Stochastic variational approach to quantum-mechanical few-body problems
著者
書誌事項
Stochastic variational approach to quantum-mechanical few-body problems
（Lecture notes in physics, . New series m,
Springer, c1998
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注記
Includes bibliographical references and index
内容説明・目次
内容説明
There countlessnumberof of few area examples quantum mechanical constituent in subnuclear few nucleon quarks bodysystems: physics, or few cluster in nuclear smallatomsandmolecules physics, systems inatomic few electron dots insolidstate or physics quantum physics, Theintricatefeatureofthe isthat etc. few bodysystems theydevelop individual characters thenumber ofconstituent on depending parti cles.Themesonsand the andthe'Li alpha particle baryons, nucleus, theHeatomandtheBeatom have different or very physicalproper ties.Themost ofthesedifferences thecorrelated importantcauses are motion and the Pauli This principle. individuality requires specific for the solution of methods the few body Schr6dinger Ap equation. solutions whichassumerestrictedmodel mean proximate field, spaces, failto describethebehavior ofthe etc. few bodysystems. The ofthisbook is showhow find the the to to and goal energy functionof in unified wave a few particlesystem simple, approach. any The will be intheminimum state. system normally quantum energy As to findthis the is forewarned, however, acom state, groundstate, matter.
The ofthe of plicated development present stage computer makesa technology,however, simpleapproachpossible:Searching very Without forthe state a information ground by "gambling". priori any the true random on states are ground state, completely generated. Providedthattherandom states after series of axe a generalenough, trials findsthe statein Thereader one a ground goodapproximation. findthis little there indeed a but are anumberoffine suspicious may in the trial and which makes the tricks error whole idea procedure reallypracticable. Before the reader with let us bombarding sophisticated details, demonstrate therandom search with an Let us to de example.
目次
Quantum-mechanical few-body problems.- to variational methods.- Stochastic variational method.- Other methods to solve few-body problems.- Variational trial functions.- Matrix elements for spherical Gaussians.- Small atoms and molecules.- Baryon spectroscopy.- Few-body problems in solid state physics.- Nuclear few-body systems.
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