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Jsqr

The J2 operator is defined as: J2=m=lm=lσ(34+l(l+1)+2mσ)am,σam,σ+m=lm=ll+m+1lm×(am+1,am,+am,am+1,)+m1,m2=lm1,m2=lσ1,σ2((m1m2+σ1σ2+m1σ2)am1,σ1am2,σ2am1,σ1am2,σ2l+m1+1lm1l+m2+1lm2×am1+1,σ1am2,σ2am1,σ1am2+1,σ2). The equivalent operator in Quanty is created by:

Example.Quanty
OppJsqr = NewOperator("Jsqr", NF, IndexUp, IndexDn)

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