Microscopic approaches to quantum liquids in confined geometries [[electronic resource] /] / editors, Eckhard Krotscheck, Jesus Navarro

• Pubblicazione: River Edge, N.J., : World Scientific, c2002
• Descrizione fisica: 1 online resource (436 p.)
• Disciplina: 532
• Soggetto topico: Many-body problem; Quantum liquids
• Altri autori: KrotscheckEckhard NavarroJesús <1949->
• Note generali: Description based upon print version of record.
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Contents ; Preface ; Chapter 1 HELIUM LIQUIDS IN CONFINED GEOMETRIES ; 1. Introduction ; 2. General observations on confined and inhomogeneous liquid helium ; 3. Droplets ; 4. Films ; 5. Other systems of recent interest ; 6. Theories ; 7. Conclusions ; References ; Chapter 2 MONTE CARLO SIMULATIONS AT ZERO TEMPERATURE: HELIUM IN ONE, TWO, AND THREE DIMENSIONS1. Monte Carlo methods and condensed helium ; 2. Monte Carlo methods at zero temperature ; 2.1. Variational Monte Carlo ; 2.2. Diffusion Monte Carlo ; 3. Diffusion Monte Carlo in Fermi systems ; 3.1. Fixed node ; 3.2. Released node ; 3.3. Analytic improvement of the trial wave function 3.4. A combined strategy ; 4. Preliminary considerations for a DMC calculation of liquid 4He; 4.1. Inputs and consistency checks in the DMC calculations ; 4.2. Unbiased estimators ; 5. Bulk liquid 4He: ground-state and excitations; 5.1. Equation of state and other ground-state properties ; 5.2. Excited states: phonon-roton spectrum 6. Two-dimensional liquid 4He ; 6.1. Ground-state properties ; 6.2. Vortex excitation ; 7. One-dimensional liquid 4He; 8. Bulk liquid 3He ; 9. Two-dimensional 3He ; 10. Concluding remarks ; References ; Chapter 3 THE FINITE-TEMPERATURE PATH INTEGRAL MONTE CARLO METHOD AND ITS APPLICATION TO SUPERFLUID HELIUM CLUSTERS 1. Introduction ; 2. Theory ; 2.1. General formulation ; 2.2. Density matrix evaluation ; 2.3. Multilevel Metropolis algorithm ; 2.4. Estimators for some physical quantities
• Sommario/riassunto: Quantum liquids in confined geometries exhibit a large variety of new and interesting phenomena. For example, the internal structure of the liquid becomes more pronounced than in bulk liquids when the motion of the particles is restricted by an external matrix. Also, free quantum liquid droplets enable the study of the interaction of atoms and molecules with an external field without complications arising from interactions with container walls. This volume assembles review articles that present the status of frontline research in this field in a manner that makes the material accessible to t
• Titolo autorizzato: Microscopic approaches to quantum liquids in confined geometries
• ISBN: 981-277-847-0
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Lingua di pubblicazione: Inglese
• Record Nr.: 9910784725303321
• Lo trovi qui: Univ. Federico II
• Serie: Series on advances in quantum many-body theory ; ; v. 4.