Get PDF Email Share Share with Facebook Tweet This Post on reddit Share with LinkedIn Add to CiteULike Add to Mendeley Add to BibSonomy Get Citation Copy Citation Text W. E. Parry and Richard R. A. Syms, "Diagrammatic representation of second harmonic generation," Appl. Opt. 27, 3588-3590 (1988) Export Citation BibTex Endnote (RIS) HTML Plain Text Citation alert Save article
Some analytic properties of the single-particle Green functions and proper self-energy parts for a system of interacting bosons at nonzero temperatures are derived. In particular, it is shown how to obtain the analytical continuations of simple functions of the proper self-energy parts, which can be obtained from perturbation theory at an infinite set of points along the imaginary energy axis, to the whole of the complex energy plane. This is useful in determining the poles of the Green functions.
Pause is a voluntary programme for women who have experienced, or are at risk of, repeat removals of children from their care. It aims to reduce the number of children being removed into care by working with women who have had children removed to improve their wellbeing, resilience, and stability. Pause offers women an 18-month, individually-tailored, intensive package of support, delivered by a dedicated Practitioner, which is intended to address a broad range of emotional, psychological, practical, and behavioural needs. As a condition of beginning this voluntary programme, women agree
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