Question

Sketch, on the same graph, the temperature-dependence of both the ground state and excited states particle densities and explain qualitatively the Bose-Einstein condensation

Answer 1

n tt sam graph, tomperatnne. depeudame aud encited ctates partile PTtblem Suketch state th round bo th He BoseEnstõim ( BE ensities aud emplain qualitatnel CEndensatisn Ansuver 1st eniut stati ist enitid tate 1 Grnmd stat. Gnond stat T/T T T Where, Te ^ orit/ tomperatng belno what bozons ty to condense n the grond slātā. Aensiy number bozons Bore - Einten eondensation: Br^- Entein eondensation u a sbt the separate atoms or sualomii panticles tenperature (ok on-273-15°C or here atter tte absotute zero Corled to hear one sinyle quantum enti, whieh be Aeseribed lan me weepmetisn in macrogopie sealo, was predicted by Alhart Enstei -4 S94°), eonlesee imto eam This ormn matter basis oh tte derintio done by $.N Bose cndensation is the t ruurs n k- pace not n co-ordnatā space. cmdensation m the mmantm The B.E Space So, all bozons must hawe a Patieles witt nger pin (0,1,2--.) re callet hr^n. enp phrton (spin 1) whih oaoys B .E seatistis try i esentiel, zero momentm. to So, in cntreme lo tonperalne nupy Sane bsns buy to oalesce nto bngle nmtum state at isest avaitable enersy. bas orny and trupping teeins In 990 mwhich radintim presuns Laser beam corls md ttalired the atn by lviny ttem Catn m 1997 and

isst abnt magneti confinement Single seuper atom. hih zroes B.E eandensatim are endansed into direet nalated m tup remrkaate amlensatin temperatue phenomena, 19 buperzludity Helium otopes 3He nd He orm a at wery low tomperature whih as zero Ln tiquid Whid niction 2) Super Conduetivikz (. materin gives cooper pain electrons hih bohanses ns bosow and eresto and temperature zero elaetriiaj nesistanee by develapiq In L Sme pin bozon lik state witt net zero