Exploring Strongly Interacting Gapless States

Exploring Strongly Interacting Gapless States
Author: Zhehao Dai (Ph. D.)
Publisher:
Total Pages: 161
Release: 2020
Genre:
ISBN:
GET BOOK

Download Exploring Strongly Interacting Gapless States Book in PDF, Epub and Kindle

We study the physical property of pair density wave (PDW) and fluctuating PDW, and use it to build an effective theory of the strongly interacting pseudogap phase in cuprate high temperature superconductors. In Chapter 2, we study how Fulde-Ferrell state, the simplest form of PDW, responds to incident light. The collective motion of the condensate plays a key role; gauge invariance guides us to the correct result. From Chapter 3 to Chapter 7, we construct a pseudogap metallic state by considering quantum fluctuating PDW. We analyze a recent scanning tunneling microscope (STM) discovery of period-8 density waves in the vortex halo of the d-wave superconductor. We put it in the context of the broader pseudogap phenomenology, and compare the experimental results with various PDW-driven models and a charge density wave (CDW) driven model. We propose experiments to distinguish these different models. We present the Bogoliubov bands of PDW. We discuss fluctuating PDW from the general perspective of fluctuating superconductivity. We discuss how Bogoliubov bands evolve when the superconducting order parameter is fluctuating. We compare theoretical predictions with existing experiments on angle-resolved photoemission spectroscopy (ARPES), infrared conductivity, diamagnetism, and lattice symmetry breaking. The material presented here is based on Ref. [38, 41, 40]. Ref. [39] is not discussed in this thesis but was completed during my time at MIT.

Quantum Gas Experiments: Exploring Many-body States

Quantum Gas Experiments: Exploring Many-body States
Author: Paivi Torma
Publisher: World Scientific
Total Pages: 339
Release: 2014-09-16
Genre: Science
ISBN: 1783264772
GET BOOK

Download Quantum Gas Experiments: Exploring Many-body States Book in PDF, Epub and Kindle

Quantum phenomena of many-particle systems are fascinating in their complexity and are consequently not fully understood and largely untapped in terms of practical applications. Ultracold gases provide a unique platform to build up model systems of quantum many-body physics with highly controlled microscopic constituents. In this way, many-body quantum phenomena can be investigated with an unprecedented level of precision, and control and models that cannot be solved with present day computers may be studied using ultracold gases as a quantum simulator.This book addresses the need for a comprehensive description of the most important advanced experimental methods and techniques that have been developed along with the theoretical framework in a clear and applicable format. The focus is on methods that are especially crucial in probing and understanding the many-body nature of the quantum phenomena in ultracold gases and most topics are covered both from a theoretical and experimental viewpoint, with interrelated chapters written by experts from both sides of research.Graduate students and post-doctoral researches working on ultracold gases will benefit from this book, as well as researchers from other fields who wish to gain an overview of the recent fascinating developments in this very dynamically evolving field. Sufficient level of both detailed high level research and a pedagogical approach is maintained throughout the book so as to be of value to those entering the field as well as advanced researchers. Furthermore, both experimentalists and theorists will benefit from the book; close collaboration between the two are continuously driving the field to a very high level and will be strengthened to continue the important progress yet to be made in the field.

Strongly Interacting Matter in Magnetic Fields

Strongly Interacting Matter in Magnetic Fields
Author: Dmitri Kharzeev
Publisher: Springer
Total Pages: 630
Release: 2014-07-08
Genre: Science
ISBN: 3642373054
GET BOOK

Download Strongly Interacting Matter in Magnetic Fields Book in PDF, Epub and Kindle

The physics of strongly interacting matter in an external magnetic field is presently emerging as a topic of great cross-disciplinary interest for particle, nuclear, astro- and condensed matter physicists. It is known that strong magnetic fields are created in heavy ion collisions, an insight that has made it possible to study a variety of surprising and intriguing phenomena that emerge from the interplay of quantum anomalies, the topology of non-Abelian gauge fields, and the magnetic field. In particular, the non-trivial topological configurations of the gluon field induce a non-dissipative electric current in the presence of a magnetic field. These phenomena have led to an extended formulation of relativistic hydrodynamics, called chiral magnetohydrodynamics. Hitherto unexpected applications in condensed matter physics include graphene and topological insulators. Other fields of application include astrophysics, where strong magnetic fields exist in magnetars and pulsars. Last but not least, an important new theoretical tool that will be revisited and which made much of the progress surveyed in this book possible is the holographic principle - the correspondence between quantum field theory and gravity in extra dimensions. Edited and authored by the pioneers and leading experts in this newly emerging field, this book offers a valuable resource for a broad community of physicists and graduate students.

