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SUMMARY:`Chiral Perturbation Theory at Finite Density'
DTSTART;VALUE=DATE-TIME:20010703T103000Z
DTEND;VALUE=DATE-TIME:20010703T113000Z
DTSTAMP;VALUE=DATE-TIME:20261014T151240Z
UID:indico-event-1246@indico.ific.uv.es
DESCRIPTION:\n\n    The effective chiral SU(2) Lagrangians with external s
 ources are given in the presence of non-vanishing nucleon density by worki
 ng out the contributions from the chiral \\pi N Lagrangians. As a by produ
 ct\, many-particle quantum field theory at zero temperature is directly de
 rived from relativistic quantum field theory. As applications of the previ
 ous formalism we will calculate up to an including next-to-leading order i
 n-medium: quark condensates\, pion propagation\, vector-axial and pseudosc
 alar pion transition amplitudes\, pi^0->\\gamma \\gamma\, pion scattering 
 and discuss the range of validity of the perturbative expansion. The inclu
 sion in the effective field theory of two or more nucleon contact interact
 ions is beyond the scope of the present work.\n\nhttps://indico.ific.uv.es
 /event/1246/
LOCATION:Edf. Institutos de Investigación Sala Seminarios IFIC
URL:https://indico.ific.uv.es/event/1246/
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