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SUMMARY:From few-body to many-body problems
DTSTART;VALUE=DATE-TIME:20110715T063000Z
DTEND;VALUE=DATE-TIME:20110715T064500Z
DTSTAMP;VALUE=DATE-TIME:20240615T141213Z
UID:indico-contribution-5128@events.saip.org.za
DESCRIPTION:Speakers: Mantile Lekala (UNISA)\nProblems involving bound sta
tes of few particles can be solved exactly since the number of degrees of
freedom are small. Several methods in this direction exist. One of these i
s the Integro-differential equation approximation method (IDEA). These few
-body methods have been succesfully applied to obtained bound and scatteri
ng states for three- and four-body problems for nuclear and molecular syst
ems. \n\nOn the other hand\, calculating observables for many-body systems
\, such as Bose-Einstein condensates\, is quite involved. Approximations a
t different levels\, i.e. formalism and numerical\, are necessary. In this
work we show that the IDEA method can be extended to many-body systems vi
a the transformation of the kernel\, and this transformation accelerate co
nvergence quite dramatically. Examples of molecular systems consisting of
particles upto 1000 atoms are handled quite easily. Technical aspects of t
he method are discussed.\n\nhttps://events.saip.org.za/event/7/contributio
ns/5128/
LOCATION: Acro5
URL:https://events.saip.org.za/event/7/contributions/5128/
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