermi and Bose Liquids; Local Moment Physics in Heavy Electron Systems; and Transport of Strongly Correlated Electrons. Other contributions include: Theoretical de Haas-van Alphen Data and Plasma Frequencies of MgB2 and TaB2; Magnetic and Orbital Ordering in Doped Manganites; A Combined Exact Diagonalization - ab initio Study of the Metallicity and Electron Localization in Nanoscopic Systems; A New Spinwave Expansion for the Ordered Kondo Lattice; and The Novel Superconducting Clathrates.
Book Synopsis Strongly Correlated Fermions and Bosons in Low-Dimensional Disordered Systems by : Igor V. Lerner
Download or read book Strongly Correlated Fermions and Bosons in Low-Dimensional Disordered Systems written by Igor V. Lerner and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 405 pages. Available in PDF, EPUB and Kindle. Book excerpt: The physics of strongly correlated fermions and bosons in a disordered envi ronment and confined geometries is at the focus of intense experimental and theoretical research efforts. Advances in material technology and in low temper ature techniques during the last few years led to the discoveries of new physical of atomic gases and a possible metal phenomena including Bose condensation insulator transition in two-dimensional high mobility electron structures. Situ ations were the electronic system is so dominated by interactions that the old concepts of a Fermi liquid do not necessarily make a good starting point are now routinely achieved. This is particularly true in the theory of low dimensional systems such as carbon nanotubes, or in two dimensional electron gases in high mobility devices where the electrons can form a variety of new structures. In many of these sys tems disorder is an unavoidable complication and lead to a host of rich physical phenomena. This has pushed the forefront of fundamental research in condensed matter towards the edge where the interplay between many-body correlations and quantum interference enhanced by disorder has become the key to the understand ing of novel phenomena.
Book Synopsis Progress in Low Temperature Physics by :
Download or read book Progress in Low Temperature Physics written by and published by Elsevier. This book was released on 2005-11-03 with total page 503 pages. Available in PDF, EPUB and Kindle. Book excerpt: A number of interrelated areas of low temperature physics are brought together in this volume. The four topics are presented as separate chapters. First is the study of the Kibble-Zurek mechanism for defect formation following quench cooling of superfluid 3He and its relation to quantum field theory. Properties of heavy fermion materials are described next with special attention to the competition between magnetism and superconductivity. Some of the newest correlated electron systems are discussed and the arguments for possible unconventional nature of the superconducting order parameter are presented for these systems, including the novel coexistence of ferromagnetism and superconductivity. Highly polarized degenerate Fermi liquids are of substantial interest in many areas of physics. The most complete description of observations of thermodynamic and transport phenomena are reviewed here for the case of polarized liquid 3He obtained by rapid melting from a polarized solid and subsequent rapid refrigeration. Properties of the melting curve of 3He, and the related technique of melting curve thermometry are described in detail. · Superfluid 3He and Quantum Field Theory· Large Scale structure of the Universe· Unconventional Superconductivity· Heavy Fermions· Quantum Phase Transitions· Polarized Fermi Liquids · Rapid Melting· 3He Melting Curve· Low Temperature Thermometry
Book Synopsis Slave Particle Study of the Strongly Correlated Electrons by : Seyyed Mir Abolhassan Vaezi
Download or read book Slave Particle Study of the Strongly Correlated Electrons written by Seyyed Mir Abolhassan Vaezi and published by . This book was released on 2011 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt: Until three decades ago, our understanding of the condensed matter systems were based on two frameworks developed by Russian physicist Lev Landau: his theory of phase transition, and Fermi liquids. The Landau theory of phase transition and the Fermi liquid theory together, can successfully explain a wide range of phenomena from ferromagnetism and antiferromagnetism to the conventional superconductivity. However, in the last thirty years, many experiments including the fractional quantum Hall effect (QHE) have revolutionized our view of nature. For a system of electrons that is subject to a very strong interactions and/or strong correlations between electrons, these two frameworks may break down. There many phases of matter, e.g. spin liquids, that do not break any classical symmetry, but are separated by phase transition. These states has the so called topological order. Also, many of these states do not follow predictions of the Fermi liquid theory and have many exotic behaviors. A rather powerful technique to handle with these issues is the slave particle method. In the first part of this thesis, using a more general slave particle method we study the strongly correlated Hubbard model, whose ground state may represent a Fermi liquid state at two spatial dimensions. We study the phase diagram of this model and show that the gapped spin liquid can be realized on the both honeycomb and square lattices, within mean-field. We also investigate the effective low energy theory of these states. Some of them are subject to compact gauge fluctuations. We study instanton effect in them and show that instanton proliferation can destabilize some of them. Another interesting problem in which we are interested in is the copper based high temperature superconductors (HTSC). The parent state of cuprates materials (undoped case) is a Mott insulator whose ground state is proposed to be a spin liquid. Upon doping, many exotic phases appear, from high temperature superconductivity to the pseudogap phase with disjoint Fermi segments (Fermi arcs) instead of a closed Fermi surface, or the strange metal phase where the Fermi liquid theory breaks down and exhibits very unusual transport properties. The isotope effect in these materials is also very different from that of conventional superconductors. In the second part of this thesis we study the above mentioned problem in detail and explain them by appealing to the slave particle method.
Book Synopsis Journal of the Physical Society of Japan by :
Download or read book Journal of the Physical Society of Japan written by and published by . This book was released on 2007 with total page 666 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physical Phenomena At High Magnetic Fields - Iv by : Gregory S Boebinger
Download or read book Physical Phenomena At High Magnetic Fields - Iv written by Gregory S Boebinger and published by World Scientific. This book was released on 2002-07-01 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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). The success of PPHMF-I, II and III, held in 1991, 1995 and 1998 respectively, encouraged the organizers to once again bring together experts in scientific research areas where high magnetic fields play an important role, to critically assess the current status of research in these areas, and to discuss promising new directions in science, as well as applications which are in the forefront of these fields.
Book Synopsis Theory Of Quantum Liquids by : David Pines
Download or read book Theory Of Quantum Liquids written by David Pines and published by CRC Press. This book was released on 2018-03-09 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is concerned with a single group of quantum liquids, normal Fermi liqztids, discussing the nature of elementary excitations, the central concept of response functions. It is intended as a text for a graduate course in quantum statistical mechanics or low temperature theory.
Book Synopsis Theory of Heavy-Fermion Compounds by : Miron Amusia
Download or read book Theory of Heavy-Fermion Compounds written by Miron Amusia and published by . This book was released on 2014-11-30 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