Effective Models for Low-Dimensional Strongly Correlated Systems

Effective Models for Low-Dimensional Strongly Correlated Systems
Author: Ghassan George Batrouni
Publisher: Springer Science & Business Media
Total Pages: 340
Release: 2006-02-23
Genre: Science
ISBN: 9780735403093
GET BOOK

Download Effective Models for Low-Dimensional Strongly Correlated Systems Book in PDF, Epub and Kindle

These proceedings cover the most recent developments in the fields of high temperature superconductivity, magnetic materials and cold atoms in traps. Special emphasis is given to recently developed numerical and analytical methods, such as effective model Hamiltonians, density matrix renormalization group as well as quantum Monte Carlo simulations. Several of the contributions are written by the pioneers of these methods.

Strongly Correlated Fermions and Bosons in Low-Dimensional Disordered Systems

Strongly Correlated Fermions and Bosons in Low-Dimensional Disordered Systems
Author: Igor V. Lerner
Publisher: Springer Science & Business Media
Total Pages: 1200
Release: 2002-07-31
Genre: Science
ISBN: 9781402007491
GET BOOK

Download Strongly Correlated Fermions and Bosons in Low-Dimensional Disordered Systems Book in PDF, Epub and Kindle

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.

Condensed Matter Field Theory

Condensed Matter Field Theory
Author: Alexander Altland
Publisher: Cambridge University Press
Total Pages: 785
Release: 2010-03-11
Genre: Science
ISBN: 0521769752
GET BOOK

Download Condensed Matter Field Theory Book in PDF, Epub and Kindle

This primer is aimed at elevating graduate students of condensed matter theory to a level where they can engage in independent research. Topics covered include second quantisation, path and functional field integration, mean-field theory and collective phenomena.

Understanding Quantum Phase Transitions

Understanding Quantum Phase Transitions
Author: Lincoln Carr
Publisher: CRC Press
Total Pages: 756
Release: 2010-11-02
Genre: Science
ISBN: 1439802610
GET BOOK

Download Understanding Quantum Phase Transitions Book in PDF, Epub and Kindle

Quantum phase transitions (QPTs) offer wonderful examples of the radical macroscopic effects inherent in quantum physics: phase changes between different forms of matter driven by quantum rather than thermal fluctuations, typically at very low temperatures. QPTs provide new insight into outstanding problems such as high-temperature superconductivit

Emergent Phenomena in Correlated Matter

Emergent Phenomena in Correlated Matter
Author: Eva Pavarini
Publisher: Forschungszentrum Jülich
Total Pages: 562
Release: 2013
Genre:
ISBN: 3893368841
GET BOOK

Download Emergent Phenomena in Correlated Matter Book in PDF, Epub and Kindle

Strongly Correlated Fermi Systems

Strongly Correlated Fermi Systems
Author: Miron Amusia
Publisher: Springer Nature
Total Pages: 385
Release: 2020-07-16
Genre: Technology & Engineering
ISBN: 3030503593
GET BOOK

Download Strongly Correlated Fermi Systems Book in PDF, Epub and Kindle

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.

Spectroscopy and Characterization of Nanomaterials and Novel Materials

Spectroscopy and Characterization of Nanomaterials and Novel Materials
Author: Prabhakar Misra
Publisher: John Wiley & Sons
Total Pages: 532
Release: 2022-04-08
Genre: Technology & Engineering
ISBN: 3527833692
GET BOOK

Download Spectroscopy and Characterization of Nanomaterials and Novel Materials Book in PDF, Epub and Kindle

Spectroscopy and Characterization of Nanomaterials and Novel Materials Comprehensive overview of nanomaterial characterization methods and applications from leading researchers in the field In Spectroscopy and Characterization of Nanomaterials and Novel Materials: Experiments, Modeling, Simulations, and Applications, the editor Prabhakar Misra and a team of renowned contributors deliver a practical and up-to-date exploration of the characterization and applications of nanomaterials and other novel materials, including quantum materials and metal clusters. The contributions cover spectroscopic characterization methods for obtaining accurate information on optical, electronic, magnetic, and transport properties of nanomaterials. The book reviews nanomaterial characterization methods with proven relevance to academic and industry research and development teams, and modern methods for the computation of nanomaterials’ structure and properties - including machine-learning approaches - are also explored. Readers will also find descriptions of nanomaterial applications in energy research, optoelectronics, and space science, as well as: A thorough introduction to spectroscopy and characterization of graphitic nanomaterials and metal oxides Comprehensive explorations of simulations of gas separation by adsorption and recent advances in Weyl semimetals and axion insulators Practical discussions of the chemical functionalization of carbon nanotubes and applications to sensors In-depth examinations of micro-Raman imaging of planetary analogs Perfect for physicists, materials scientists, analytical chemists, organic and polymer chemists, and electrical engineers, Spectroscopy and Characterization of Nanomaterials and Novel Materials: Experiments, Modeling, Simulations, and Applications will also earn a place in the libraries of sensor developers and computational physicists and modelers.