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Exact Questions to Some Interesting Answers in Many Body Physics

  • Chapter
Recent Progress in Many-Body Theories

Abstract

In many body physics, we are usually faced with the intractable problem of finding the ground state wavefunction of a thermo dynamic ally large system of interacting particles. Typically this problem is solved perturbatively. That is, we start with some simple noninteracting Hamiltonian and its ground state (e.g. the free Fermi gas) and perturb in the interactions (e.g. the Coulomb potential):

$$Hamiltonian H\to perturbation theory\to ground state \left| \Psi \right\rangle .$$

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Author information

Authors and Affiliations

  1. Department of Physics, University of California at San Diego, La Jolla, CA, 92093-0319, USA

    D. P. Arovas

  2. Department of Physics, Indiana University, Bloomington, IN, 47405, USA

    S. M. Girvin

Authors
  1. D. P. Arovas
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  2. S. M. Girvin
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Editors and Affiliations

  1. Texas A&M University College Station, Texas, USA

    T. L. Ainsworth , B. E. Clements  & E. Krotscheck ,  & 

  2. University of Minnesota Minneapolis, Minneapolis, Minnesota, USA

    C. E. Campbell

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Arovas, D.P., Girvin, S.M. (1992). Exact Questions to Some Interesting Answers in Many Body Physics. In: Ainsworth, T.L., Campbell, C.E., Clements, B.E., Krotscheck, E. (eds) Recent Progress in Many-Body Theories. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-3466-2_21

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  • DOI: https://doi.org/10.1007/978-1-4615-3466-2_21

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  • Online ISBN: 978-1-4615-3466-2

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