Titlebook: Many-Body Problems and Quantum Field Theory; An Introduction Philippe A. Martin,Fran?ois Rothen Textbook 20021st edition Springer-Verlag Be

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Perturbative Methods in Many-Body Problems,man diagrams, can equally be applied to many-body problems. We limit ourselves here to the principal ideas and several applications. The appropriate quantities submitted to perturbative calculations are called the Green functions of the many-body problem. They generalize, in a natural mariner, the c

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Philippe A. Martin,Fran?ois Rothenimportant treatment goal in patients with RA or PsA. High self-rated pain is linked to elevated fear-avoidance beliefs for engaging in physical activity. Some research has demonstrated that when people’s attitudes and beliefs towards pain are negative, they often have elevated levels of body awarene

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Philippe A. Martin,Fran?ois Rotheng, while providing a more thorough understanding and adequate management of on-going suffering in the context of chronic pain and other major illnesses. Historical and contemporary references from philosophy, medicine, and science explain why, to date, there is no golden rule or consensual definitio

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Philippe A. Martin,Fran?ois Rothenonals can profoundly influence the meaning patients and their families attribute to pain experience. Patients with chronic pain may feel discredited and called into question by skeptical medical professionals. Patients may have to fight to receive entitled care and to suggest suitable treatments. To