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κ-deformed covariant quantum phase spaces as Hopf algebroids (CROSBI ID 221161)

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Lukierski, Jerzy ; Škoda, Zoran ; Woronowicz, Mariusz κ-deformed covariant quantum phase spaces as Hopf algebroids // Physics letters. B, 750 (2015), 401-406. doi: 10.1016/j.physletb.2015.09.042

Podaci o odgovornosti

Lukierski, Jerzy ; Škoda, Zoran ; Woronowicz, Mariusz

engleski

κ-deformed covariant quantum phase spaces as Hopf algebroids

We consider the general D=4 (10+10)-dimensional kappa-deformed quantum phase space as given by Heisenberg double $\mathcal{; ; H}; ; $ of D=4 kappa-deformed Poincare-Hopf algebra H. The standard (4+4) -dimensional kappa - deformed covariant quantum phase space spanned by kappa - deformed Minkowski coordinates and commuting momenta generators $({; ; x}; ; _{; ; \mu}; ; , {; ; p}; ; _{; ; \mu }; ; )$ is obtained as the subalgebra of $\mathcal{; ; H}; ; $. We study further the property that Heisenberg double defines particular quantum spaces with Hopf algebroid structure. We calculate by using purely algebraic methods the explicit Hopf algebroid structure of standard kappa - deformed quantum covariant phase space in Majid-Ruegg bicrossproduct basis. The coproducts for Hopf algebroids are not unique, determined modulo the coproduct gauge freedom. Finally we consider the interpretation of the algebraic description of quantum phase spaces as Hopf algebroids.

quantum phase space; Heisenberg double; Hopf algebroid; kappa-Minkowski space; coproduct; gauge freedom

CC BY 4.0 license

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Podaci o izdanju

750

2015.

401-406

objavljeno

0370-2693

10.1016/j.physletb.2015.09.042

Povezanost rada

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Fizika, Matematika

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