Abstract
In this paper we present an overview of a systematic development of the linear equations of motion for a dynamically correlated wave function that moves beyond the previous theories that include time-dependent pair correlations at most. We argue that these time-dependent pair correlations are insufficient to describe important physical effects in the energy/momentum regime of the 4He roton; minimally, time-dependent three-body correlations are necessary to capture the relevant physics. For simplicity we illustrate this on the problem of atomic impurities in 4He.
Original language | English (US) |
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Pages (from-to) | 4296-4302 |
Number of pages | 7 |
Journal | International Journal of Modern Physics B |
Volume | 22 |
Issue number | 25-26 |
State | Published - Oct 20 2008 |