Một số vấn đề lí thuyết trường trong đối xứng không thời gian mở rộng

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Gil mi khOng gian H m bit!u ditn t —> ^(t»x) t i c d^^ng trong do pMn tfoh thanb ting t r ^ t i l p oui^ d o khdn^ gian oon K '^ rm hiiu diZn b i t kh5 qui 77 oua n l ^ I^ronta t l o dyng ti^ng a'^ d t h i d e d^ah bsyi o|^> a l t T: * ( ^ Q » ^ | ) # Trong kbfiixg gian oon K '^ ta hay ohotx oa aa ^ I T i lu veoty ri4ng oua toan tu H^« ^^ hqfp oao vaotc^/ ^'^ I tfo thanh cc? ac> oua khdng gian H« L|^... phuOTii,; t r l n h d tt «» 0# iuy nhl^n trong txnio'ng b^jp m y ta phli doi %yLl ph t>xi6 trlnlx h l | p biln dli v ^ d o phlp Jiiln dcii ohSii 1© 1-^ v\ tki^%ch dm tlxd tjL^n 2« Cao phucmg; t r l n h zihu v^y da duqro xeci d t hiw i.)hlp uiln d£i x^ tao dyaig trong aiCu kl^&ng ^:;i e^i d?^ Smg din din cao kSt qua c b f o b d / ^ ^ t e^^ ttij l*a ^ ... o|^> a l t T: * ( ^ Q » ^ | ) # Trong kbfiixg gian oon K '^ ta hay ohotx oa aa ^ I T i lu veoty ri4ng oua toan tu H^« ^^ hqfp oao vaotc^/ ^'^ I tfo cc? ac> oua khdng gian H« L|^ Tur olo h^ thiSo... dlSn i t —-> ^ ( t , x ) nhu' cuu t Gil mi khOng gian H m bit!u ditn t —> ^(t»x) t i c d^^ng pMn tfoh thanb ting t r ^ t i l p oui^ d o khdn^ gian oon K '^ rm hiiu diZn b i t kh5 qui 77 oua n... phticmg phap n«^ l a pUu?p*ng pb£p 6^ ^ihlt oo tho giup t a ^ r§::Le k i t qda oho k;dnii, • thol gian co e l ohilu oao Ehi m mS truopug thLoh phln t&ag IHn oum« a l ohilu) Ikfn xiua« tu h^ qua